Simon Willison • 8/9/2026

GitHub Models is now retired

This article reports the retirement of GitHub Models, a service that provided a model playground and unified API for LLMs, particularly useful in GitHub Actions. The author discovered the shutdown when their Actions runs failed due to a brownout error. They speculate the retirement may be due to costs from coding agent patterns. They then describe migrating their workflow, which generates folder summaries, to use an OpenAI API key with a monthly limit, now using GPT-5.6 Luna. This is relevant to developers relying on GitHub's AI services and those interested in LLM integration in CI/CD pipelines.

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#Github Actions #Retirement #Openai