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GPT-5 nano

GPT-5 nano is the fastest and most affordable model in the GPT-5 family, designed for high-throughput, low-latency tasks like classification, routing, autocomplete, and lightweight inference at scale.

File InputReasoningTool UseVision (Image) Image GenImplicit Caching
index.ts
import { streamText } from 'ai'
const result = streamText({
model: 'openai/gpt-5-nano',
prompt: 'Why is the sky blue?'
})

Providers

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Provider
Context
Latency
Throughput
Input
Output
Cache
Web Search
Per Query
Capabilities
ZDR
No Training
Release Date
Azure
Legal:Terms
Privacy
400K
4.9s
960tps
$0.05/M$0.40/M
Read:$0.01/M
Write:
$14/K
+ input costs
08/07/2025
OpenAI
Legal:Terms
Privacy
400K
6.1s
139tps
$0.05/M$0.40/M
Read:$0.01/M
Write:
$10.00/K
+ input costs
+1
08/07/2025