o3
o3 is OpenAI's advanced reasoning model that succeeds o1, delivering stronger chain-of-thought performance on mathematical, scientific, and coding problems with improved efficiency and full tool support.
File InputImplicit CachingReasoningTool UseVision (Image)Web Search
index.ts
import { streamText } from 'ai'
const result = streamText({ model: 'openai/o3', prompt: 'Why is the sky blue?'})More models by OpenAI
| Model |
|---|
| 1M | 2.2s | 76tps | $5.00/M | $30.00/M | Read: $0.5/M Write: — | $10.00/K + input costs | — | +4 |    | 04/24/2026 | |||
| 400K | 1.0s | 171tps | $0.75/M | $4.50/M | Read:$0.07/M Write:— | $10.00/K + input costs | — | +4 | | 03/17/2026 | |||
| 1.1M | 1.2s | 79tps | $2.50/M | $15.00/M | Read: $0.25/M Write: — | $10.00/K + input costs | — | +4 | | 03/05/2026 | |||
| 400K | 3.1s | 157tps | $0.25/M | $2.00/M | Read:$0.03/M Write:— | $14/K + input costs | — | +4 | | 08/07/2025 | |||
| 1M | 0.4s | $0.10/M | $0.40/M | Read:$0.03/M Write:— | $14/K + input costs | — | +3 | | 04/14/2025 | ||||
| 128K | 0.5s | 58tps | $0.15/M | $0.60/M | Read:$0.07/M Write:— | $14/K + input costs | — | +3 | | 07/18/2024 |