ai-agent-book/chapter9/browser-use-rpa/browser-use/examples/browser/parallel_browser.py

import asyncio

from browser_use import Agent, Browser, ChatOpenAI

# NOTE: This is still experimental, and agents might conflict each other.


async def main():
	# Create 3 separate browser instances
	browsers = [
		Browser(
			user_data_dir=f'./temp-profile-{i}',
			headless=False,
		)
		for i in range(3)
	]

	# Create 3 agents with different tasks
	agents = [
		Agent(
			task='Search for "browser automation" on Google',
			browser=browsers[0],
			llm=ChatOpenAI(model='gpt-4.1-mini'),
		),
		Agent(
			task='Search for "AI agents" on DuckDuckGo',
			browser=browsers[1],
			llm=ChatOpenAI(model='gpt-4.1-mini'),
		),
		Agent(
			task='Visit Wikipedia and search for "web scraping"',
			browser=browsers[2],
			llm=ChatOpenAI(model='gpt-4.1-mini'),
		),
	]

	# Run all agents in parallel
	tasks = [agent.run() for agent in agents]
	results = await asyncio.gather(*tasks, return_exceptions=True)

	print('🎉 All agents completed!')


if __name__ == '__main__':
	asyncio.run(main())