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Nano Banana 2.1 vs Seedream 5.5 Image Generator

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Nano Banana 2.1 compared with Seedream 5.5 Image Generator
DetailNano Banana 2.1 logo Nano Banana 2.1Seedream 5.5 Image Generator logo Seedream 5.5 Image Generator
What it doesAI image generator and editor with Google's Nano Banana 2.1 model Text-to-image and image-to-image generation at 2K or 4K resolution in your browser
StageStartup Not given
Founded2026 Not given
Based inSI AU
Pricing modelNot given Freemium
PricingFree tier: 24 credits for new sign-ups. Subscriptions: Basic €95/year (€7.92/month, €9.90/month with monthly billing), Pro €239/year (€19.92/month, €24.90/month with monthly billing), Studio €575/year (€47.92/month, €59.90/month with monthly billing). Per-image costs: 1K resolution 15 credits, 2K re Not given
Key features
  • Native 4K output with 1K and 2K options
  • Up to 14 reference images per request
  • Multiple aspect ratios from 1:1 to 21:9 plus panoramic formats
  • Consistent characters and products across images
  • Readable text in multiple languages
  • Precise, targeted edits to specific regions
  • Image to Image editing with up to 14 photos
  • Commercial use rights for generated images
  • No installation required, browser-based interface
  • Automatic credit refund for failed generations
  • Text-to-image generation from prompts
  • 2K and 4K resolution output
  • Eight aspect ratios from 1:1 to 21:9
  • No installation required, runs in browser
  • Free trial credits with Google sign-up
  • JPEG, PNG or WebP image uploads up to 5 MB
  • Credit refund on generation failure
What makes it different
  • Sharper detail and more reliable text rendering than Nano Banana 2
  • About half the API cost of previous models
  • Fast generation typically under one minute
  • Targeted region editing without affecting rest of image
  • Simple credit-based pricing with no token conversion needed
  • No installation or API key required; runs entirely in browser
  • Upload up to 10 reference images for consistent character or product across scenes
  • Accurate text rendering directly in generated images
  • Both 2K draft and 4K final resolution options
  • Free trial with no credit card required
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)6 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)70
Citation Flow (Majestic)1618
Referring domains (Majestic)93

4 details filled in for both companies.

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