API price
GPT-5.6 Terra Pro API price
By OpenAI. $2.00 per million input tokens, $12.00 per million output tokens on OpenRouter. Collected November 12, 2026.
- $2.00
- $12.00
- 1,050,000
- —
- July 9, 2026
- August 22, 2026
Last 90 days
Price changes
No price change in this window.
What the numbers say
- Input costs less than 16% of the 443 paid models we track.
- Context window ranks #4 of 459 models.
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