""" Example of the fastest + smartest LLM for browser automation. Setup: 1. Get your API key from https://cloud.browser-use.com/new-api-key 2. Set environment variable: export BROWSER_USE_API_KEY="your-key" """ import asyncio import os from dotenv import load_dotenv from browser_use import Agent, ChatBrowserUse load_dotenv() if not os.getenv('BROWSER_USE_API_KEY'): raise ValueError('BROWSER_USE_API_KEY is not set') async def main(): # `bu-2-0` is the optimized default. ChatBrowserUse can also route to # provider-prefixed models (e.g. 'anthropic/claude-sonnet-4-6', 'openai/gpt-5.5', # 'google/gemini-3-pro') through the same gateway - see browser_use_provider_models.py. agent = Agent( task='Find the number of stars of the browser-use repo', llm=ChatBrowserUse(model='bu-2-0'), ) # Run the agent await agent.run() if __name__ == '__main__': asyncio.run(main())