OpenAI: GPT-5.6 Terra

openai/gpt-5.6-terra

CHAT High tier ReasoningMultimodal Proprietary (API-only)

OpenAI: GPT-5.6 Terra (openai/gpt-5.6-terra) is a chat model from openrouter with a 1.1M-token context window; proprietary (API-only); capabilities tools, reasoning, vision; input image, pdf, text; output text.

1.1MContext

128KMax output

$2.5$ / 1M in

Pricing

Input: $2.5 / 1M tokens
Output: $15 / 1M tokens
Currency: USD
Note: Indicative US list price — verify with the vendor.

Indicative US list price — a reference only, verify with the vendor. Source: openrouter. Last verified 2026-07-24.

Specifications

Context window: 1,050,000 tokens (1.1M)
Max output: 128,000 tokens
Weights: Proprietary (API-only)
Input modalities: image pdf text
Output modalities: text
Knowledge cutoff: 2026-02-16
Release date: 2026-07-09

Capabilities

tools reasoning vision

Provenance

committedmodels-devopenrouter-api

Last verified: 2026-10-30

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