Start with Nano Banana 2: it is fast, takes up to 14 reference images and costs 2 credits at 1K. Switch to Nano Banana Pro for text-heavy designs and scenes with several people, to GPT Image 2 when you want precise edits and clean typography from a second model, and to Seedream 5.0 Flash for cheap drafts up to 2K.
The facts below come from Google, OpenAI and ByteDance's own pages (linked in each section). The "best for" picks are our recommendations, based on how each maker positions its model. Test on your own image before a big batch.
At a glance
| Nano Banana 2 | Nano Banana Pro | GPT Image 2 | Seedream 5.0 Flash | |
|---|---|---|---|---|
| Maker | OpenAI | ByteDance | ||
| Official name | Gemini 3.1 Flash Image | Gemini 3 Pro Image | gpt-image-2 | Seedream 5.0 flash |
| Released | Feb 26, 2026 | Nov 20, 2025 | Apr 21, 2026 | 2026 |
| Speed, per the maker | Flash speed | Slower than Nano Banana 2 | "Medium" | Faster than Seedream 5.0 Pro |
| Resolutions here | 1K, 2K, 4K | 1K, 2K, 4K | 1K, 2K, 4K | 1K, 2K |
| Reference images here | Up to 14 | Up to 14 | Up to 14 | Up to 10 |
| Credits per image | 2 / 3 / 4 | 4 / 4 / 6 | 2 / 3 / 4 | 2 / 2 |
| ≈ $ per image ($9.99 pack) | $0.067 / $0.10 / $0.13 | $0.13 / $0.13 / $0.20 | $0.067 / $0.10 / $0.13 | $0.067 / $0.067 |
| Our pick for | Everyday edits, faces, products | Text, posters, several people | Precise edits, typography | Quick, cheap drafts |
Credits are listed as 1K / 2K / 4K. Dollar prices use the 300-credit pack ($9.99, about $0.0333 per credit); the larger packs bring a credit down to $0.030 (1,000 for $29.99) and $0.028 (2,500 for $69.99).
Nano Banana 2 (Gemini 3.1 Flash Image)
Google released Nano Banana 2 on February 26, 2026, describing it as the world knowledge, quality and reasoning of Nano Banana Pro "at lightning-fast speed". What Google lists:
- Character resemblance for up to five characters and fidelity for up to 14 objects in one workflow.
- Accurate, legible text, and translating text inside an image.
- Resolutions from 512 px to 4K.
The Gemini API docs split its 14 reference images into up to 10 object images and up to 4 character images.
On this site: 1K, 2K and 4K at 2, 3 and 4 credits, up to 14 reference images. It is the default model and the one we suggest trying first. Try Nano Banana 2.
Nano Banana Pro (Gemini 3 Pro Image)
Nano Banana Pro came out on November 20, 2025, built on Gemini 3 Pro. Google calls it "the best model for creating images with correctly rendered and legible text directly in the image", from a short tagline to a long paragraph, in several languages. Also from Google:
- Blends up to 14 images and keeps the consistency and resemblance of up to 5 people.
- Localized edits, camera angle and focus changes, colour grading, and relighting (for example day to night).
- 2K and 4K output.
The Gemini API docs describe it as "optimized for professional asset production" and list up to 6 object images, up to 5 character images and up to 3 style references. When Google launched Nano Banana 2, it recommended Nano Banana Pro "for high-fidelity tasks requiring maximum factual accuracy" and Nano Banana 2 "for rapid generation".
On this site: 4, 4 and 6 credits at 1K, 2K and 4K; up to 14 reference images. Expect it to take longer than Nano Banana 2. Try Nano Banana Pro.
GPT Image 2 (OpenAI)
OpenAI released GPT Image 2 on April 21, 2026, alongside ChatGPT Images 2.0, with improved text rendering, multilingual support and visual reasoning. The model page calls it a model "for fast, high-quality image generation and editing" with "flexible image sizes and high-fidelity image inputs", and rates its speed as "Medium".
From OpenAI's image generation guide:
- Every input image is processed at high fidelity automatically, so details from your uploads carry into the edit.
- Sizes up to 3840 px on the long edge, with a long-to-short ratio of at most 3:1.
On this site: 1K, 2K and 4K at 2, 3 and 4 credits, the same price as Nano Banana 2; up to 14 reference images. Try GPT Image 2.
Seedream 5.0 Flash (ByteDance)
Seedream 5.0 Flash is the fast tier of ByteDance Seed's Seedream 5.0 family; Seedream 5.0 Pro is the higher-quality tier. ByteDance's ModelArk docs say Flash "generates images faster and costs less", for "latency- and cost-sensitive scenarios", while Pro "provides higher image quality". From the same page:
- Up to 10 reference images.
- Resolutions 1K, 1.5K and 2K, so no 4K.
- Text rendered natively in 14 more languages, including Japanese, Korean, Spanish, French and German.
On this site: 2 credits at 1K or 2K, up to 10 reference images. It doesn't offer the 4:5 and 5:4 ratios. Try Seedream.
Which one to pick
These are our recommendations, based on the makers' descriptions above.
- Faces and portraits: Nano Banana 2. For three or more people in one image, Nano Banana Pro, which Google says keeps up to 5 people consistent.
- Product photos: Nano Banana 2 or GPT Image 2. If the packaging has small text that must stay readable, Nano Banana Pro.
- Text, posters, menus, infographics: Nano Banana Pro first, GPT Image 2 second. Put the exact words in quotes.
- Many references (a character, an outfit, a product, a backdrop): Nano Banana 2 or Nano Banana Pro, up to 14 images.
- Quick drafts and A/B ideas: Seedream 5.0 Flash at 2K for 2 credits, or Nano Banana 2 at 1K.
- Large prints and 4K banners: Nano Banana 2, Nano Banana Pro or GPT Image 2 at 4K.
You don't have to commit to one. The model is a dropdown in the editor, and you can run the same prompt on two models and keep the better result. Our prompt guide works for all four.
What a typical session costs
Ten edits on Nano Banana 2 at 2K cost 30 credits, about $1.00 at the $9.99 pack. The same ten on Nano Banana Pro at 4K cost 60 credits, about $2.00. New accounts get 10 free credits (five Nano Banana 2 images at 1K), and credits for failed images are refunded. Full prices are on the pricing page.
Sources
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