Opus 4.6 launch

06 Feb 2026 ·Week of Feb 8

Opus 4.6 launch.

context compaction (beta) and 1M context window, enables longer agentic tasks without loosing context.
they claim it has found 500 Zero-Day Flaws in open-source projects (yet to see the proofs though)
agent teams, multiple agent coordinates with a leader agent. https://code.claude.com/docs/en/agent-teams