After launching Claude Sonnet 4.5 (late September) and Claude Haiku 4.5 (mid-October), Anthropic on Monday unveiled a new frontier AI model, Claude Opus 4.5, which features state-of-the-art (SOTA) ...

Anthropic PBC today launched Claude Opus 4.5, its new flagship large language model. The company says Opus 4.5 is its safest and most capable LLM yet. The model is rolling out a few weeks after the ...

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 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 released Claude Haiku 4.5 on Wednesday, a smaller and significantly cheaper artificial intelligence model that matches the coding capabilities of systems that were considered cutting-edge ...