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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?'
})
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Playground

Try out GPT-5 nano by OpenAI. Usage is billed to your team at API rates. Free users (those who haven't made a payment) get $5 of credits every 30 days.