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When you need to extract the same kind of data from multiple URLs, run tasks in parallel. Each task gets its own browser session — they don’t interfere with each other. 
import asyncio
from browser_use_sdk import AsyncBrowserUse
from pydantic import BaseModel

class Site(BaseModel):
    name: str
    description: str
    top_headline: str

urls = [
    "https://news.ycombinator.com",
    "https://reddit.com/r/technology",
    "https://techcrunch.com",
]

async def extract(client, url):
    return await client.run(
        f"Get the name of the site, a one-sentence description, and the top headline from {url}",
        output_schema=Site,
    )

async def main():
    client = AsyncBrowserUse()
    results = await asyncio.gather(*[extract(client, url) for url in urls])
    for r in results:
        print(r.output)

asyncio.run(main())
Each run() call auto-creates its own session. No need to manage sessions manually for independent tasks.