Arena ranks Claude Opus 5.5 (Max) first on Image-to-WebDev Arena, Sonnet 5.5 second

Arena says Claude Opus 5.5 (Max) ranks first on its Image-to-WebDev Arena with 1749 points, and Claude Sonnet 5.5 (xHigh) ranks second with 1740 points.

Both models sit on the Pareto frontier, Arena says.

Arena lists Opus 5.5 at $16 per million blended input/output tokens and Sonnet 5.5 at $8 per million, 50% less than Opus for a 9-point score gap. It puts GPT-6 Astra at $40 per million, 60% above Opus's price. Arena says it will evaluate Claude Haiku 5.5 next.