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GPT-5.6 Terra

Balanced tier of the GPT-5.6 family.

currentOpenAI ↗Verified 2026-08-13

Balanced

tier

Specifications

Context1M+
LicenceProprietary

Official links

OpenAI official site

Compare with

All 5 side by side →

GPT-5.6 Terra vs GPT-6 Astra →GPT-5.6 Terra vs Claude Fable 5.1 →GPT-5.6 Terra vs Claude Fable 5 →GPT-5.6 Terra vs Claude Opus 5.5 →GPT-5.6 Terra vs GPT-6.1 Sol →

Also in Language Models

GPT-6 Astra · OpenAIClaude Fable 5.1 · AnthropicClaude Fable 5 · AnthropicClaude Opus 5.5 · AnthropicGPT-6.1 Sol · OpenAI