Anthropic rolls out Claude Opus 4.1 with improved software engineering accuracy
In May, AI firm Anthropic introduced its Claude 4 family of models with a focus on improvements to coding, reasoning, and following instructions. Three months later, Anthropic is back with Claude Opus 4.1, which it says upgrades “agentic tasks, real-world coding, and reasoning.” Anthropic says Claude Opus 4.1 improves software engineering accuracy to 74.5%. That compares to 62.3% with Claude Sonnet 3.7 and 72.5% with Claude Opus 4. More specifically, the updated model is better at “in-depth res