Anthropic on Monday announced Claude Sonnet 4.5, an update the company describes as focused on coding and agent-based workflows. The company said the model demonstrates improvements in reasoning, math ...

The new model shows significant gains in technical benchmarks. On the SWE-bench Verified evaluation, which tests real-world software coding skills, Claude Sonnet 4.5 achieves state-of-the-art results.

A growing online petition has called for Anthropic to reconsider the planned retirement of its Claude Sonnet 4.5 model, as ...

Sonnet 4.6, Anthropic’s latest AI model, is designed to enhance productivity for developers and knowledge workers by excelling in coding optimization and long-context reasoning. According to Prompt ...