Claude Opus 4.8 (fast mode) is now in preview for GitHub Copilot
PreviewVerifiedAdded Sep 22, 2026
Claude Opus 4.8 (fast mode) is now rolling out in preview on GitHub Copilot. Fast mode delivers significantly faster output token speeds while maintaining the same intelligence as Claude Opus 4.8, making it well suited for interactive coding and agentic workflows where responsiveness matters.
Topics: AI agents, LLMs, Governance, Pricing, Developer tools
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More GitHub Copilot releases
Every GitHub Copilot release| Date | Release | Type |
|---|---|---|
| Jun 30 | Claude Sonnet 5 is generally available for GitHub Copilot GA | GA |
| Jun 30 | Copilot Agent is now available in JetBrains AI Assistant Update | Update |
| Jun 30 | Per-user AI credit budgets available for cost centers Pricing | Pricing |
| Jul 1 | Enterprises can default to auto model selection Update | Update |
| Jul 1 | GitHub Models is being fully retired on July 30, 2026 Deprecation | Deprecation |
| Jul 1 | Enterprise managed-settings.json is generally available GA | GA |
| Jul 1 | New C++ language server config skill for Copilot CLI Update | Update |
| Jul 1 | Kimi K2.7 Code is generally available in GitHub Copilot GA | GA |
