AI image model comparison
Nano Banana 2 vs Riverflow V2.5 Pro
Image quality, cost per image, and editing features compared side by side. Or skip the guesswork and generate with both.
Gemini 3.1 Flash Image, a.k.a. "Nano Banana 2," is Google’s latest state of the art image generation and editing model, delivering Pro-level visual quality at Flash speed.
- Per image
- $0.067
- Output / 1M
- $60
- Image Elo
- 1277
Sourceful
Riverflow V2.5 Pro
Riverflow V2.5 Pro is the most powerful variant of Sourceful's Riverflow 2.5 lineup, best for top-tier control and quality-sensitive outputs.
- Per image
- $0.13
- Output / 1M
- $31.14
- Image Elo
- 1366
At a glance
Quick verdict
Which model wins on the things that matter most when you're making images.
Cheaper per image
Nano Banana 2
$0.067 vs $0.13, 1.9x cheaper
Better image quality
Riverflow V2.5 Pro
1366 vs 1277 Elo in blind votes
Better at editing
Not available
Only one editing score is available
Newer release
Nano Banana 2
Released June 18, 2026
Quality
Image quality rankings
Elo ratings from Design Arena, where people vote between two anonymous images made from the same prompt. Higher is better.
Image generation
Nano Banana 2#4 · 65.1% wins1277Image editing
Nano Banana 2Not availableGraphic design
Nano Banana 2#4 · 66.3% wins1262Logos
Nano Banana 2#4 · 62.9% wins1262Pricing
Nano Banana 2 vs Riverflow V2.5 Pro price per image
What each image actually costs, plus the underlying API rates. Cheaper option highlighted.
| Metric | Nano Banana 2 | |
|---|---|---|
| Cost per imageEstimated, ~1 megapixel (1024×1024) | $0.067 | $0.13 |
| Image outputPer 1M image tokens | $60 | $31.14 |
| Tokens per imageHow many image tokens one ~1MP image uses | 1,120 | 4,175 |
| Prompt textPer 1M input tokens | $0.50 | Included |
What it costs in practice
Estimated totals at standard resolution.
Single image
1 image
Nano Banana 2$0.067Social media batch
50 images
Nano Banana 2$3.36Product catalog
1,000 images
Nano Banana 2$67.20Specs
Inputs, outputs, and limits
What each model accepts, what it gives back, and how long your prompt can be.
| Metric | Nano Banana 2 | |
|---|---|---|
| Accepts | Image, Text | Image, Text |
| Produces | Image, Text | Image |
| Max prompt lengthText plus reference images | 131K tokens | 33K tokens |
| Reasoning step | Optional | Always on |
| Release date | June 18, 2026 | June 4, 2026 |
Features
Supported features
Creative controls available for each model.
| Metric | Nano Banana 2 | |
|---|---|---|
| Image editingAccepts reference or source images | Supported | Supported |
| Text alongside imagesCan explain or caption what it made | Supported | Not supported |
| Thinks before drawingPlans the image with a reasoning step | Supported | Supported |
| Reproducible seedsSame seed, same image | Supported | Not supported |
| Temperature controlTrade consistency for variety | Supported | Not supported |
Keep exploring
More on these models
Other head-to-heads, the full model page, and the alternatives list for each model.
Nano Banana 2View full model details- Nano Banana 2 vs GPT Image 2.5 Sunburst
- Nano Banana 2 vs Seedream 4.5
- Nano Banana 2 vs Nano Banana
- Nano Banana 2 vs MAI-Image-2.6
- Nano Banana 2 vs Nano Banana 2 Lite
- Nano Banana 2 vs MAI-Image-2.6 Flash
- Nano Banana 2 vs Muse Image
- Nano Banana 2 vs GPT-5.4 Image 2
- Nano Banana 2 vs Nano Banana Pro
- Nano Banana 2 vs GPT Image 2
- Nano Banana 2 vs MAI-Image-2.5
- Nano Banana 2 vs FLUX.2 Flex
- Nano Banana 2 vs Seedream 5.0 Flash
- Nano Banana 2 vs FLUX.2 Pro
- Nano Banana 2 vs Ming Image 0.1 Design
- Nano Banana 2 vs Seedream 5.0 Pro
- Nano Banana 2 vs Grok Imagine Image 2.0
- Nano Banana 2 vs Seedream 5.0 Lite
- Nano Banana 2 vs Recraft V4.1 Flash
- Nano Banana 2 vs FLUX.3 Image
- Nano Banana 2 vs Grok Imagine Image Quality
- Nano Banana 2 vs Qwen Image 3
- Nano Banana 2 vs FLUX.2 Max
- Riverflow V2.5 Pro vs MAI-Image-2.6
- Riverflow V2.5 Pro vs MAI-Image-2.6 Flash
- Riverflow V2.5 Pro vs Nano Banana Pro
- Riverflow V2.5 Pro vs MAI-Image-2.5
- Riverflow V2.5 Pro vs FLUX.2 Flex
- Riverflow V2.5 Pro vs FLUX.2 Pro
- Riverflow V2.5 Pro vs Nano Banana
- Riverflow V2.5 Pro vs GPT Image 2.5 Sunburst
- Riverflow V2.5 Pro vs Seedream 4.5
- Riverflow V2.5 Pro vs Seedream 5.0 Flash
- Riverflow V2.5 Pro vs Seedream 5.0 Pro
- Riverflow V2.5 Pro vs Grok Imagine Image 2.0
- Riverflow V2.5 Pro vs Seedream 5.0 Lite
- Riverflow V2.5 Pro vs FLUX.3 Image
- Riverflow V2.5 Pro vs Grok Imagine Image Quality
- Riverflow V2.5 Pro vs Qwen Image 3
- Riverflow V2.5 Pro vs FLUX.2 Max
Our take
Nano Banana 2 is 1.9x cheaper per image. The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.
FAQ
Frequently asked questions
Is Nano Banana 2 or Riverflow V2.5 Pro cheaper?
Nano Banana 2 is cheaper at about $0.067 per standard image, compared with $0.13 for Riverflow V2.5 Pro. For 1,000 images that is $67.20 versus $130.
Which makes better images, Nano Banana 2 or Riverflow V2.5 Pro?
In blind votes on Design Arena, Nano Banana 2 has an image generation Elo of 1277 and Riverflow V2.5 Pro has 1366, putting Riverflow V2.5 Pro ahead. Taste varies by style, so the best test is running your own prompts through both.
Can Nano Banana 2 and Riverflow V2.5 Pro edit existing images?
Yes. Both accept reference images, so you can upload a photo and ask for changes like a new background, different lighting, or added text.
Can I use Nano Banana 2 and Riverflow V2.5 Pro at the same time?
Yes. Shortcut Chat sends one prompt to multiple image models at once, so you can see Nano Banana 2 and Riverflow V2.5 Pro results side by side and keep the one you like.
Why choose? Generate with both.
Send one prompt to Nano Banana 2 and Riverflow V2.5 Pro at the same time. See both images side by side and keep the one you like.