diff --git a/.env.example b/.env.example
index 57d6bbd..33027f6 100644
--- a/.env.example
+++ b/.env.example
@@ -5,6 +5,11 @@ LLM_PROVIDER=openai
 OPENAI_MODEL=gpt-4o
 ANTHROPIC_MODEL=claude-3-5-sonnet-20241022
 DEEPSEEK_MODEL=deepseek-chat
+CUSTOM_OPENAI_MODEL=gpt-4o-mini
+
+# Custom OpenAI-compatible provider
+CUSTOM_OPENAI_BASE_URL=
+CUSTOM_OPENAI_API_KEY=
 
 # API keys
 OPENAI_API_KEY=