diff --git a/lib/rspec/openapi/schema_builder.rb b/lib/rspec/openapi/schema_builder.rb
index 5a1c006c..b86fca81 100644
--- a/lib/rspec/openapi/schema_builder.rb
+++ b/lib/rspec/openapi/schema_builder.rb
@@ -270,22 +270,38 @@ def build_array_items_schema(array, record: nil)
       elsif property_variations.size == 1
         merged_schema[:properties][key] = property_variations.first.dup
       else
-        unique_types = property_variations.map { |p| p[:type] }.compact.uniq
+        has_one_of = property_variations.any? { |p| p.key?(:oneOf) }
+
+        if has_one_of
+          all_options = []
+          property_variations.each do |prop|
+            clean_prop = prop.reject { |k, _| k == :nullable }
+            if clean_prop.key?(:oneOf)
+              all_options.concat(clean_prop[:oneOf])
+            else
+              all_options << clean_prop unless clean_prop.empty?
+            end
+          end
 
-        if unique_types.size > 1
-          # Different types detected - create oneOf
-          unique_props = property_variations.map { |p| p.reject { |k, _| k == :nullable } }.uniq
-          merged_schema[:properties][key] = { oneOf: unique_props }
+          all_options.uniq!
+          merged_schema[:properties][key] = { oneOf: all_options }
         else
-          case unique_types.first
-          when 'array'
-            merged_schema[:properties][key] = { type: 'array' }
-            items_variations = property_variations.map { |p| p[:items] }.compact
-            merged_schema[:properties][key][:items] = build_merged_schema_from_variations(items_variations)
-          when 'object'
-            merged_schema[:properties][key] = build_merged_schema_from_variations(property_variations)
+          unique_types = property_variations.map { |p| p[:type] }.compact.uniq
+
+          if unique_types.size > 1
+            unique_props = property_variations.map { |p| p.reject { |k, _| k == :nullable } }.uniq
+            merged_schema[:properties][key] = { oneOf: unique_props }
           else
-            merged_schema[:properties][key] = property_variations.first.dup
+            case unique_types.first
+            when 'array'
+              merged_schema[:properties][key] = { type: 'array' }
+              items_variations = property_variations.map { |p| p[:items] }.compact
+              merged_schema[:properties][key][:items] = build_merged_schema_from_variations(items_variations)
+            when 'object'
+              merged_schema[:properties][key] = build_merged_schema_from_variations(property_variations)
+            else
+              merged_schema[:properties][key] = property_variations.first.dup
+            end
           end
         end
       end
@@ -324,8 +340,21 @@ def build_merged_schema_from_variations(variations)
           merged[:properties][key][:nullable] = true if has_nullable
         elsif prop_variations.size > 1
           prop_types = prop_variations.map { |p| p[:type] }.compact.uniq
-
-          if prop_types.size == 1
+          has_one_of = prop_variations.any? { |p| p.key?(:oneOf) }
+
+          if has_one_of
+            all_options = []
+            prop_variations.each do |prop|
+              clean_prop = prop.reject { |k, _| k == :nullable }
+              if clean_prop.key?(:oneOf)
+                all_options.concat(clean_prop[:oneOf])
+              else
+                all_options << clean_prop unless clean_prop.empty?
+              end
+            end
+            all_options.uniq!
