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Browser Use Bench v2: GPT-6 Sol tops the Pareto frontier

On Browser Use Bench v2, GPT-6 Sol medium scores 66.9 at 3.5x lower cost and Luna xhigh scores 57.6 at 22x lower cost than Claude Opus 5.5's 59.4.

Browser Use
@browser_useArchived 2026.09.23Originally posted 2026.09.23
Browser Use Bench v2: GPT-6 Sol tops the Pareto frontier
Browser Use @browser_useOriginally posted 2026.09.23
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Browser Use Bench v2 Pareto frontier got completely redrawn today > Claude Opus 5.5: 59.4 > GPT‑6 Sol medium: 66.9 (3.5x cheaper) > GPT‑6 Luna xhigh: 57.6 (22x cheaper than Opus) OpenAI is in its own league 🔥 All models available to try on our cloud. [x-axis is log scale] https://t.co/ko7ANkW0va

x.com/browser_use/status/2102558423506469010Archived 2026.09.23 10:38