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GPT 5.6 Terra (Fast)

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.

Input and output price
Input $4, Output $24, Per 1M tokens
24h uptime
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Base model
Get API keyRead the docs
import { streamText } from 'ai'


const result = streamText({
  model: 'openai/gpt-5.6-terra-fast',
  prompt: 'Why is the sky blue?'
})
Read docs

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Provider
Context
Max Output
Latency
Throughput
Input
Output
Cache
Web Search
Capabilities
ZDR
No Training
Regional Inference
Free Tier
Release Date
OpenAI
Legal:Terms•Privacy
1.1M128K5.4 s48 tps
$4/M+2 more
$24/M+2 more
Read$0.40/M
Write$5/M
$10/K
+4
US
07/09/2026

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