Anthropic releases Claude Opus 5.5, calling it most powerful
Anthropic released Claude Opus 5.5, saying it is its most powerful AI model to date and that it matches its Claude Fable 5.1 on most tasks while costing 40% less, according to the company.
5, which it said is its most powerful AI model to date, with performance it said matches its top-tier system at a significantly lower price. 1 model on most tasks while costing 40% less to use.