On Monday, Anthropic announced Opus 4.5, the latest version of its flagship model. It’s the last of Anthropic’s 4.5 series of models to be released, following the launch of Sonnet 4.5 in September and ...

Anthropic on Monday announced Claude Opus 4.5, its third major AI model launch in two months. The model excels at coding, using computers and assisting users with complex enterprise tasks, the company ...

Anthropic released its most capable artificial intelligence model yet on Monday, slashing prices by roughly two-thirds while claiming state-of-the-art performance on software engineering tasks — a ...

Opus 4.5 failed half my coding tests, despite bold claims File handling glitches made basic plugin testing nearly impossible Two tests passed, but reliability issues still dominate the story I've got ...