aider/website/docs/llms/openai-compat.md

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Connecting to LLMs	500

OpenAI compatible APIs

Aider can connect to any LLM which is accessible via an OpenAI compatible API endpoint.

pip install aider-chat

# Mac/Linux:
export OPENAI_API_BASE=<endpoint>
export OPENAI_API_KEY=<key>

# Windows:
setx OPENAI_API_BASE <endpoint>
setx OPENAI_API_KEY <key>

# Prefix the model name with openai/
aider --model openai/<model-name>

See the model warnings section for information on warnings which will occur when working with models that aider is not familiar with.