openai/gpt-6.1-terra-proGPT-6.1 Terra Pro is OpenAI’s AI model, released Oct 26, 2026. It costs $1/M input and $5/M output tokens, and handles a 1.1M-token context window.
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.
Scores on standardized evaluations. Higher is better — and rank shows where GPT-6.1 Terra Pro lands among all models tracked on Model Beat.
No standardized benchmark scores from Epoch AI yet — common for very recent, image, or niche models. Scores appear here once published.
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.
GPT-6.1 Terra Pro is an AI model developed by OpenAI, part of the GPT family, released Oct 26, 2026.
GPT-6.1 Terra Pro's list price from OpenAI is $1 per million input tokens and $5 per million output tokens.
GPT-6.1 Terra Pro supports a context window of up to 1.1M tokens.
Benchmark data from Epoch AI (CC BY) and Artificial Analysis; pricing, specs & descriptions from OpenRouter. Data updated Oct 27, 2026.