+            merged[:properties][key] = { oneOf: all_options }
+          elsif prop_types.size == 1
             # Only recursively merge if it's an object type
             merged[:properties][key] = if prop_types.first == 'object'
                                          build_merged_schema_from_variations(prop_variations)
diff --git a/spec/apps/hanami/app/actions/array_hashes/mixed_types_nested.rb b/spec/apps/hanami/app/actions/array_hashes/mixed_types_nested.rb
index 43ed6d83..3ade7746 100644
--- a/spec/apps/hanami/app/actions/array_hashes/mixed_types_nested.rb
+++ b/spec/apps/hanami/app/actions/array_hashes/mixed_types_nested.rb
@@ -43,7 +43,26 @@ def handle(request, response)
                   "ssl" => true
                 },
                 "form" => nil
-              }
+              },
+              {
+                "id" => 3,
+                "config" => {
+                  "port" => "9010",
+                  "host" => "foo.example.com",
+                  "ssl" => true
+                },
+                "form" => [
+                  {
+                    "value" => false,
+                  },
+                  {
+                    "value" => ['First', 'Second'],
+                  },
+                  {
+                    "value" => 3,
+                  },
+                ]
+              },
             ]
           }.to_json
         end
diff --git a/spec/apps/hanami/app/actions/array_hashes/multiple_one_of_test.rb b/spec/apps/hanami/app/actions/array_hashes/multiple_one_of_test.rb
new file mode 100644
index 00000000..b3db04a6
--- /dev/null
+++ b/spec/apps/hanami/app/actions/array_hashes/multiple_one_of_test.rb
@@ -0,0 +1,105 @@
+# frozen_string_literal: true
+
+module HanamiTest
+  module Actions
+    module ArrayHashes
+      class MultipleOneOfTest < HanamiTest::Action
+        def handle(request, response)
+          response.format = :json
+
+          response.body = {
+            "data" => {
+              "form" => [
+                {
+                  "inputs" => [
+                    {
+                      "value" => 'John Doe',
+                    },
+                    {
+                      "value" =>
+                        'some_email_123@someone.com',
+                    },
+                    {
+                      "value" => 'In progress',
+                    },
+                    {
+                      "value" => '2025-12-11T06:25:20.770+00:00',
+                    },
+                  ],
+                },
+                {
+                  "inputs" => [
+                    {
+                      "value" => nil,
+                    },
+                    {
+                      "value" => 'user_1',
+                    },
+                    {
+                      "value" => 'user_2',
+                    },
+                  ],
+                },
+                {
+                  "inputs" => [
+                    {
+                      "value" => false,
+                    },
+                    {
+                      "value" => 'Some organisation',
+                    },
+                    {
+                      "value" => 'organisation_1',
+                    },
+                    {
+                      "value" => [
+                        'organisation_1',
+                        'organisation_2',
+                        'organisation_3',
+                      ],
+                    },
+                  ],
+                },
+                {
+                  "inputs" => [
+                    {
+                      "value" => 'Initialized',
+                    },
+                    {
+                      "value" => 'Initialized',
+                    },
+                    {
+                      "value" => 'Initialized',
+                    },
+                    {
+                      "value" => 'Initialized',
+                    },
+                    {
+                      "value" => nil,
+                    },
+                  ],
+                },
+                {
+                  "inputs" => [
+                    {
+                      "value" => nil,
+                    },
+                    {
+                      "value" => nil,
+                    },
+                    {
+                      "value" => nil,
+                    },
+                    {
+                      "value" => nil,
+                    },
+                  ],
+                },
+              ],
+            },
+          }.to_json
+        end
+      end
+    end
+  end
+end
diff --git a/spec/apps/hanami/config/routes.rb b/spec/apps/hanami/config/routes.rb
index 849de477..f8bf072c 100644
--- a/spec/apps/hanami/config/routes.rb
+++ b/spec/apps/hanami/config/routes.rb
@@ -33,6 +33,7 @@ class Routes < Hanami::Routes
     get '/array_hashes/nested_arrays', to: 'array_hashes.nested_arrays'
     get '/array_hashes/nested_objects', to: 'array_hashes.nested_objects'
     get '/array_hashes/mixed_types_nested', to: 'array_hashes.mixed_types_nested'
+    get '/array_hashes/multiple_one_of_test', to: 'array_hashes.multiple_one_of_test'
 
     get '/test_block', to: ->(_env) { [200, { 'Content-Type' => 'text/plain' }, ['A TEST']] }
 
diff --git a/spec/apps/hanami/doc/openapi.json b/spec/apps/hanami/doc/openapi.json
index d7f7cf76..c7ff19b0 100644
--- a/spec/apps/hanami/doc/openapi.json
+++ b/spec/apps/hanami/doc/openapi.json
@@ -108,9 +108,20 @@
                                     {
                                       "type": "array",
                                       "items": {}
+                                    },
+                                    {
+                                      "type": "boolean"
+                                    },
+                                    {
+                                      "type": "array",
+                                      "items": {
+                                        "type": "string"
