Gemini 3.1 Pro Preview
Output includes thinking tokens. Cache storage $4.50 / 1M token-hour. Batch input/output 50% lower; cached input stays $0.20/$0.40. Preview model.
Price effective date: not stated in the verified evidence.
Gemini 3.1 Pro Preview · API pricing
Compare official token prices, billing conditions and verified history. ChatGPT and Codex subscriptions are billed separately from API usage.
Last verified · · Each row retains its own successful check.
| Model / tier | Input | Output | Cached input | Official source / last verified |
|---|---|---|---|---|
Gemini 3.1 Pro Previewgemini-3.1-pro-previewStandard · input ≤200KActive · Preview | $2 | $12 | $0.2 | Official pricing |
Gemini 3.1 Pro Previewgemini-3.1-pro-previewStandard · input >200KActive · Preview | $4 | $18 | $0.4 | Official pricing |
Billing conditions
Cached reads, cache writes and storage are different charges. Tool calls, audio and third-party hosting can add separate costs; these text-token prices are not a complete usage bill.
Price history
Initial records are observations, not price cuts. Effective dates remain unknown unless an official source states them. Verification without a price change does not add a history event.
- Gemini 3.1 Pro Preview · First verified recordStandard · input ≤200K: $2 / $12 · Cached input: $0.2Standard · input >200K: $4 / $18 · Cached input: $0.4Official source