GPT-3.5 Turbo Instruct
GPT-3.5 Turbo Instruct is an instruction-tuned completion model designed for the legacy Completions endpoint, offering a direct prompt-in, text-out format suited to few-shot tasks, templated generation, and workflows that predate the chat message structure.
index.ts
import { streamText } from 'ai'
const result = streamText({ model: 'openai/gpt-3.5-turbo-instruct', prompt: 'Why is the sky blue?'})More models by OpenAI
| Model |
|---|
| 1.1M | 2.0s | 133tps | $1/M | $6/M | Read: $0.1/M Write: $1.25/M | $10/K + input costs | +4 |    | 07/09/2026 | |||
| 1.1M | 4.7s | 41tps | $5/M | $30/M | Read: $0.5/M Write: $6.25/M | $10/K + input costs | +4 | | 07/09/2026 | |||
| 1.1M | 0.9s | 99tps | $2.50/M | $15/M | Read: $0.25/M Write: $3.13/M | $10/K + input costs | +4 | | 07/09/2026 | |||
| 1.1M | 1.6s | 73tps | $2.50/M | $15/M | Read: $0.25/M Write: — | $10/K + input costs | +4 | | 03/05/2026 | |||
| 400K | 5.4s | 197tps | $0.05/M | $0.40/M | Read:$0.01/M Write:— | $14/K + input costs | +3 | | 08/07/2025 | |||
| 400K | 5.0s | 127tps | $0.25/M | $2/M | Read:$0.03/M Write:— | $14/K + input costs | +3 | | 08/07/2025 |