diff --git a/.env.example b/.env.example
index 94064796..4cd1d72b 100644
--- a/.env.example
+++ b/.env.example
@@ -6,11 +6,11 @@ TOKENIZER_MODEL=
 
 # http_api / openai_api
 SYNTHESIZER_BACKEND=openai_api
-SYNTHESIZER_MODEL=gpt-4o-mini
+SYNTHESIZER_MODEL_NAME=gpt-4o-mini
 SYNTHESIZER_BASE_URL=
 SYNTHESIZER_API_KEY=
 TRAINEE_BACKEND=openai_api
-TRAINEE_MODEL=gpt-4o-mini
+TRAINEE_MODEL_NAME=gpt-4o-mini
 TRAINEE_BASE_URL=
 TRAINEE_API_KEY=