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docs: prune and restructure the guides section - #3483

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docs: prune and restructure the guides section#3483
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lfmkt-2129-clean-up-guides-section

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@Lotte-Verheyden Lotte-Verheyden commented Aug 7, 2026

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Restructures the guides section following the docs cleanup decisions from the 2026-08-05 marketing sync: remove outdated content, keep integration material in /integrations (one page per integration, no parallel cookbook entries), move benchmarks, webinars, and evaluation-library write-ups to /resources/engineering, and sort the remaining cookbooks by topic. Review feedback from the first pass is incorporated (Ragas cookbook moved to resources; the video gallery stays on /guides).

Net result: /guides goes from 50 cookbooks + 13 videos in 8 fuzzy categories to 18 cookbooks in exactly three topic categories (Evaluation, Examples, Prompt Management) plus a gallery of the 4 current videos. The integrations catalog gains 5 real pages, engineering resources gains 4. Every removed URL redirects to the closest living equivalent, all internal links are retargeted, and all pages and redirects were verified against a local dev server.

Removed from the site (outdated or redundant)

Page Why Redirects to
guides/cookbook/integration_langserve + integrations/frameworks/langserve LangServe is deprecated since Nov 2024 (maintenance mode, LangGraph Platform recommended) LangChain integration
guides/cookbook/integration_llama-index-callback Near-duplicate of the LlamaIndex integration page (same OpenInference setup) LlamaIndex integration
guides/cookbook/integration_llama-index_instrumentation Second near-duplicate of the same page LlamaIndex integration
guides/cookbook/integration_llama-index_milvus-lite Hand-written twin exists at /integrations/other/milvus Milvus integration
guides/cookbook/integration_llama_index_posthog_mistral Niche LlamaIndex + PostHog + Mistral combo PostHog integration
guides/cookbook/evaluation_with_uptrain UpTrain is unmaintained (last release May 2024) Evaluation docs
guides/cookbook/evaluation_with_langchain Superseded by the external evaluation pipelines cookbook External eval pipelines cookbook
guides/cookbook/example_decorator_openai_langchain 2024 launch demo ("rap battle"), interop is covered in the SDK docs SDK instrumentation docs
guides/cookbook/integration_langchain + js_integration_langchain Examples use legacy LangChain APIs; the reference page covers current Python and JS usage LangChain integration
guides/cookbook/integration_openai_sdk The OpenAI (Python) reference page covers everything shown (the cookbook's functions example was not even traced) OpenAI (Python)
guides/cookbook/integration_openai_structured_output The OpenAI (Python) page documents structured output tracing OpenAI (Python) #structured-output
guides/cookbook/integration_azure_openai_langchain Low traffic LangChain integration
guides/videos/introducing-langfuse-2.0, introducing-datasets-v2, introducing-python-decorator, posthog-integration, llm-playground, llm-as-a-judge-eval-on-dataset-experiments Launch/announcement walkthroughs of superseded versions; every video remains embedded in its changelog, blog, or docs home Closest living page each
guides/videos/run-langfuse-locally, external-evaluation-pipelines Wrapper pages around videos that are already embedded on the canonical page Docker Compose docs / external eval pipelines cookbook

Merged into the integration reference page, then removed

Source cookbook Merged into
integration_litellm_proxy + js_integration_litellm_proxy LiteLLM gateway page: new "Trace calls client-side with the OpenAI SDK wrapper" section with Python/JS tabs
integration_databricks Databricks page: the three tracing approaches (OpenAI SDK, LangChain, LlamaIndex) as tabs
js_integration_openai OpenAI (JS) page: new "Group multiple generations into a single trace" section

Moved to a better home (content unchanged, URL redirects)

Page New home Why
otel_integration_openllmetry, otel_integration_openlit, otel_integration_mlflow, otel_integration_arize /integrations/other/ (OpenLLMetry, OpenLIT, MLflow, OpenInference) Integration reference material, not guides; all four tools are still active
integration_langgraph /integrations/frameworks/langgraph Was the only LangGraph content on the site; fills a catalog gap (FAQ and docs links updated)
evaluation_of_rag_with_ragas /resources/engineering/evaluation-of-rag-with-ragas Review feedback; sits next to the other RAG evaluation articles
langfuse_sdk_performance_test, prompt_management_performance_benchmark /resources/engineering/ Benchmark write-ups, not how-tos
guides/videos/webinar-observability-llm-systems /resources/engineering/ 2023 webinar (recording + slides), linked from enterprise page, handbook, library, and a blog post

No longer dual-published on /guides

These lived at two URLs with identical content; they now exist only as their /integrations page (old URL redirects): LlamaIndex, LlamaIndex Workflows, Amazon Bedrock, Anthropic (Python), Anthropic (JS), and OpenAI Assistants API. The Assistants page additionally gets a deprecation note (OpenAI shuts the API down on August 26, 2026) pointing to the Responses API migration guide.

Kept on /guides, edited in place

Page Change
guides/index.mdx Real intro replacing "work-in-progress"; the video gallery stays, trimmed to the four current videos
example_evaluating_openai_agents, example_langgraph_agents Recategorized Integrations → Evaluation (they teach agent evaluation, same genre as the Pydantic AI eval cookbook)
example_data_migration + example_data_migration-jp Categorized under Examples and cross-linked to each other; the Japanese version stays listed (it is the migration path linked from both Japan-region launch blog posts)
example_intent_classification_pipeline, example_llm_security_monitoring, js_prompt_management_langchain Single-item/misfiled categories folded into the final set

Link fixes and plumbing

  • ~25 files edited only to retarget links to removed/moved pages: LangChain/xAI/OpenAI/Ragas integration pages, docs get-started, prompt config, caching, agent-graphs, LLM-as-a-judge, the FAQ, library, handbook, enterprise page, academy evaluate pages, and several 2024 changelogs/blog posts.
  • lib/redirects.js: 41 new redirects, 20 existing entries retargeted so nothing points at a deleted page.
  • cookbook/_routes.json reduced to 84 entries; five nav meta.json files updated.

Open follow-ups (deliberately not in this PR):

  • guides/cookbook/prompt_management_openai_functions still uses the legacy OpenAI functions API; refresh to tool calling or delete.
  • A multimodal-datasets guide (reviewer suggestion for example_multi_modal_traces) will come as a separate PR.

Remove outdated cookbooks and videos, consolidate integration cookbooks
into their /integrations reference pages, move benchmarks and the 2023
webinar to /resources/engineering, and sort the remaining guides by
topic instead of format. Every removed URL redirects to the closest
living equivalent.
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Move the Ragas evaluation cookbook to /resources/engineering (redirect
and inbound links retargeted) and keep the video gallery on the /guides
page instead of folding videos into the topic categories.
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