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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.

text + image + file → text · made by OpenAI

$4$24per Mtok in / out
Vercel AI Gateway

Sold by 1 way

SellerLaneRate
Vercel AI Gateway aggregatorstandard$4per Mtok in$24per Mtok out$0.4per Mtok cached$5per Mtok cache writeai-gateway.vercel.sh · read 2026-08-25

About

GPT 5.6 Terra (Fast) — a text model from OpenAI, sold by one company from $4 in and $24 out per million tokens.

It takes text, images and files and returns text, with a context window of 1,050,000 tokens. It was published in July 2026, trained on material up to February 2026. Its sellers say it can reason step by step and call a tool. The catalogue files it under chat. Only Vercel AI Gateway sells it, at $4 in and $24 out per million tokens.

Every current figure

Maker
OpenAI
Register
model
Takes
text + image + file
Returns
text
Context
1,050,000 tokens
Longest answer
128,000 tokens
Published
July 2026
Knowledge to
February 2026
Licence
not read
Sellers
1
Maker's own price
not read
Price
$4 in and $24 out per million tokens — Vercel AI Gateway

Known as 1 name

openai/gpt-5.6-terra-fast