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:

Compare Claude Code: vs OpenAI Codex CLI · vs Cursor · vs Gemini CLI · vs Kiro CLI · vs GitHub Copilot CLI · vs Devin Desktop · vs Antigravity CLI

Release Notes

View original release

Other Recent Claude Code Releases

All Claude Code releases · All AI coding tool releases on Havoptic