Browser Use Bench v2.1 | 180 tasks | October 29, 2026

Kimi K3.1 Pro on real browser tasks.

#8 of 40. GPT-6.1 Sol medium scores 2.9 points higher for 1.5× less.

Ran on Moonshot's fast tier through OpenRouter; cost repriced to Moonshot's standard per-token price.

Score76.7

Cost / task$1.89

Median time9 min

180 long tasks on live websites, the same for every model, run in the open-source BrowserCode harness (Browser Use's own agent runs in ours). Mean weighted rubric score per task, 0-100. Estimated model cost per task in USD. Excludes search, judge, browser and runner costs. Runner and encrypted tasks: github.com/browser-use/benchmark.

Compare |full leaderboard

GPT-6.1 Terra79.0
GPT-6.1 Sol81.3
GPT-6 Astra77.9
GPT-6 Sol79.4
GPT-5.6 Luna69.6
GPT-6 Luna69.2
Opus 5.575.0
Opus 566.8
Sonnet 5.572.7
Fable 5.172.0
Haiku 5.569.5
Grok 4.773.3
DeepSeek V4.1 Flash70.9
DeepSeek V4.1 Flash 101775.0
GLM 5.3 FlashX59.7
MiniMax M3.1 Flash50.6

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