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Gemini 3.1 Pro Preview API Price
Google · gemini-3.1-pro-preview
| Billing | USD · 百万 tokens |
|---|---|
| Context Window | 1000K tokens |
| Max Output | 64K tokens |
| Modalities | 文本 / 图像 / 音频 / 视频 |
| Deep Thinking | Supported |
| Verified Date | 2026-09-04 |
| Official pricing page | ai.google.dev/gemini-api/docs/pricing ↗ |
≤200K 与 >200K 双档;缓存存储 $4.50/1M·h。
Pricing Tiers
| Tier | Price | Description |
|---|---|---|
| 长上下文(输入>200K) | in $4 / out $18 /百万 tokens | 缓存 $0.40 |
| Batch/Flex(5 折) | in $1 / out $6 /百万 tokens | — |
| Priority(1.8x) | in $3.6 / out $21.6 /百万 tokens | >200K 输出 $32.40 |
Monthly Cost Estimate
30 days · no cache hits · list price
Free quotas, tiered pricing, batch discounts, and time-based pricing are not included; refer to official bills.
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FAQ
How much does the Gemini 3.1 Pro Preview API cost?
Input $2/百万 tokens, output $12/百万 tokens
How large is the Gemini 3.1 Pro Preview context window?
1000K tokens, up to 64K tokens of output. Handles long documents, multi-turn conversations and large-scale inputs.
Which input modalities does Gemini 3.1 Pro Preview support?
文本 / 图像 / 音频 / 视频. Supports deep thinking / reasoning.
What is the approximate monthly cost of Gemini 3.1 Pro Preview?
Depends on volume: light use (1M input + 300K output per day) ≈ $168/month; medium (5M + 1.5M) ≈ $840/month; heavy agents (10M + 3M) ≈ $1,680/month. Cache hits, batch discounts and tiered pricing can lower this further.
How does Gemini 3.1 Pro Preview compare with peers on value?
Google Gemini 3.1 Pro Preview is priced low among comparable models; compare against similar models. See the Pricemon market table for a full comparison.
What use cases suit Gemini 3.1 Pro Preview?
Suited to applications in its domain.The long context supports deep-analysis scenarios.
Does Gemini 3.1 Pro Preview have a free tier?
Check Google's official pricing page for the latest free quota, trial policy and tiered pricing. Policies differ by vendor and change over time.