+                                      }
+                                    },
+                                    {
+                                      "type": "integer"
                                     }
-                                  ],
-                                  "nullable": true
+                                  ]
                                 },
                                 "options": {
                                   "oneOf": [
@@ -148,8 +159,7 @@
                                 }
                               },
                               "required": [
-                                "value",
-                                "options"
+                                "value"
                               ]
                             },
                             "nullable": true
@@ -208,6 +218,28 @@
                         "ssl": true
                       },
                       "form": null
+                    },
+                    {
+                      "id": 3,
+                      "config": {
+                        "port": "9010",
+                        "host": "foo.example.com",
+                        "ssl": true
+                      },
+                      "form": [
+                        {
+                          "value": false
+                        },
+                        {
+                          "value": [
+                            "First",
+                            "Second"
+                          ]
+                        },
+                        {
+                          "value": 3
+                        }
+                      ]
                     }
                   ]
                 }
@@ -217,6 +249,168 @@
         }
       }
     },
+    "/array_hashes/multiple_one_of_test": {
+      "get": {
+        "summary": "multiple_one_of_test",
+        "tags": [
+          "ArrayHash"
+        ],
+        "responses": {
+          "200": {
+            "description": "returns items that would produce different oneOf types",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "type": "object",
+                  "properties": {
+                    "data": {
+                      "type": "object",
+                      "properties": {
+                        "form": {
+                          "type": "array",
+                          "items": {
+                            "type": "object",
+                            "properties": {
+                              "inputs": {
+                                "type": "array",
+                                "items": {
+                                  "type": "object",
+                                  "properties": {
+                                    "value": {
+                                      "oneOf": [
+                                        {
+                                          "type": "string"
+                                        },
+                                        {
+                                          "type": "boolean"
+                                        },
+                                        {
+                                          "type": "array",
+                                          "items": {
+                                            "type": "string"
+                                          }
+                                        }
+                                      ],
+                                      "nullable": true
+                                    }
+                                  },
+                                  "required": [
+                                    "value"
+                                  ]
+                                }
+                              }
+                            },
+                            "required": [
+                              "inputs"
+                            ]
+                          }
+                        }
+                      },
+                      "required": [
+                        "form"
+                      ]
+                    }
+                  },
+                  "required": [
+                    "data"
+                  ]
+                },
+                "example": {
+                  "data": {
+                    "form": [
+                      {
+                        "inputs": [
+                          {
+                            "value": "John Doe"
+                          },
+                          {
+                            "value": "some_email_123@someone.com"
+                          },
+                          {
+                            "value": "In progress"
+                          },
+                          {
+                            "value": "2025-12-11T06:25:20.770+00:00"
+                          }
+                        ]
+                      },
+                      {
+                        "inputs": [
+                          {
+                            "value": null
+                          },
+                          {
+                            "value": "user_1"
+                          },
+                          {
+                            "value": "user_2"
+                          }
+                        ]
+                      },
+                      {
+                        "inputs": [
+                          {
+                            "value": false
+                          },
+                          {
+                            "value": "Some organisation"
+                          },
+                          {
+                            "value": "organisation_1"
+                          },
+                          {
+                            "value": [
+                              "organisation_1",
+                              "organisation_2",
+                              "organisation_3"
