Image Generation / Quote
Nano Banana 2(Gemini 3.1 Flash Image) API Price Image Generation
Google · gemini-3.1-flash-image
| Billing | USD · 百万 tokens |
|---|---|
| Modalities | 文本 / 图像 |
| Deep Thinking | — |
| Verified Date | 2026-09-04 |
| Official pricing page | ai.google.dev/gemini-api/docs/pricing ↗ |
图像输出折合 0.5K 图 $0.045、1K $0.067、2K $0.101、4K $0.151/张;Batch 半价(图像 $30/1M)。
Pricing Tiers
| Tier | Price | Description |
|---|---|---|
| 文本/思考输出 | out $3 /百万 tokens | 图像输出按 $60/1M tokens |
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.
Google Related Models
- Gemini 3.8 Flash $0.75 / $3.75
- Gemini 3.7 Flash $0.75 / $3.75
- Gemini 3.6 Flash $0.75 / $3.75
- Gemini 3.5 Flash $1.5 / $9
- Gemini 3.5 Flash-Lite $0.3 / $2.5
- Gemini 3.1 Flash-Lite $0.25 / $1.5
- Gemini 3.1 Pro Preview $2 / $12
- Gemini 2.5 Pro $1.25 / $10
- Gemini 2.5 Flash $0.3 / $2.5
- Gemini 2.5 Flash-Lite $0.1 / $0.4
- Nano Banana 2 Lite(Gemini 3.1 Flash Lite Image) $0.25 / $30
- Nano Banana Pro(Gemini 3 Pro Image) $2 / $120
- Veo 3.1 $0.4 /秒
- Veo 3.1 Fast $0.1 /秒
- Veo 3.1 Lite $0.05 /秒
- Gemini Omni Flash $1.5 / $17.5
- Gemini 3.1 Flash TTS Preview $1 / $20
- Gemini 3.5 Transcribe $2 / $12
- Gemini 3.5 Transcribe Live $3.5 / $21
- Lyria 3.5 $0.08 /首
- Lyria 3 Clip Preview $0.04 /首
- Lyria 3 Pro Preview $0.08 /首
FAQ
How much does the Nano Banana 2(Gemini 3.1 Flash Image) API cost?
Input $0.5/百万 tokens, output $60/百万 tokens
Which input modalities does Nano Banana 2(Gemini 3.1 Flash Image) support?
文本 / 图像.
What is the approximate monthly cost of Nano Banana 2(Gemini 3.1 Flash Image)?
Depends on volume: light use (1M input + 300K output per day) ≈ $555/month; medium (5M + 1.5M) ≈ $2,775/month; heavy agents (10M + 3M) ≈ $5,550/month. Cache hits, batch discounts and tiered pricing can lower this further.
How does Nano Banana 2(Gemini 3.1 Flash Image) compare with peers on value?
Google Nano Banana 2(Gemini 3.1 Flash Image) is priced low among comparable models; compare against similar models. See the Pricemon market table for a full comparison.
What use cases suit Nano Banana 2(Gemini 3.1 Flash Image)?
Good for: product imagery, creative design, brand content, marketing assets, batch generation.
Does Nano Banana 2(Gemini 3.1 Flash Image) 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.