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Documentation Index

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1

Define the schema

from pydantic import BaseModel

class Weather(BaseModel):
    location: str
    temperature_c: float
    condition: str
2

Call generate_object

from ai_sdk import openai, generate_object

model = openai("gpt-4.1-mini", temperature=0)

res = generate_object(
model=model,
schema=Weather,
prompt="Return the current weather in Berlin as JSON (no extra text).",
)
print(res.object)
Expected output (Pydantic instance): 
Weather(location='Berlin', temperature_c=18.3, condition='Sunny')
If the model sends invalid JSON, the helper retries parsing and raises a clear exception if validation ultimately fails.