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "inputs": [
+                          {
+                            "value": "Initialized"
+                          },
+                          {
+                            "value": "Initialized"
+                          },
+                          {
+                            "value": "Initialized"
+                          },
+                          {
+                            "value": "Initialized"
+                          },
+                          {
+                            "value": null
+                          }
+                        ]
+                      },
+                      {
+                        "inputs": [
+                          {
+                            "value": null
+                          },
+                          {
+                            "value": null
+                          },
+                          {
+                            "value": null
+                          },
+                          {
+                            "value": null
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
+    },
     "/array_hashes/nested": {
       "get": {
         "summary": "nested",
diff --git a/spec/apps/hanami/doc/openapi.yaml b/spec/apps/hanami/doc/openapi.yaml
index ea541da7..da0327dc 100644
--- a/spec/apps/hanami/doc/openapi.yaml
+++ b/spec/apps/hanami/doc/openapi.yaml
@@ -79,7 +79,11 @@ paths:
                                 - type: string
                                 - type: array
                                   items: {}
-                                nullable: true
+                                - type: boolean
+                                - type: array
+                                  items:
+                                    type: string
+                                - type: integer
                               options:
                                 oneOf:
                                 - type: array
@@ -102,7 +106,6 @@ paths:
                                 nullable: true
                             required:
                             - value
-                            - options
                           nullable: true
                       required:
                       - id
@@ -133,6 +136,90 @@ paths:
                     host: example.com
                     ssl: true
                   form:
+                - id: 3
+                  config:
+                    port: '9010'
+                    host: foo.example.com
+                    ssl: true
+                  form:
+                  - value: false
+                  - value:
+                    - First
+                    - Second
+                  - value: 3
+  "/array_hashes/multiple_one_of_test":
+    get:
+      summary: multiple_one_of_test
+      tags:
+      - ArrayHash
+      responses:
+        '200':
+          description: returns items that would produce different oneOf types
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  data:
+                    type: object
+                    properties:
+                      form:
+                        type: array
+                        items:
+                          type: object
+                          properties:
+                            inputs:
+                              type: array
+                              items:
+                                type: object
+                                properties:
+                                  value:
+                                    oneOf:
+                                    - type: string
+                                    - type: boolean
+                                    - type: array
+                                      items:
+                                        type: string
+                                    nullable: true
+                                required:
+                                - value
+                          required:
+                          - inputs
+                    required:
+                    - form
+                required:
+                - data
+              example:
+                data:
+                  form:
+                  - inputs:
+                    - value: John Doe
+                    - value: some_email_123@someone.com
+                    - value: In progress
+                    - value: '2025-12-11T06:25:20.770+00:00'
+                  - inputs:
+                    - value:
+                    - value: user_1
+                    - value: user_2
+                  - inputs:
+                    - value: false
+                    - value: Some organisation
+                    - value: organisation_1
+                    - value:
+                      - organisation_1
+                      - organisation_2
+                      - organisation_3
+                  - inputs:
+                    - value: Initialized
+                    - value: Initialized
+                    - value: Initialized
+                    - value: Initialized
+                    - value:
+                  - inputs:
+                    - value:
+                    - value:
+                    - value:
+                    - value:
   "/array_hashes/nested":
     get:
       summary: nested
diff --git a/spec/apps/rails/app/controllers/array_hashes_controller.rb b/spec/apps/rails/app/controllers/array_hashes_controller.rb
index edd09bde..01f414a6 100644
--- a/spec/apps/rails/app/controllers/array_hashes_controller.rb
+++ b/spec/apps/rails/app/controllers/array_hashes_controller.rb
@@ -236,9 +236,112 @@ def mixed_types_nested
             "ssl" => true
           },
           "form" => nil
-        }
+        },
+        {
+          "id" => 3,
+          "config" => {
+            "port" => "9010",
+            "host" => "foo.example.com",
+            "ssl" => true
+          }
+        },
       ]
     }
     render json: response
