Quick Verdict
- Fastest pro-grade image generation at under 2 seconds per image
- Extremely low cost at ~$0.039 per image via API
Best for: Developers who need fast, cheap API-based image generation, Content creators producing high-volume visual assets, Teams already in the Google Cloud ecosystem
Nano Banana 2
Updated 1 week ago
Google Gemini 3.1 Flash Image model. Pro-grade AI image generation at Flash speed: under 2 seconds, ~$0.039/image, 4K resolution, 10 aspect ratios, character consistency for up to 5 subjects.
Pricing
| Plan | Details |
|---|---|
| Free | Free via Google AI Studio with rate limits |
| Pro | ~$0.039/image via Vertex AI, volume discounts available |
Pricing based on Gemini 3.1 Flash image generation rates
Tips & Best Practices
Use Google AI Studio playground for free experimentation before committing to API
Specify aspect ratio explicitly in prompts for best composition results
For character consistency, provide clear reference descriptions for each subject
Batch requests via Vertex AI for volume pricing discounts
Features
- Sub-2-second image generation at Flash inference speed
- 4K resolution output (up to 4096x4096)
- 10 aspect ratios from square to ultrawide
- Character consistency for up to 5 subjects in a single image
- Native text rendering in images with high accuracy
- Style transfer and image editing capabilities
- API access via Google AI Studio and Vertex AI
Best for: Developers who need fast, cheap API-based image generation • Content creators producing high-volume visual assets • Teams already in the Google Cloud ecosystem • Budget-conscious users who want near-Midjourney quality
Pros
- Fastest pro-grade image generation at under 2 seconds per image
- Extremely low cost at ~$0.039 per image via API
- 4K output rivals Midjourney quality at a fraction of the price
- Character consistency allows maintaining subject identity across images
- Free tier available through Google AI Studio
Cons
- Requires Google Cloud or AI Studio account to access
- Less artistic control compared to Midjourney or Stable Diffusion
- Character consistency limited to 5 subjects maximum
- No dedicated web UI — must use API or AI Studio playground
- Newer model with smaller community and fewer tutorials
Final Recommendation
Nano Banana 2 is a freemium AI tool best suited for Developers who need fast, cheap API-based image generation and Content creators producing high-volume visual assets.