GPT 5.6 Terra
GPT-5.6 Terra is a balanced GPT-5.6 model for everyday work, with performance comparable to the previous generation at half the cost.
ReasoningWeb SearchFile InputTool UseVision (Image)Implicit CachingWebsockets
index.ts
import { streamText } from 'ai'
const result = streamText({ model: 'openai/gpt-5.6-terra', prompt: 'Why is the sky blue?'})Providers
Route requests across multiple providers. Copy a provider slug to set your preference. Visit the docs for more info. Using a provider means you agree to their terms, listed under Legal.
| Provider |
|---|
| 1.1M | 128K | 2.2s | 16tps | $2.50/M | $15/M | Read: $0.25/M Write: $3.13/M | $10/K + input costs | +4 | 07/09/2026 | |||
| 1.1M | 128K | 1.5s | 76tps | $2.50/M | $15/M | Read: $0.25/M Write: $3.13/M | $14/K + input costs | +3 | 07/09/2026 | |||
| 272K | 272K | $2.75/M | $16.50/M | Read: $0.28/M Write: $3.44/M | $10/K + input costs | +3 | 07/09/2026 |
