GitHub Retires GitHub Models Service

GitHub discontinued the GitHub Models service, which provided a unified playground and API across multiple LLM providers. The service allowed code running in GitHub Actions to use the GitHub API key already present in the environment to execute LLM prompts. The service retirement was completed after a notice period, with no official explanation from GitHub regarding the reasons. The discontinuation possibly reflects a pattern where coding agent models made the cost of offering free or subsidized tokens prohibitively expensive. Users relying on the service need to migrate to alternatives such as OpenAI API with established spending limits.