Opus 4.6

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AI joins the 8-hour work day as GLM ships 5.1 open source LLM, beating Opus 4.6 and GPT-5.4 on SWE-Bench Pro

Xiaomi stuns with new MiMo-V2-Pro LLM nearing GPT-5.2, Opus 4.6 performance at a fraction of the cost

"Added 1M context window for Opus 4.6 by default for Max, Team, and Enterprise"

1M context is now generally available for Opus 4.6 and Sonnet 4.6

We tasked Opus 4.6 using agent teams to build a C Compiler

Anthropic releases Opus 4.6 with new ‘agent teams’