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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# Browser Use Model - BU 2.0

**Date:** 2026-01-27
> +12% accuracy. Same speed. No tradeoffs.

---

![BU 2.0 benchmark comparison](https://browser-use.com/images/changelog/bu-2-0-benchmark.png)

BU 2.0 is here.

- **+12% accuracy** over BU 1.0 (74.7% → 83.3%)
- **Similar speed** — ~62s average task duration
- **Matches Claude Opus 4.5** accuracy while being **40% faster**

### Benchmark Results


| Model | Accuracy | Avg Task Duration |
| --- | --- | --- |
| BU 2.0 | 83.3% | 62s |
| BU 1.0 | 74.7% | 58s |
| Claude Opus 4.5 | 82.3% | 104s |
| Gemini 3 Pro | 81.7% | 143s |
| GPT-5.2 | 70.9% | 196s |


### Pricing


| Model | Input | Cached | Output |
| --- | --- | --- | --- |
| bu-1-0 / bu-latest | $0.20/1M | $0.02/1M | $2.00/1M |
| bu-2-0 | $0.60/1M | $0.06/1M | $3.50/1M |


### Quick Start

```python
import asyncio
from browser_use import Agent
from browser_use.llm import ChatBrowserUse

async def main():
    # Use the new bu-2-0 model
    llm = ChatBrowserUse(model="bu-2-0")

    agent = Agent(
        task="Your task here",
        llm=llm
    )

    result = await agent.run()
    return result

asyncio.run(main())
```

Get your API key at [cloud.browser-use.com](https://cloud.browser-use.com/new-api-key).