OpenAI: GPT-5.6 Terra

Vendor: openai|gpt-5.6-terra

Playground

Modalities

TextImagesText

Model multiplier

×1.5

Context

Released

Jul 9, 2026

Overview

The balanced GPT-5.6 tier between the flagship Sol and the budget Luna. Built for everyday coding, reasoning and agentic tasks at roughly half the price of Sol. 1M-token context.

Context

Max output

128,000

Released

Jul 9, 2026

Step-by-step reasoning

Yes

Balanced

Consumption multiplier

The model coefficient is a usage multiplier. Actual reference-token deductions are available in request logs.

Model multiplier

×1.5

Performance

Gateway metrics for the last 24 hours.

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FAQ

Are there any rate limits?

The default limit is request rate per key. Each key can be restricted by models, spend and IP in your dashboard.

How is billing calculated?

Usage is deducted per request, accounting for model, output and cache coefficients. The final reference-token usage is available in request logs.

Is streaming supported?

Yes, stream: true behaves exactly like in the OpenAI API — tokens arrive as they are generated.