import asyncio from browser_use.llm import ContentText from browser_use.llm.groq.chat import ChatGroq from browser_use.llm.messages import SystemMessage, UserMessage llm = ChatGroq( model='meta-llama/llama-4-maverick-17b-128e-instruct', temperature=0.5, ) # llm = ChatOpenAI(model='gpt-4.1-mini') async def main(): from pydantic import BaseModel from browser_use.tokens.service import TokenCost tk = TokenCost().register_llm(llm) class Output(BaseModel): reasoning: str answer: str message = [ SystemMessage(content='You are a helpful assistant that can answer questions and help with tasks.'), UserMessage( content=[ ContentText( text=r"Why is the sky blue? write exactly this into reasoning make sure to output ' with exactly like in the input : " ), ContentText( text=""" The user's request is to find the lowest priced women's plus size one piece swimsuit in color black with a customer rating of at least 5 on Kohls.com. I am currently on the homepage of Kohls. The page has a search bar and various category links. To begin, I need to navigate to the women's section and search for swimsuits. I will start by clicking on the 'Women' category link.""" ), ] ), ] for i in range(10): print('-' * 50) print(f'start loop {i}') response = await llm.ainvoke(message, output_format=Output) completion = response.completion print(f'start reasoning: {completion.reasoning}') print(f'answer: {completion.answer}') print('-' * 50) if __name__ == '__main__': asyncio.run(main())