Introducing Claude Opus 5
Anthropic releases Claude Opus 5, topping the Artificial Analysis leaderboard at Opus 4.8 pricing
“On one Frontier-Bench task, Opus 5 was given a drawing of a machine part and asked to write code to rebuild it as a 3D FreeCAD model. However, in this task, the model was intentionally given no way to directly viewthe drawing. Opus 5 responded by writing its own computer vision pipeline to pull the geometry from the raw pixels, then reconstructed the full machine part.”
Anthropic launched Claude Opus 5, a highly capable model that leads the Artificial Analysis leaderboard above even Fable 5 while matching Opus 4.8 pricing, making it a significant price-performance milestone. The model exhibits extreme agentic proactivity, demonstrated by autonomously building a computer vision pipeline to complete a task when given insufficient tools. Anthropic deliberately avoided training it on cyberattack exploitation despite near-frontier vulnerability detection ability, signaling a deliberate safety posture on dual-use capabilities.