GPT-5.6 Terra

medium

Creator

OpenAI

Released

2026-07-09

Intelligence

45.6

Artificial Analysis Index

Coding

64.7

Artificial Analysis Index

In $/1M

$2.50

input tokens

Out $/1M

$15.00

output tokens

Blended $/1M

$5.63

3:1 blended

Speed

119

tokens / sec

Benchmark breakdown

Independent evaluation scores, normalized to 0–100.

GPQA Diamond
87
Humanity’s Last Exam
32
MMLU-Pro
SciCode
50
LiveCodeBench
MATH-500
AIME 2025
τ²-Bench (agentic)
73
Terminal-Bench Hard
IFBench
62
Via Artificial Analysis
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