SIGNAL / TOOLS

Claude Opus 5.5 is now available in GitHub Copilot

SOURCEGitHub
PUBLISHEDSeptember 22, 2026
LAYERTools
SIGNAL SCORE70/100

SOURCE SUMMARY

Claude Opus 5.5, Anthropic’s newest Opus model, is now available in GitHub Copilot. You can use it for agentic coding, long-running agentic tasks, and knowledge work. In early testing, Opus… The post Claude Opus 5.5 is now available in GitHub Copilot appeared first on The GitHub Blog .

WHY IT MATTERS

Tool and platform changes matter when they alter what users or developers can actually do. The practical impact depends on availability, supported workflows, pricing or limits, and whether the change is generally released or still restricted.

WHAT TO VERIFY

Verify the exact claims, benchmarks, pricing, rollout status, safety notes and technical limitations in the original source. SXF adds organization and context; it does not replace the publisher’s documentation.

TOPICSGitHub CopilotAI AgentsCoding AI
MODELSClaude Opus 5.5