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 ...

Anthropic today released Opus 4.5, its flagship frontier model, and it brings improvements in coding performance, as well as some user experience improvements that make it more generally competitive ...

Anthropic today announced the launch of Claude Opus 4.5, which it says is the "best model in the world for coding, agents, and computer use." It's improved over prior models for everyday tasks like ...

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 is pushing its flagship Claude line deeper into everyday productivity, positioning the new Opus 4.5 model as a kind of AI power user for Chrome, Excel, and code-heavy workflows. Rather than ...

Microsoft has introduced Anthropic's Claude Opus 4.5 model in public preview in Microsoft Foundry, while also making it available through GitHub Copilot paid plans and Microsoft Copilot Studio. The ...

What if a machine could think, reason, and even make ethical decisions as well as, or better than, a human? With the release of Claude Opus 4.5, that question feels less like science fiction and more ...