11 releases · 3 products · 2 GA · 2 Deprecation
Claude Sonnet 5 supports a 1M token context, 128k max output and the same tools as Sonnet 4.6 except Priority Tier. Migrating teams should note that adaptive thinking is on by default and manual extended thinking changes.
Anthropic launched Claude Sonnet 5, with improvements over Sonnet 4.6 in reasoning, tool use, coding, and knowledge work.
Requests to claude-opus-4-6 with speed fast now run at standard speed and standard rates without erroring, and usage.speed reports the speed used. Migrate to Claude Opus 4.8 to keep fast mode.
Claude Sonnet and Haiku rate limits now match Claude Opus at every tier, and tiers are consolidated into Start, Build and Scale. No organization gets lower limits and no action is required.
After July 24, 2026, requests to claude-opus-4-7 with speed fast will return an error. Anthropic recommends migrating to fast mode on Claude Opus 4.8.
Admins on Team and Enterprise plans can now require members to verify their device before viewing or steering local Claude Code sessions remotely.
Releasesby Glyph