GPT-6.1 Terra Pro API price history
GPT-6.1 Terra Pro (OpenAI) currently costs $1.00 per million input tokens and $5.00 per million output tokens. No price change has been observed since tracking began on 2026-11-10. Confirmed unchanged as of 2026-11-10.
Price timeline
Single observed price point — the line shows the price holding steady from first observation through the latest weekly verification.
Every observed price point
| Observed | Input / Mtok | Output / Mtok | Cache read / Mtok | Source |
|---|---|---|---|---|
| $1.00 | $5.00 | — | weekly snapshot |
Dates are when our snapshot observed the price, not necessarily the vendor's announcement date. Prices from each lab's official pricing page, per million tokens.
Full GPT-6.1 Terra Pro model profile →
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