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. Your use subject to OpenAI's Terms & Privacy Policies.
File InputImplicit CachingReasoningTool UseVision (Image)Web Search
import { streamText } from 'ai'
const result = streamText({ model: 'openai/o3', prompt: 'Why is the sky blue?'})More models by OpenAI
| Model |
|---|
| 1.1M | 1.4s | 133tps | $1/M$0.20/M +1 more | $6/M$1.20/M +1 more | Read: $0.1/M$0.02/M+1 more Write: $1.25/M$0.25/M+1 more | $10/K + input costs | +4 |    | 07/09/2026 | |||
| 1.1M | 2.7s | 95tps | $5/M+1 more | $30/M+1 more | Read: $0.5/M+1 more Write: $6.25/M+1 more | $10/K + input costs | +4 | | 07/09/2026 | |||
| 400K | 0.5s | 51tps | $0.20/M | $1.25/M | Read:$0.02/M Write:— | $10/K + input costs | +4 | | 03/17/2026 | |||
| 400K | 6.3s | 195tps | $0.05/M | $0.40/M | Read:$0.01/M Write:— | $14/K + input costs | +3 | | 08/07/2025 | |||
| 400K | 3.9s | 167tps | $0.25/M | $2/M | Read:$0.03/M Write:— | $14/K + input costs | +3 | | 08/07/2025 | |||
| 131K | 0.1s | 483tps | $0.35/M | $0.75/M | Read:$0.25/M Write:— | — |   +5 | 08/05/2025 |