Build AI Agents
with PydanticAI

from pydantic_ai import Agent

agent = Agent(
    'openai:gpt-4o',
    instructions='You are a helpful assistant.'
)

@agent.tool_plain
def get_weather(city: str) -> str:
    """Get current weather for a city."""
    return f"Sunny, 25°C in {city}"

result = agent.run_sync('What is the weather in Dubai?')
print(result.output)
# Output: The weather in Dubai is sunny and 25°C.