Claude Code v2.1.170
Claude Code v2.1.170 was released on .
Summary
- Introducing Claude Fable 5: a Mythos-class model that we’ve made safe for general use. Fable’s capabilities exceed those of any model we’ve ever made generally available. Update to version 2.1.17...
Release Context
- This was the 135th Claude Code release of 2026 tracked by Havoptic.
- It shipped 1 day after Claude Code v2.1.169 (June 8, 2026).
Shipped around the same time
Within 3 days of this release, other AI coding tools also shipped:
- Grok Build v0.2.51 (June 11, 2026)
- Grok Build v0.2.50 (June 11, 2026)
- Grok Build v0.2.49 (June 11, 2026)
- Gemini CLI v0.46.0 (June 10, 2026)
- Devin Desktop v3.1.7 (June 10, 2026)
Compare Claude Code
Release Notes
- Introducing Claude Fable 5: a Mythos-class model that we’ve made safe for general use. Fable’s capabilities exceed those of any model we’ve ever made generally available. Update to version 2.1.170 for access. https://www.anthropic.com/news/claude-fable-5-mythos-5
- Fixed sessions not saving transcripts (and not appearing in --resume) when launched from the VS Code integrated terminal or any shell that inherited Claude Code environment variables.
Other Recent Claude Code Releases
- v2.1.296 (October 9, 2026)
- v2.1.295 (October 8, 2026)
- v2.1.294 (October 8, 2026)
- v2.1.293 (October 7, 2026)
- v2.1.292 (October 6, 2026)
Upgrading from v2.1.170? See all 105 releases since.
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