   end
+
+  def multiple_one_of_test
+    response = {
+      "data" => {
+        "form" => [
+          {
+            "inputs" => [
+              {
+                "value" => 'John Doe',
+              },
+              {
+                "value" =>
+                  'some_email_123@someone.com',
+              },
+              {
+                "value" => 'In progress',
+              },
+              {
+                "value" => '2025-12-11T06:25:20.770+00:00',
+              },
+            ],
+          },
+          {
+            "inputs" => [
+              {
+                "value" => nil,
+              },
+              {
+                "value" => 'user_1',
+              },
+              {
+                "value" => 'user_2',
+              },
+            ],
+          },
+          {
+            "inputs" => [
+              {
+                "value" => false,
+              },
+              {
+                "value" => 'Some organisation',
+              },
+              {
+                "value" => 'organisation_1',
+              },
+              {
+                "value" => [
+                  'organisation_1',
+                  'organisation_2',
+                  'organisation_3',
+                ],
+              },
+            ],
+          },
+          {
+            "inputs" => [
+              {
+                "value" => 'Initialized',
+              },
+              {
+                "value" => 'Initialized',
+              },
+              {
+                "value" => 'Initialized',
+              },
+              {
+                "value" => 'Initialized',
+              },
+              {
+                "value" => nil,
+              },
+            ],
+          },
+          {
+            "inputs" => [
+              {
+                "value" => nil,
+              },
+              {
+                "value" => nil,
+              },
+              {
+                "value" => nil,
+              },
+              {
+                "value" => nil,
+              },
+            ],
+          },
+        ],
+      },
+    }
+    render json: response
+  end
 end
diff --git a/spec/apps/rails/config/routes.rb b/spec/apps/rails/config/routes.rb
index 45462639..daa7c3df 100644
--- a/spec/apps/rails/config/routes.rb
+++ b/spec/apps/rails/config/routes.rb
@@ -39,6 +39,7 @@
       get :nested_arrays, on: :collection
       get :nested_objects, on: :collection
       get :mixed_types_nested, on: :collection
+      get :multiple_one_of_test, on: :collection
     end
 
     scope :admin do
diff --git a/spec/apps/rails/doc/minitest_openapi.json b/spec/apps/rails/doc/minitest_openapi.json
index 698a7bcc..7181cf65 100644
--- a/spec/apps/rails/doc/minitest_openapi.json
+++ b/spec/apps/rails/doc/minitest_openapi.json
@@ -191,8 +191,7 @@
                                 }
                               },
                               "required": [
-                                "value",
-                                "options"
+                                "value"
                               ]
                             },
                             "nullable": true
@@ -251,6 +250,14 @@
                         "ssl": true
                       },
                       "form": null
+                    },
+                    {
+                      "id": 3,
+                      "config": {
+                        "port": "9010",
+                        "host": "foo.example.com",
+                        "ssl": true
+                      }
                     }
                   ]
                 }
@@ -260,6 +267,168 @@
         }
       }
     },
+    "/array_hashes/multiple_one_of_test": {
+      "get": {
+        "summary": "multiple_one_of_test",
+        "tags": [
+          "ArrayHash"
+        ],
+        "responses": {
+          "200": {
+            "description": "with mixed types in nested objects in nested array",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "type": "object",
+                  "properties": {
+                    "data": {
+                      "type": "object",
+                      "properties": {
+                        "form": {
+                          "type": "array",
+                          "items": {
+                            "type": "object",
+                            "properties": {
+                              "inputs": {
+                                "type": "array",
+                                "items": {
+                                  "type": "object",
+                                  "properties": {
+                                    "value": {
+                                      "oneOf": [
+                                        {
+                                          "type": "string"
+                                        },
+                                        {
+                                          "type": "boolean"
+                                        },
+                                        {
+                                          "type": "array",
+                                          "items": {
+                                            "type": "string"
+                                          }
+                                        }
+                                      ],
+                                      "nullable": true
+                                    }
+                                  },
+                                  "required": [
+                                    "value"
+                                  ]
+                                }
+                              }
+                            },
+                            "required": [
+                              "inputs"
+                            ]
+                          }
+                        }
+                      },
+                      "required": [
+                        "form"
