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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?'
})

Providers

Route requests across multiple providers. Copy a provider slug to set your preference. Visit the docs for more info. Using a provider means you agree to their terms, listed under Legal.

Provider
Context
Max Output
Latency
Throughput
Input
Output
Cache
Web Search
Capabilities
ZDR
No Training
Release Date
OpenAI
Legal:Terms
Privacy
200K100K
0.7s
91tps
$2/M
$8/M
Read:$0.5/M
Write:
$10/K
+ input costs
+3
04/16/2025