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github: Anthropic Claude Sonnet 4.5 is in public preview for Copilot coding agent

GitHub

2025-09-30

GitHub Copilot’s asynchronous coding agent now supports Anthropic’s Claude Sonnet 4.5. The integration is available in public preview and connects Copilot coding agent with Anthropic’s most advanced model for coding and real‑world agent tasks.

github: Anthropic Claude Sonnet 4.5 is in public preview for GitHub Copilot

GitHub

2025-09-29

Anthropic's Claude Sonnet 4.5, described as their most advanced model for coding and real‑world agents, is rolling out in public preview inside GitHub Copilot and is available to Copilot Pro, Pro+, Business, and Enterprise customers.