+                      ]
+                    }
+                  },
+                  "required": [
+                    "data"
+                  ]
+                },
+                "example": {
+                  "data": {
+                    "form": [
+                      {
+                        "inputs": [
+                          {
+                            "value": "John Doe"
+                          },
+                          {
+                            "value": "some_email_123@someone.com"
+                          },
+                          {
+                            "value": "In progress"
+                          },
+                          {
+                            "value": "2025-12-11T06:25:20.770+00:00"
+                          }
+                        ]
+                      },
+                      {
+                        "inputs": [
+                          {
+                            "value": null
+                          },
+                          {
+                            "value": "user_1"
+                          },
+                          {
+                            "value": "user_2"
+                          }
+                        ]
+                      },
+                      {
+                        "inputs": [
+                          {
+                            "value": false
+                          },
+                          {
+                            "value": "Some organisation"
+                          },
+                          {
+                            "value": "organisation_1"
+                          },
+                          {
+                            "value": [
+                              "organisation_1",
+                              "organisation_2",
+                              "organisation_3"
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "inputs": [
+                          {
+                            "value": "Initialized"
+                          },
+                          {
+                            "value": "Initialized"
+                          },
+                          {
+                            "value": "Initialized"
+                          },
+                          {
+                            "value": "Initialized"
+                          },
+                          {
+                            "value": null
+                          }
+                        ]
+                      },
+                      {
+                        "inputs": [
+                          {
+                            "value": null
+                          },
+                          {
+                            "value": null
+                          },
+                          {
+                            "value": null
+                          },
+                          {
+                            "value": null
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
+    },
     "/array_hashes/nested": {
       "get": {
         "summary": "nested",
diff --git a/spec/apps/rails/doc/minitest_openapi.yaml b/spec/apps/rails/doc/minitest_openapi.yaml
index a7b30b8a..cf33274a 100644
--- a/spec/apps/rails/doc/minitest_openapi.yaml
+++ b/spec/apps/rails/doc/minitest_openapi.yaml
@@ -130,7 +130,6 @@ paths:
                                 nullable: true
                             required:
                             - value
-                            - options
                           nullable: true
                       required:
                       - id
@@ -161,6 +160,84 @@ paths:
                     host: example.com
                     ssl: true
                   form:
+                - id: 3
+                  config:
+                    port: '9010'
+                    host: foo.example.com
+                    ssl: true
+  "/array_hashes/multiple_one_of_test":
+    get:
+      summary: multiple_one_of_test
+      tags:
+      - ArrayHash
+      responses:
+        '200':
+          description: with mixed types in nested objects in nested array
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  data:
+                    type: object
+                    properties:
+                      form:
+                        type: array
+                        items:
+                          type: object
+                          properties:
+                            inputs:
+                              type: array
+                              items:
+                                type: object
+                                properties:
+                                  value:
+                                    oneOf:
+                                    - type: string
+                                    - type: boolean
+                                    - type: array
+                                      items:
+                                        type: string
+                                    nullable: true
+                                required:
+                                - value
+                          required:
+                          - inputs
+                    required:
+                    - form
+                required:
+                - data
+              example:
+                data:
+                  form:
+                  - inputs:
+                    - value: John Doe
+                    - value: some_email_123@someone.com
+                    - value: In progress
+                    - value: '2025-12-11T06:25:20.770+00:00'
+                  - inputs:
+                    - value:
+                    - value: user_1
+                    - value: user_2
+                  - inputs:
+                    - value: false
+                    - value: Some organisation
+                    - value: organisation_1
+                    - value:
+                      - organisation_1
