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Saurav Panda 9be28bcea1 feat(llm): default ChatBrowserUse to bu-2-0-mini-preview
Adds bu-2-0-mini-preview as an accepted model id and makes it the
constructor default, so a bare ChatBrowserUse() now routes there.

bu-2-0 is unchanged: still accepted, still documented as the premium
option, and bu-latest still resolves to it. Keeping 'latest' on the
stable line means existing callers pinned to that alias do not silently
move onto a preview model; only the bare-constructor default moves.

Pricing is registered alongside the model so cost tracking does not
silently report $0 for what is now the default. This model has no cache
discount, so cached reads bill at the input rate.

Examples, README and the model reference are updated to the new default.
The model reference also claimed bu-latest resolved to bu-1-0, which has
not been true since bu-2-0 shipped; corrected here.
2026-08-13 11:05:57 -07:00

52 lines
1.5 KiB
Python

"""
Generate CSV files with automatic normalization.
The agent's file system automatically normalizes CSV output using Python's csv module,
so fields containing commas, quotes, or empty values are properly handled per RFC 4180.
This means the agent doesn't need to worry about manual quoting — it's fixed at the
infrastructure level.
Common LLM mistakes that are auto-corrected:
- Unquoted fields containing commas (e.g. "San Francisco, CA" without quotes)
- Unescaped double quotes inside fields
- Inconsistent empty field handling
- Stray blank lines
"""
import asyncio
import os
import sys
sys.path.append(os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))))
from dotenv import load_dotenv
load_dotenv()
from browser_use import Agent, ChatBrowserUse
async def main():
agent = Agent(
task=(
'Go to https://en.wikipedia.org/wiki/List_of_largest_cities and extract the top 10 cities. '
'Create a CSV file called "top_cities.csv" with columns: rank, city name, country, population. '
'Make sure to include all cities even if some data is missing — leave those cells empty.'
),
llm=ChatBrowserUse(model='bu-2-0-mini-preview'),
)
history = await agent.run()
# Check the generated CSV file
if agent.file_system:
csv_file = agent.file_system.get_file('top_cities.csv')
if csv_file:
print('\nGenerated CSV content:')
print(csv_file.content)
print(f'\nFile saved to: {agent.file_system.get_dir() / csv_file.full_name}')
if __name__ == '__main__':
asyncio.run(main())