Grok Imagine Image Quality vs Nano Banana 2
Preferred for image editing: Too close to call · Lowest entry price: Nano Banana 2 · Highest resolution: Nano Banana 2. Quality scores are blind human-preference votes; specs and prices come from each lab’s listings.
xAI
Grok Imagine Image Quality
- Arena1,391
- From$0.05/image
- Max size2K
Google
Nano Banana 2
- Arena1,387
- From$0.045/image
- Max size4K
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Where they differ
Quality is the arena score from blind, side-by-side human votes. Price, length and resolution come from each lab’s own listings.
- Preferred for image editingToo close to callGrok Imagine Image Quality 1,391 (#12) · Nano Banana 2 1,387 (#15) — blind human votes
- Lowest entry priceNano Banana 2Grok Imagine Image Quality from $0.05/image (1K) · Nano Banana 2 from $0.045/image (512)
- Highest resolutionNano Banana 2Grok Imagine Image Quality: 2K · Nano Banana 2: 4K
- NewestNano Banana 2Grok Imagine Image Quality Apr 3, 2026 · Nano Banana 2 May 28, 2026
- Widest inputsNano Banana 2Grok Imagine Image Quality: Text prompts, Reference images · Nano Banana 2: Text prompts, Reference images, PDFs, Video
- Image editingBoth edit imagesTakes a reference image as input: Grok Imagine Image Quality yes · Nano Banana 2 yes
- Self-hostingNo open weightsBoth are available only through APIs and apps
- Most API hostsNano Banana 2Grok Imagine Image Quality: 1 · Nano Banana 2: 13
Every spec in one table
Dashes mean the data is not published.
| Specification | ||
|---|---|---|
| Quality (blind human votes) | ||
| Text to image arenaElo-style score · higher is better | — | 1,257 ±4#11 of 82 · 73,278 votes |
| Image editing arenaElo-style score · higher is better | 1,391 ±6#12 of 61 · 38,207 votes (best) | 1,387 ±3#15 of 61 · 262,911 votes |
| Price | ||
| Starting price | $0.05/image 1K | $0.045/image 512 (best) |
| Top price | $0.07/image 2K | $0.15/image 4K |
| Extra charges | $0.01 per input image | — |
| How it is billed | Per image | Billed per token; Google’s listed cost per image. |
| Output | ||
| Produces | Images | Images |
| Resolutions | 1K · 1.5K · 2K | 512 · 1K · 2K · 4K |
| Highest resolution | 2K | 4K (best) |
| Largest image | 2K | 4K (about 16 MP) |
| Images per request | Up to 10 (best) | Up to 1 |
| Text in the reply | — | Yes |
| Inputs | ||
| Text prompts | Yes | Yes |
| Reference images (editing) | Yes | Yes |
| Max reference images | 5 | 14 (best) |
| Access | ||
| Weights | Proprietary | Proprietary |
| API model ID | grok-imagine-image-quality | gemini-3.1-flash-image |
| API hosts | 1 | 13 (best) |
| Released | Apr 3, 2026 | May 28, 2026 |
Which should you choose?
Which is better, Grok Imagine Image Quality or Nano Banana 2?
For image editing, voters rate them about the same (Grok Imagine Image Quality 1,391 (#12) · Nano Banana 2 1,387 (#15)). Arena scores come from blind, side-by-side human votes on the same prompts; when the gap is inside both models’ error margins we call it a tie. Test your own prompts before you commit.
Which is cheaper?
Grok Imagine Image Quality costs from $0.05/image (1K), up to $0.07/image (2K); Nano Banana 2 costs from $0.045/image (512), up to $0.15/image (4K). Prices are list rates and change often; check the lab before budgeting.
What is the difference between Grok Imagine Image Quality and Nano Banana 2?
Grok Imagine Image Quality is an image model from xAI (Apr 3, 2026), taking text prompts and reference images and producing images. Nano Banana 2 is an image model from Google (May 28, 2026), taking text prompts, reference images, pdfs and video and producing images.
Which is newer?
Grok Imagine Image Quality Apr 3, 2026; Nano Banana 2 May 28, 2026.
Which can edit an existing image?
Takes a reference image as input: Grok Imagine Image Quality yes; Nano Banana 2 yes.
Can I run any of these on my own hardware?
No open weights. Both are available only through APIs and apps.