+                      - organisation_2
+                      - organisation_3
+                  - inputs:
+                    - value: Initialized
+                    - value: Initialized
+                    - value: Initialized
+                    - value: Initialized
+                    - value:
+                  - inputs:
+                    - value:
+                    - value:
+                    - value:
+                    - value:
   "/array_hashes/nested":
     get:
       summary: nested
diff --git a/spec/apps/rails/doc/rspec_openapi.json b/spec/apps/rails/doc/rspec_openapi.json
index 5e96420b..1888312f 100644
--- a/spec/apps/rails/doc/rspec_openapi.json
+++ b/spec/apps/rails/doc/rspec_openapi.json
@@ -191,8 +191,7 @@
                                 }
                               },
                               "required": [
-                                "value",
-                                "options"
+                                "value"
                               ]
                             },
                             "nullable": true
@@ -251,6 +250,14 @@
                         "ssl": true
                       },
                       "form": null
+                    },
+                    {
+                      "id": 3,
+                      "config": {
+                        "port": "9010",
+                        "host": "foo.example.com",
+                        "ssl": true
+                      }
                     }
                   ]
                 }
@@ -260,6 +267,168 @@
         }
       }
     },
+    "/array_hashes/multiple_one_of_test": {
+      "get": {
+        "summary": "multiple_one_of_test",
+        "tags": [
+          "ArrayHash"
+        ],
+        "responses": {
+          "200": {
+            "description": "returns items that would produce different oneOf types",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "type": "object",
+                  "properties": {
+                    "data": {
+                      "type": "object",
+                      "properties": {
+                        "form": {
+                          "type": "array",
+                          "items": {
+                            "type": "object",
+                            "properties": {
+                              "inputs": {
+                                "type": "array",
+                                "items": {
+                                  "type": "object",
+                                  "properties": {
+                                    "value": {
+                                      "oneOf": [
+                                        {
+                                          "type": "string"
+                                        },
+                                        {
+                                          "type": "boolean"
+                                        },
+                                        {
+                                          "type": "array",
+                                          "items": {
+                                            "type": "string"
+                                          }
+                                        }
+                                      ],
+                                      "nullable": true
+                                    }
+                                  },
+                                  "required": [
+                                    "value"
+                                  ]
+                                }
+                              }
+                            },
+                            "required": [
+                              "inputs"
+                            ]
+                          }
+                        }
+                      },
+                      "required": [
+                        "form"
+                      ]
+                    }
+                  },
+                  "required": [
+                    "data"
+                  ]
+                },
+                "example": {
+                  "data": {
+                    "form": [
+                      {
+                        "inputs": [
+                          {
+                            "value": "John Doe"
+                          },
+                          {
+                            "value": "some_email_123@someone.com"
+                          },
+                          {
+                            "value": "In progress"
+                          },
+                          {
+                            "value": "2025-12-11T06:25:20.770+00:00"
+                          }
+                        ]
+                      },
+                      {
+                        "inputs": [
+                          {
+                            "value": null
+                          },
+                          {
+                            "value": "user_1"
+                          },
+                          {
+                            "value": "user_2"
+                          }
+                        ]
+                      },
+                      {
+                        "inputs": [
+                          {
+                            "value": false
+                          },
+                          {
+                            "value": "Some organisation"
+                          },
+                          {
+                            "value": "organisation_1"
+                          },
+                          {
+                            "value": [
+                              "organisation_1",
+                              "organisation_2",
+                              "organisation_3"
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "inputs": [
+                          {
+                            "value": "Initialized"
+                          },
