Anthropic releases Claude Opus 4.1
5 augustus 2025 om 18:00 · 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, an upgrade of Opus 4 with improvements in coding and complex, long-running tasks.
Better at code
Opus 4.1 improved scores on software benchmarks and autonomous handling of multi-step work, and quickly became available via cloud platforms.
Fast pace
The release fit into the high release cadence of 2025, in which the major labs followed each other within months.
Source: Anthropic