BROWSER USE

- Browser Use Agents: give Browser Use a task and receive completed work. API V4 is current for new integrations.
- Browser Infrastructure: connect your agent or automation to managed browsers through SDK, REST, or CDP. Starts at $0.02/browser-hour.
- Developer tools: Open Source, Browser Harness, SDK, and MCP support the two products above.

[Developer Index](https://browser-use.com/index.md)
[Product Map](https://browser-use.com/llms.txt)
[Full Product Context](https://browser-use.com/llms-full.txt)
[Pricing](https://browser-use.com/pricing.md)
[Cloud Docs](https://docs.browser-use.com/cloud/quickstart)
[Open Source Docs](https://docs.browser-use.com/open-source/introduction)

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# Agent benchmarks: best LLM for browser agents

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

## Agent benchmarks.

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](https://browser-use.com/benchmarks/agents)[Browsers](https://browser-use.com/benchmarks/browsers)

-   OpenAI
-   Anthropic
-   xAI
-   DeepSeek
-   Z.ai
-   Browser Use

All reasoning efforts

#

Model

Score

95% range

Cost / task

Median time

1

[GPT-6.1 Sol medium](https://browser-use.com/benchmarks/models/gpt-6-1-sol)

79.6

76–83

$1.30

8 min

2

[GPT-6 Astra medium](https://browser-use.com/benchmarks/models/gpt-6-astra)

77.9

74–82

$10.77

9 min

3

[Claude Opus 5.5 high](https://browser-use.com/benchmarks/models/claude-opus-5-5)

75.0

71–79

$2.35

12 min

4

[GPT-6 Sol medium](https://browser-use.com/benchmarks/models/gpt-6-sol)

74.4

71–78

$1.02

6 min

5

[Grok 4.7 high](https://browser-use.com/benchmarks/models/grok-4-7)

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](https://browser-use.com/benchmarks/models/claude-sonnet-5-5)

72.7

69–77

$1.53

9 min

8

[Claude Fable 5.1 high](https://browser-use.com/benchmarks/models/claude-fable-5-1)

72.0

68–76

$5.19

17 min

9

[DeepSeek V4.1 Flash max](https://browser-use.com/benchmarks/models/deepseek-v4-1-flash)

70.9

67–75

18¢

18 min

10

[GPT-5.6 Luna xhigh](https://browser-use.com/benchmarks/models/gpt-5-6-luna)

69.6

66–73

28¢

15 min

11

[Claude Haiku 5.5 xhigh](https://browser-use.com/benchmarks/models/claude-haiku-5-5)

69.5

65–73

46¢

14 min

12

[GPT-6 Luna xhigh](https://browser-use.com/benchmarks/models/gpt-6-luna)

69.0

65–73

16¢

11 min

13

[Claude Opus 5](https://browser-use.com/benchmarks/models/claude-opus-5)

66.8

62–71

$4.72

19 min

14

[Claude Haiku 5.5 max](https://browser-use.com/benchmarks/models/claude-haiku-5-5)

65.3

61–70

$1.07

21 min

15

[Claude Haiku 5.5 high](https://browser-use.com/benchmarks/models/claude-haiku-5-5)

64.3

60–68

23¢

9 min

16

[GPT-6 Luna medium](https://browser-use.com/benchmarks/models/gpt-6-luna)

64.3

60–68

7.7¢

8 min

17

[GLM 5.3 FlashX max](https://browser-use.com/benchmarks/models/glm-5-3-flashx)

59.7

55–64

55¢

14 min

18

[Claude Haiku 5.5 medium](https://browser-use.com/benchmarks/models/claude-haiku-5-5)

53.4

50–57

9.2¢

5 min

19

[Claude Haiku 5.5 low](https://browser-use.com/benchmarks/models/claude-haiku-5-5)

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](https://github.com/browser-use/benchmark).

Each model

-   [GPT-6.1 Sol79.6](https://browser-use.com/benchmarks/models/gpt-6-1-sol)
-   [GPT-6 Astra77.9](https://browser-use.com/benchmarks/models/gpt-6-astra)
-   [GPT-6 Sol74.4](https://browser-use.com/benchmarks/models/gpt-6-sol)
-   [GPT-5.6 Luna69.6](https://browser-use.com/benchmarks/models/gpt-5-6-luna)
-   [GPT-6 Luna69.0](https://browser-use.com/benchmarks/models/gpt-6-luna)
-   [Opus 5.575.0](https://browser-use.com/benchmarks/models/claude-opus-5-5)
-   [Opus 566.8](https://browser-use.com/benchmarks/models/claude-opus-5)
-   [Sonnet 5.572.7](https://browser-use.com/benchmarks/models/claude-sonnet-5-5)
-   [Fable 5.172.0](https://browser-use.com/benchmarks/models/claude-fable-5-1)
-   [Haiku 5.569.5](https://browser-use.com/benchmarks/models/claude-haiku-5-5)
-   [Grok 4.773.3](https://browser-use.com/benchmarks/models/grok-4-7)
-   [DeepSeek V4.1 Flash70.9](https://browser-use.com/benchmarks/models/deepseek-v4-1-flash)
-   [GLM 5.3 FlashX59.7](https://browser-use.com/benchmarks/models/glm-5-3-flashx)

[Run your tasks in the cloud](https://cloud.browser-use.com/v4?utm_source=browser-use&utm_medium=benchmark-models)

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

Internal Bench HardOnlineMind2WebBU 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

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

Internal Bench Hard · updated 2026-08-01 · [all benchmarks](https://browser-use.com/benchmarks/agents)
