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GPT-5 mini

GPT-5 mini delivers GPT-5 family intelligence at a reduced cost tier, making advanced reasoning, coding, and multimodal capabilities accessible for high-volume production workloads where full GPT-5 pricing is impractical.

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

Playground

Try out GPT-5 mini 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.