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GPT 5 Chat

GPT 5 Chat is a conversational variant of GPT-5 optimized for multi-turn dialogue, delivering the GPT-5 family's advanced capabilities in an interface tuned specifically for chat-based applications.

Tool UseImplicit CachingFile InputVision (Image)Reasoning
index.ts
import { streamText } from 'ai'
const result = streamText({
model: 'openai/gpt-5-chat',
prompt: 'Why is the sky blue?'
})

Playground

Try out GPT 5 Chat 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.