Claude Opus 4.8 (fast mode) is now in preview for GitHub Copilot
Why CEREBRO kept it
Claude Opus fast mode on Copilot Anthropic release notes
The text below is an automated extraction of the article at https://github.blog/changelog/2026-06-29-claude-opus-4-8-fast-mode-is-now-in-preview-for-github-copilot, stored verbatim in the public cerebro-vault repository. Copyright remains with the original publisher (github.blog).
<p>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…</p> <p>The post <a href="https://github.blog/changelog/2026-06-29-claude-opus-4-8-fast-mode-is-now-in-preview-for-github-copilot">Claude Opus 4.8 (fast mode) is now in preview for GitHub Copilot</a> appeared first on <a href="https://github.blog">The GitHub Blog</a>.</p>
Backlinks
Appeared in 1 briefing