Google · Image Generation
Gemini 3.1 Flash Image (Nano Banana 2) Pricing
$0.067 per 1K image (output only)
per image (1K square)
Free tier
No recurring API allowance confirmed in this comparison.
Commercial use
Check the provider's current API terms.
Billing unit
per image (1K square)
Advantages
- Resolution and billing method are stated alongside the source link.
- Prompt, reference, output quality, and image dimensions can change the final bill.
Disadvantages
- Prompt and reference-image input may add cost.
- Output size and quality settings can change the per-image total.
Example workload cost
At the listed output rate, 100 images cost about $6.7, before any separately billed prompt or reference-image input.
This is an estimate from the listed rate, not a vendor quote. Actual charges can vary with model options, discounts, minimums, retries, and plan terms.
Google lists $0.045 at 0.5K, $0.067 at 1K, $0.101 at 2K, and $0.151 at 4K. Prompt and reference inputs may add cost.
Verify on Google's pricing page →
The date marks the latest check of the model and displayed rate against the linked source; other plan and regional conditions may differ. How pricing data is collected.
Compare with other Image Generation tools
| Tool | Price | Free tier |
|---|---|---|
| Gemini 3.1 Flash Image (Nano Banana 2)Google | $0.067 per 1K image (output only) | No recurring API allowance confirmed in this comparison. |
| Gemini 3.1 Flash-Lite ImageGoogle | $0.0336 per 1K image (output only) | No recurring API allowance confirmed in this comparison. |
| GPT Image 2.5 (Sunburst / Flare)OpenAI | $30 per 1M image-output tokens; input billed separately | No recurring API allowance confirmed in this comparison. |
| Grok Imagine Image 2.0xAI | $0.04 per image (1K/2K listed) | No recurring API allowance confirmed in this comparison. |
| Runway Gen-4 Image (720p)Runway | $0.05 per 720p image (5 credits) | Paid API credits; developer credits listed at $0.01 each. |