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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 doesGoogle's multimodal image generation and editing model for creating photorealistic images, text, diagrams, and product visuals Text-to-image and image-to-image generation at 2K or 4K resolution in your browser
StageNot given Not given
FoundedNot given Not given
Based inNot given AU
Pricing modelFreemium Freemium
PricingFree plan available. Paid plans: Basic ($7.9/month, billed annually $189.6, actually $94.8/year with 1200 credits/year); Standard ($15.9/month, billed annually $381.6, actually $190.8/year with 6000 credits/year); Special Offer Yearly (Unlimited, $100/month, billed annually $5000, actually $1200/yea Not given
Key features
  • Text and image generation
  • Photorealistic detail with natural-looking skin tones and materials
  • Mask-based editing for localized revisions
  • Subject consistency across variations and multi-turn edits
  • Flexible output control with 1K, 2K, or 4K resolutions
  • Grounded visuals using Google Search and Image Search
  • Support for up to 14 input reference images
  • Clearer text rendering for posters, packaging, and infographics
  • Commercial usage rights on all paid plans
  • ChatGPT app and MCP client integration
  • 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
  • Google's Flash-tier multimodal model for fast creative iteration
  • Multiple output resolutions and extreme panoramic aspect ratios
  • Grounded visuals with real-world information integration
  • Integration with ChatGPT and MCP-compatible clients
  • 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)25 −1 (down) since last checkNot checked yet no change since last check
Trust Flow (Majestic)100
Citation Flow (Majestic)2918
Referring domains (Majestic)73

4 details filled in for both companies.

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