Search

github.blog › changelog

Claude Opus 4.8 (fast mode) is now in preview for GitHub Copilot - GitHub Changelog

… Fast mode for Claude Opus 4.8 is offered at a reduced cost compared to previous fast modes, though it still costs more than standard Claude Opus 4.8. See GitHub Copilot’s pricing for models and requests for details. …

Jun 29, 2026 · Allison

github.blog › changelog

Claude Fable 5 is generally available for GitHub Copilot - GitHub Changelog

… Continue reading for more details. In our internal benchmarks on autonomous coding workflows, Fable 5 completed equivalent work with fewer tool calls and lower token consumption than previous Opus-tier models. …

Jun 9, 2026 · Dylan Birtolo

github.blog › changelog

Data residency (US + EU) and FedRAMP-authorized models now available in Copilot - GitHub Changelog

… Model availability A broad set of models is available at launch across both OpenAI and Anthropic, including GPT-5.4, Claude Sonnet 4.6, Claude Opus 4.6, and more. …

Apr 13, 2026 · Allison