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. Your use subject to OpenAI's Terms & Privacy Policies.
File InputReasoningTool UseVision (Image)Implicit Caching
index.ts
import { streamText } from 'ai'
const result = streamText({ model: 'openai/o1', prompt: 'Why is the sky blue?'})More models by OpenAI
| Model |
|---|
| 1.1M | 1.3s | 46tps | $1/M | $6/M | Read: $0.1/M Write: $1.25/M | $10/K + input costs | +4 |    | 07/09/2026 | |||
| 1.1M | 4.2s | 66tps | $5/M | $30/M | Read: $0.5/M Write: $6.25/M | $10/K + input costs | +4 | | 07/09/2026 | |||
| 400K | 4.3s | 195tps | $0.05/M | $0.40/M | Read:$0.01/M Write:— | $14/K + input costs | +3 | | 08/07/2025 | |||
| 400K | 3.2s | 160tps | $0.25/M | $2/M | Read:$0.03/M Write:— | $14/K + input costs | +3 | | 08/07/2025 | |||
| 131K | 0.2s | 483tps | $0.35/M | $0.75/M | Read:$0.25/M Write:— | — |   +5 | 08/05/2025 | ||||
| 131K | 0.2s | 770tps | $0.07/M | $0.30/M | Read:$0.04/M Write:— | — |   +4 | 08/05/2025 |