+                          {
+                            "value": "Initialized"
+                          },
+                          {
+                            "value": "Initialized"
+                          },
+                          {
+                            "value": "Initialized"
+                          },
+                          {
+                            "value": null
+                          }
+                        ]
+                      },
+                      {
+                        "inputs": [
+                          {
+                            "value": null
+                          },
+                          {
+                            "value": null
+                          },
+                          {
+                            "value": null
+                          },
+                          {
+                            "value": null
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
+    },
     "/array_hashes/nested": {
       "get": {
         "summary": "nested",
diff --git a/spec/apps/rails/doc/rspec_openapi.yaml b/spec/apps/rails/doc/rspec_openapi.yaml
index 76790869..f0f5a9d0 100644
--- a/spec/apps/rails/doc/rspec_openapi.yaml
+++ b/spec/apps/rails/doc/rspec_openapi.yaml
@@ -130,7 +130,6 @@ paths:
                                 nullable: true
                             required:
                             - value
-                            - options
                           nullable: true
                       required:
                       - id
@@ -161,6 +160,84 @@ paths:
                     host: example.com
                     ssl: true
                   form:
+                - id: 3
+                  config:
+                    port: '9010'
+                    host: foo.example.com
+                    ssl: true
+  "/array_hashes/multiple_one_of_test":
+    get:
+      summary: multiple_one_of_test
+      tags:
+      - ArrayHash
+      responses:
+        '200':
+          description: returns items that would produce different oneOf types
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  data:
+                    type: object
+                    properties:
+                      form:
+                        type: array
+                        items:
+                          type: object
+                          properties:
+                            inputs:
+                              type: array
+                              items:
+                                type: object
+                                properties:
+                                  value:
+                                    oneOf:
+                                    - type: string
+                                    - type: boolean
+                                    - type: array
+                                      items:
+                                        type: string
+                                    nullable: true
+                                required:
+                                - value
+                          required:
+                          - inputs
+                    required:
+                    - form
+                required:
+                - data
+              example:
+                data:
+                  form:
+                  - inputs:
+                    - value: John Doe
+                    - value: some_email_123@someone.com
+                    - value: In progress
+                    - value: '2025-12-11T06:25:20.770+00:00'
+                  - inputs:
+                    - value:
+                    - value: user_1
+                    - value: user_2
+                  - inputs:
+                    - value: false
+                    - value: Some organisation
+                    - value: organisation_1
+                    - value:
+                      - organisation_1
+                      - organisation_2
+                      - organisation_3
+                  - inputs:
+                    - value: Initialized
+                    - value: Initialized
+                    - value: Initialized
+                    - value: Initialized
+                    - value:
+                  - inputs:
+                    - value:
+                    - value:
+                    - value:
+                    - value:
   "/array_hashes/nested":
     get:
       summary: nested
diff --git a/spec/integration_tests/rails_test.rb b/spec/integration_tests/rails_test.rb
index 900699a2..6c20e5d8 100644
--- a/spec/integration_tests/rails_test.rb
+++ b/spec/integration_tests/rails_test.rb
@@ -356,6 +356,11 @@ class ArrayOfHashesTest < ActionDispatch::IntegrationTest
     get '/array_hashes/mixed_types_nested'
     assert_response 200
   end
+
+  test 'with mixed types in nested objects in nested array' do
+    get '/array_hashes/multiple_one_of_test'
+    assert_response 200
+  end
 end
 
 class RSpecHooksAfterSuiteTest < Minitest::Test
diff --git a/spec/requests/hanami_spec.rb b/spec/requests/hanami_spec.rb
index 1926925b..d49c4218 100644
--- a/spec/requests/hanami_spec.rb
+++ b/spec/requests/hanami_spec.rb
@@ -380,4 +380,11 @@
       expect(last_response.status).to eq(200)
     end
   end
+
+  describe 'with mixed types in nested objects in nested array' do
+    it 'returns items that would produce different oneOf types' do
+      get '/array_hashes/multiple_one_of_test'
+      expect(last_response.status).to eq(200)
+    end
+  end
 end
diff --git a/spec/requests/rails_spec.rb b/spec/requests/rails_spec.rb
index 7a1355c1..e809a93c 100644
--- a/spec/requests/rails_spec.rb
+++ b/spec/requests/rails_spec.rb
@@ -364,4 +364,11 @@
       expect(response.status).to eq(200)
     end
   end
+
+  describe 'with mixed types in nested objects in nested array' do
+    it 'returns items that would produce different oneOf types' do
+      get '/array_hashes/multiple_one_of_test'
+      expect(response.status).to eq(200)
+    end
+  end
 end