Claude Opus 5.5 launches with an embedded classifier that silently downgrades itself when users attempt AI kernel development on certain hardware -- including, unexpectedly, Amazon's Trainium3, the ...

Claude Opus 5.5 tackles complex coding and research tasks faster, with improved accuracy and 40% lower running costs.

Claude Opus 5.5 provide Fable 5.1-level performance on most work while Anthropic says typical workloads cost 40% less than ...

Anthropic on Tuesday launched Claude Opus 5.5, a new AI model that it ​says delivers performance comparable to its top-tier ...

Anthropic reports that Opus 5.5 performs better than recent Claude models across nearly every measure in its roughly ...

Anthropic says its new Claude Opus 5.5 model comes with stronger safeguards in the wake of recent rogue AI hacking incidents. In an announcement on Tuesday, Anthropic says Opus 5.5 comes with ...

Anthropic launched Claude Opus 5.5 with stronger coding and knowledge work performance while cutting typical running costs by ...

The company says Claude Opus 5.5 scores well on alignment measures, but that “public policy” will eventually need to step in ...