GPT-3.5 Turbo
GPT-3.5 Turbo first brought ChatGPT-class conversational AI to the API at scale, delivering the same underlying capability at a price point that opened the door to production applications.
index.ts
import { streamText } from 'ai'
const result = streamText({ model: 'openai/gpt-3.5-turbo', prompt: 'Why is the sky blue?'})More models by OpenAI
| Model |
|---|
| 1M | 0.8s | 82tps | $5.00/M | $30.00/M | Read: $0.5/M Write: — | $10.00/K + input costs | — | +4 |    | 04/24/2026 | |||
| 400K | 1.2s | 240tps | $0.75/M | $4.50/M | Read:$0.07/M Write:— | $10.00/K + input costs | — | +4 | | 03/17/2026 | |||
| 400K | 0.6s | 155tps | $0.20/M | $1.25/M | Read:$0.02/M Write:— | $10.00/K + input costs | — | +4 | | 03/17/2026 | |||
| 1.1M | 2.7s | 73tps | $2.50/M | $15.00/M | Read: $0.25/M Write: — | $10.00/K + input costs | — | +4 | | 03/05/2026 | |||
| 131K | 0.2s | 343tps | $0.35/M | $0.75/M | Read:$0.25/M Write:— | — | — |   +5 | 08/05/2025 | ||||
| $0.02/M | — | — | | 01/25/2024 |