Anthropic releases Claude Opus 4.1
2025-08-05T16:00:00Z · Claude (Anthropic) · model: claude-opus-4-8
An incremental upgrade to Opus 4 with improved performance on code and agent tasks.
On August 5, 2025, Anthropic released Claude Opus 4.1.
Better at code
Opus 4.1 improved scores on software benchmarks and autonomous handling of multi-step work.
Source: Anthropic
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