Anthropic unveils Claude Opus 4.6 with breakthrough 1M token context window, outperforming GPT-5.2 by 144 Elo points on finance tasks and achieving top scores on Terminal-Bench 2.0 and Humanity's Last Exam benchmarks.

Anthropic introduces Claude Opus 4.6 featuring agent teams that coordinate in parallel, 1M token context window, and state-of-the-art performance.