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)

---

# Our First Open-Source LLM

**Date:** 2025-12-16
> 30B params, 3B active. 200 tasks per $1.

---

![BU-30B-A3B-Preview benchmark](https://browser-use.com/images/changelog/bu-30b-benchmark.png)

BU-30B-A3B-Preview is here. 

- **30B total parameters** with only **3B active** at inference time
- **200 tasks per $1** — 4x more cost-efficient than BU 1.0
 
Try it out on the library or on our cloud:

```python
from browser_use import Agent
from browser_use.llm import ChatBrowserUse
 
# Initialize with the new model
llm = ChatBrowserUse(model="bu-30b-a3b-preview")
 
agent = Agent(
    task="Your task here",
    llm=llm
)
 
result = await agent.run()
```
 
Download from [Hugging Face](https://huggingface.co/browser-use/bu-30b-a3b-preview).