# GPT-6 Terra Pro (slim)

> GPT-6 Terra Pro, a family of models by OpenAI, listed from OpenRouter. Indexed, not reviewed: facts and our own checks, no score or ranking. GPT-6.1 Terra Pro is the same underlying model as GPT-6.1 Terra, served with…

- Full: https://www.anchorterminal.com/tools/gpt-6-terra-pro.md (~550 tokens) · this version ~480 tokens · JSON https://www.anchorterminal.com/tools/gpt-6-terra-pro.json · canonical https://www.anchorterminal.com/tools/gpt-6-terra-pro
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-27
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# GPT-6 Terra Pro

> Indexed, not reviewed: facts from OpenRouter and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/

- Kind: model family, by OpenAI
- Category: Model APIs & inference (https://www.anchorterminal.com/categories/inference.md)
- Listed because: OpenRouter lists it, with prices from the providers that serve it.
- What OpenRouter says: GPT-6.1 Terra Pro is the same underlying model as \[GPT-6.1 Terra\](https://openrouter.ai/openai/gpt-6.1-terra), served with \`reasoning.mode\` set to \`pro\` for higher-quality responses on complex tasks. \*\*Cost note:\*\* pro mode spends far more...

## Models (1)

| Model | OpenRouter id | Released | Context | Input $/1M | Output $/1M | Supports |
| --- | --- | --- | --- | --- | --- | --- |
| GPT-6.1 Terra Pro | `openai/gpt-6.1-terra-pro` | 2026-10 | 1.05M | $1 | $5 | tools, structured output, reasoning, caching, file, image |

Prices and limits as OpenRouter lists them; a provider's own price can differ.

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- JSON: https://www.anchorterminal.com/api/v1/tools/gpt-6-terra-pro.json
- Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming