Image Generation / Quote
Gemini 3.1 Flash Image (Nano Banana 2) API Price Image Generation
Google · gemini-3.1-flash-image
| Billing | USD · 1M tokens |
|---|---|
| Modalities | Text / Image |
| Deep Thinking | — |
| Batch API | 50% off (input $0.25 / output $30) |
| Verified Date | 2026-10-13 |
| Official pricing page | ai.google.dev/gemini-api/docs/pricing ↗ |
Source text: the note below is the model's official text, kept in its original Chinese and not translated.
Image generation model (0.5K/1K/2K/4K). Input $0.50/1M (text/image). Output: text and thinking $3.00/1M, images $60.00/1M. Per-image: $0.045 (0.5K), $0.067 (1K), $0.101 (2K), $0.151 (4K). Batch 50% off (images $30.00/1M).
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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 $1.5 / $7.5
- Gemini 3.6 Flash-Tiered $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 Free
- Gemini 3.1 Pro Preview $2 / $12
- Gemini 3 Pro Preview $4 / $20
- Gemini 3 Flash (previous generation) Free
- Gemini 2.5 Pro Free
- Gemini 2.5 Flash (text/image/video/audio) Free
- Gemini 2.5 Flash-Lite Free
- Gemini 3.8 Live Free
- Gemini 3.5 Live Translate Free
- Gemini 3.1 Flash Lite Image (Nano Banana 2 Lite) $0.25 / $30
- Gemini 3 Pro Image (Nano Banana Pro) $2 / $120
- Nano Banana Pro (Gemini 3 Pro Image, Preview channel) $2 / $120
- Veo 3.1 $0.4 /sec
- Veo 3.1 Fast $0.1 /sec
- Veo 3.1 Lite $0.05 /sec
- Veo 2.0(Discontinued) $0.35 /sec
- Veo 3.0(Discontinued) $0.4 /sec
- Veo 3.0 Fast(Discontinued) $0.15 /sec
- Gemini Omni Flash $1.5 / $17.5
- Gemini 3.8 Flash TTS Free
- Gemini 3.8 Flash-Lite TTS Free
- Gemini 3.1 Flash TTS Preview Free
- Gemini 2.5 Flash Preview TTS Free
- Gemini 2.5 Pro Preview TTS $1 / $20
- Gemini 3.5 Transcribe Free
- Gemini 3.5 Transcribe Live Free
- Lyria 3.5 Tiered
- Lyria 3 Clip Preview Tiered
- Lyria 3 Pro Preview Tiered
- Gemini 3.8 Live Extended Thinking Free
- Gemini 3.1 Flash Live Preview Free
- Gemini Omni Flash Preview $1.5 / $17.5
- Gemini 3.1 Pro Preview (Custom Tools) $2 / $12
- Gemini Nano Banana 2.1 $1.5 / $30
- Gemini 3 Flash Preview Free
- Gemini 2.5 Flash Native Audio (Live API) Free
- Gemini 2.5 Flash Image (Nano Banana) $0.3 / $30
- Gemini Embedding 2 Free
- Gemini Robotics ER 2 Preview Free
- Gemini Robotics ER 2 Streaming Preview Free
- Gemini 4 Argon $2 / $10
- Gemini 3 Pro (text/image/video/audio) $4 / $18
- Gemini Live (audio-to-audio) Free
- Gemini Live Translate Free
- Gemini Live Transcribe Free
- Gemini Transcribe Free
- Veo (next-generation video generation, generally available) $1.5 / $17.5
- Veo (next-generation video generation and editing model) $1.5 / $17.5
FAQ
How much does the Gemini 3.1 Flash Image (Nano Banana 2) API cost?
Input $0.5/1M tokens, output $60/1M tokens
Which input modalities does Gemini 3.1 Flash Image (Nano Banana 2) support?
Text / Image.
Does Gemini 3.1 Flash Image (Nano Banana 2) offer Batch API discounts?
Yes. The Batch API gets 50% off — input $0.25/1M tokens, output $30/1M tokens. Suited to non-realtime, asynchronous workloads.
What is the approximate monthly cost of Gemini 3.1 Flash Image (Nano Banana 2)?
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 Gemini 3.1 Flash Image (Nano Banana 2) compare with peers on value?
Google Gemini 3.1 Flash Image (Nano Banana 2) 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 Flash Image (Nano Banana 2)?
Good for: product imagery, creative design, brand content, marketing assets, batch generation.
Does Gemini 3.1 Flash Image (Nano Banana 2) 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.