AI will have a vast impact on the world. Anthropic is a public benefit corporation dedicated to securing its benefits and mitigating its risks.
Our most capable Opus model, faster and costs 40% less to run.
Opus 5.5 performs at the level of Fable 5.1 on most work, and costs 40% less to run than Opus 5 on typical workloads.
Our most advanced models for coding and knowledge work. Their research capabilities also offer an early glimpse of how AI models will contribute to scientific progress.
Our most agentic Sonnet yet, with top tier intelligence for coding and everyday professional work.