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

DevFeed: [Anthropic Claude Sonnet 4.5 is in public preview for Copilot coding agent](<https://devfeed.tech/articles/anthropic-claude-sonnet-4-5-is-in-public-preview-for-copilot-coding-agent-72276.md>)

Original publisher: [Read original article](<https://github.blog/changelog/2025-09-30-anthropic-claude-sonnet-4-5-is-in-public-preview-for-copilot-coding-agent>)

Author: Allison

Published: 2025-09-30T22:57:41Z

Content type: release

Language: en

Sources: [GitHub Changelog](<https://devfeed.tech/sources/github-changelog.md>)

Topics: [GitHub Copilot](<https://devfeed.tech/topics/github-copilot.md>), [Claude](<https://devfeed.tech/topics/claude.md>)

Tags: [anthropic](<https://devfeed.tech/tags/anthropic.md>), [claude-sonnet](<https://devfeed.tech/tags/claude-sonnet.md>), [evaluation](<https://devfeed.tech/tags/evaluation.md>), [github](<https://devfeed.tech/tags/github.md>), [github-copilot-coding-agent](<https://devfeed.tech/tags/github-copilot-coding-agent.md>)

## AI overview

GitHub Copilot coding agent now supports Claude Sonnet 4.5 in public preview. Copilot Pro and Pro+ users get it automatically; Business and Enterprise administrators must enable the policy in Copilot settings. Without it, the agent continues using Claude Sonnet 4.

## Source excerpt

GitHub Copilot coding agent, our asynchronous developer agent, now works with Claude Sonnet 4.5, Anthropic's most advanced model for coding and real-world agents. Claude Sonnet 4.5 is state of the...