GPT-5.6 Terra

Last updated: August 11, 2026

Specs

Vendor	OpenAI
Released	July 9, 2026
Context window	1.05M tokens
Input	$1 / M tokens
Output	$6 / M tokens

Benchmarks

Strengths

The balanced tier: a fifth of Sol's price, same context
Sensible default for most production work
Document and image input included

Weaknesses

Gives ground to Sol on the hardest reasoning
Still pricier than Luna for high-volume chat

Best for

General-purpose production assistants
RAG over big corpora
Coding copilots on a budget

Compare with other AI models