Coding Tools
GitHub Copilot adds Claude Opus 5.5 and GPT-6
GitHub Changeloghigh confidence
Why it matters
- →Access to Claude Opus 5.5 and GPT-6 Sol provides developers with top-tier reasoning models directly within their IDE.
- →Local sandboxing and OpenTelemetry support address key enterprise security and observability requirements for AI agents.
- →Assisted approvals and session rewinding improve the safety and usability of autonomous coding workflows.
GitHub has released weekly updates to its Copilot suite, introducing Claude Opus 5.5 and GPT-6 Sol for Pro+ and Enterprise plans, alongside GPT-6 Luna and Grok 4.7 for broader tiers. The update emphasizes agent security and observability with new local sandboxing capabilities that limit file and network access, plus OpenTelemetry integration for tracking agent activity. Additional features include assisted approvals for low-risk tool calls, the ability to rewind agent sessions by editing earlier messages, and improved Dev Container support for remote hosts. These changes position Copilot as a more robust, enterprise-ready platform for autonomous coding tasks.
Read originalThe story around this
Earlier coverage that leads up to this article, and what followed. Lines connect each piece to the closest one after it, converging here.
How we got here
- 1GitHub Copilot App Now Supports Any Model Provider
Matt Wolfe · June 10, 2026 · Same story
- 2Claude Opus 5 Now in GitHub Copilot
GitHub Changelog · July 24, 2026 · Same story
- 3GitHub Copilot Expands Model Options and Features
GitHub Changelog · September 4, 2026 · Same story
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Open the full story →GitHub Copilot adds Claude Opus 5.5 and GPT-6
3 developments
- Sep 25 · GitHub Changelog
GitHub Copilot adds Claude Opus 5.5 and GPT-6 (This article) - Oct 1 · GitHub Changelog
GitHub Copilot adds dynamic workflows↳ GitHub Copilot introduces dynamic workflows across CLI, app, and SDK for complex multi-step AI operations. - Oct 1 · GitHub Changelog
GitHub Copilot Agents Automate PR Merges↳ GitHub Copilot Agents Automate PR Merges using Agent Merge to handle review feedback, conflicts, and checks automatically via HydraFusion.
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