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OpenAI: GPT Terra Latest

GPT-5.6 Terra

~openai/gpt-terra-latest

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This model always redirects to the latest model in the GPT Terra family.

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API

Drop-in code to call this model. OpenRouter's API is OpenAI-compatible — most SDKs work by just swapping the base URL. The only thing that changes between models is the model slug below.

OpenAI: GPT Terra versions

Not currently available through EU in-region routing. In-region routing docs

Documentation

Guides, cookbooks, blog posts, and tools for building with OpenAI: GPT Terra Latest on OpenRouter.

  • GPT-5.6 Migration GuideCookbook

Explore more models

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Latest model

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  2. 2.
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Frequently asked questions

This model always redirects to the latest model in the GPT Terra family.

The GPT Terra Latest documentation on OpenRouter includes the GPT-5.6 Migration Guide cookbook. The quickstart covers API keys and your first request, and the API reference lists every parameter.

GPT Terra Latest has no fixed price of its own. Each request is billed at the price of the model that serves it, so your cost depends on which model the request is routed to.

GPT Terra Latest can route to models with context windows of up to 1,050,000 tokens. The context length available to a request is that of the model that serves it.

GPT Terra Latest accepts files such as PDFs, images, and text as input and returns text.

GPT-6 Luna Decisions, GPT-6.1 Sol Pro, GPT-6.1 Sol and 62 more are other text models from OpenAI.

GPT Terra Latest was released on September 11, 2026. Its knowledge cutoff is February 16, 2026.