Browser Use Bench v2.1 | 180 tasks | October 7, 2026

Agent benchmarks.

Name: Browser Use Bench v2.1 model results
Creator: Browser Use

GPT-6.1 Sol medium scores highest at 79.6. Browser Use's own agent scores 72.9 at 11¢ a task, level with Claude Sonnet 5.5 high at 14× less.

Agents Browsers

OpenAI
Anthropic
xAI
DeepSeek
Z.ai
Browser Use

#	Model	Score	95% range	Cost / task	Median time
1	GPT-6.1 Sol medium	79.6	76–83	$1.30	8 min
2	GPT-6 Astra medium	77.9	74–82	$10.77	9 min
3	Claude Opus 5.5 high	75.0	71–79	$2.35	12 min
4	GPT-6 Sol medium	74.4	71–78	$1.02	6 min
5	Grok 4.7 high	73.3	70–77	$3.46	18 min
6	Browser Use (BU fast)	72.9	69–77	11¢	9 min
7	Claude Sonnet 5.5 high	72.7	69–77	$1.53	9 min
8	Claude Fable 5.1 high	72.0	68–76	$5.19	17 min
9	DeepSeek V4.1 Flash max	70.9	67–75	18¢	18 min
10	GPT-5.6 Luna xhigh	69.6	66–73	28¢	15 min
11	Claude Haiku 5.5 xhigh	69.5	65–73	46¢	14 min
12	GPT-6 Luna xhigh	69.0	65–73	16¢	11 min
13	Claude Opus 5	66.8	62–71	$4.72	19 min
14	Claude Haiku 5.5 max	65.3	61–70	$1.07	21 min
15	Claude Haiku 5.5 high	64.3	60–68	23¢	9 min
16	GPT-6 Luna medium	64.3	60–68	7.7¢	8 min
17	GLM 5.3 FlashX max	59.7	55–64	55¢	14 min
18	Claude Haiku 5.5 medium	53.4	50–57	9.2¢	5 min
19	Claude Haiku 5.5 low	45.6	42–50	2.7¢	2 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.

Each model

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›Earlier benchmarks: Internal Bench Hard, OnlineMind2Web, BU Bench V1

Internal Bench Hard

Browser Use: 82% of tasks solved at 17¢ each. That is 20 points better than Opus 5, which costs 20× more per solved task.

Toolstrict accuracyCost

Browser Use82%$0.17

Opus 562%$3.40

Gemini 3.1 Pro59%$2.20

Sonnet 559%$1.55

GPT-5.652%$1.10

Gemini 3.6 Flash46%$0.62

GPT-537%$0.44