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o1

o1 is the production reasoning model that combines extended chain-of-thought computation with full tool support, structured outputs, vision, and a reasoning_effort parameter, delivering deeper problem-solving at 60% fewer reasoning tokens than o1-preview.

File InputReasoningTool UseVision (Image)Implicit Caching
index.ts
import { streamText } from 'ai'


const result = streamText({
  model: 'openai/o1',
  prompt: 'Why is the sky blue?'
})
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Playground

Try out o1 by OpenAI. Usage is billed to your team at API rates. Free users (those who haven't made a payment) get $5 of credits every 30 days.