Mini toolsClaude Opus 4.5
Overview
Claude Opus 4.5 is Anthropic’s top model for hard reasoning, coding, and long-horizon agents. It improves math, vision, tool use, and safety compared with earlier Claude models.
About Anthropic
Anthropic is a technology company specializing in artificial intelligence and machine learning solutions.
Benchmark scores
How Claude Opus 4.5 ranks on tracked AI benchmarks. Click any benchmark to see its full leaderboard.
Compare across all benchmarks →Tools using Claude Opus 4.5
-
Claude — v5
Claude Opus 5
Coding and long, multi step tasks: big jump over Opus 4.8, close to Anthropic's top tier model (Fable 5) at half the cost.
Science and research: stronger at chemistry and biology related tasks.
Visuals: better looking charts, diagrams, slides, and interactive content.
Judgment: better at catching its own mistakes and fixing them without you having to point it out.
The strongest model available on Claude Pro.
Also usable via the API as claude-opus-5.
