product · May 21, 2026

GitHub adds Claude Haiku 4.5 and GPT-5.4-mini to Copilot cloud agent on May 18, 2026

GitHub expands supported models for Copilot cloud agent to include Claude Haiku 4.5 and GPT-5.4-mini, each with a 0.33x multiplier for faster, cost-efficient performance on simple tasks. Users select the model when delegating a task, choosing smaller quicker options for straightforward changes or more capable models for complex work. The update builds on existing model options and references GitHub Docs for changing the AI model for Copilot cloud agent. No explicit pricing changes accompany the model additions beyond the efficiency multipliers.