Nundina › Discover calendars › AI Lab Releases calendar › Anthropic launches Claude Fable 5.1Anthropic launches Claude Fable 5.11 September 2026We've launched Claude Fable 5.1 (claude-fable-5-1), the successor to Claude Fable 5 for long-running agentic coding, knowledge work, and research, alongside Claude Mythos 5.1 (claude-mythos-5-1) for Project Glasswing...AI Lab Releases calendarMore from this calendar

22 October 2026 - Anthropic launches Claude Models on Google Cloud

21 October 2026 - Anthropic releases API version 2026-10-21

20 October 2026 - Anthropic launches user profiles

15 October 2026 - Anthropic: We've added capabilities.thinking.types.between_tools to the Models API.

14 October 2026 - Anthropic launches OpenTelemetry export in beta