All models

GPT-5.6 Terra

OpenAI model, released 9 Jul 2026.

$2.00
per 1M input tokens
$12.00
per 1M output tokens
$0.2
per 1M cached-read tokens
Calculate what your real prompts cost on GPT-5.6 Terra

Price history

input $/1M output $/1M9 Jul 202617 Aug 2026

Specifications

Lab
OpenAI
Released
9 Jul 2026
Context window
1.1M tokens
Max output
128k tokens
Input modalities
file, image, text
Output modalities
text
Knowledge cutoff
2026-02-16
Open source
No

Benchmarks

BenchmarkCategoryScoreAs of
LMArena (Chatbot Arena)coding1484 (1474.81493.2)12 Aug 2026
LMArena (Chatbot Arena)overall1445.9 (1440.31451.5)12 Aug 2026

LMArena (Chatbot Arena) data © their authors, CC-BY-4.0

Frequently asked questions

How much does GPT-5.6 Terra cost?

GPT-5.6 Terra costs $2.00 per 1M input tokens and $12.00 per 1M output tokens (list price, updated every 6 hours).

What is GPT-5.6 Terra's context window?

GPT-5.6 Terra supports a 1.1M-token context window with up to 128k output tokens.

Related models