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… The following models are now available, in addition to the existing options: Claude Haiku 4.5 0.33x multiplier GPT-5.4-mini 0.33x multiplier To learn more, see “Changing the AI model for Copilot cloud agent” in the GitHub Docs. …
… Model Deprecation date Suggested alternative Grok Code Fast 1 2026-05-15 GPT-5 mini / Claude Haiku 4.5 Please update your workflows and integrations to use supported models. …
… It routes to models like GPT-5.4, GPT-5.3-Codex, Sonnet 4.6, and Haiku 4.5 based on your plan and policies. …
Back to changelog We will deprecate Grok Code Fast 1 across all GitHub Copilot experiences including Copilot Chat, inline edits, ask and agent modes, and code completions on May 15th: Model Deprecation date Suggested alternative Grok Code Fast 1 2026-05-15 GPT-5 mini / Claude Haiku 4.5 The Grok Cod… …
… It routes to models like GPT-5.4, GPT-5.3-Codex, Sonnet 4.6, and Haiku 4.5 depending on your plan and policies. …
… Running the same workflow on Claude Haiku versus Claude Sonnet produces similar token counts but cost very differently. Haiku costs roughly 4× less per token than Sonnet, so a workflow that switches models appears unchanged in raw token count but represents a significant cost reduction. …
… For now, we are enabling Rubber Duck for all Claude family models Opus, Sonnet, and Haiku used as orchestrators in the model picker. …
… Claude Haiku 4.5 0.33x 4. …