UlazAI developer docs

Model matrix

Image model capability matrix

This table is sourced from the model registry and shows which models are available through the unified endpoint versus legacy-specific routes.

Model Access Selector or route Edit Aspect ratios Quality Credits estimate
Seedream 5.0 Lite
seedream_v5_lite
Unified model=seedream_5_lite Yes 1:1, 4:3, 3:4, 16:9, 9:16, 2:3, 3:2, 21:9 basic, high {'basic': 5.5, 'high': 5.5, 'base': 5.5}
Nano Banana 2
nano_banana_2
Unified model=nano_banana_2 Yes 1:1, 1:4, 1:8, 2:3, 3:2, 3:4, 4:1, 4:3, 4:5, 5:4, 8:1, 9:16, 16:9, 21:9, auto 1K, 2K, 4K {'1K': 8, '2K': 12, '4K': 18, 'base': 8}
GPT Image 1.5
gpt_image_15
Unified model=gpt_image_15 Yes 1:1, 3:2, 2:3 medium, high {'base': 8}
Grok Imagine
grok_imagine
Unified model=grok_imagine Yes 1:1, 3:2, 2:3, 16:9, 9:16 - {'base': 8}
Ideogram Character
ideogram_character
Unified model=ideogram_character No square, square_hd, portrait_4_3, portrait_16_9, landscape_4_3, landscape_16_9 TURBO, BALANCED, QUALITY {'TURBO': 12, 'BALANCED': 18, 'QUALITY': 24, 'base': 18}
Qwen Image
qwen_image
Unified model=qwen_image Yes square, square_hd, portrait_4_3, portrait_16_9, landscape_4_3, landscape_16_9 none, regular, high {'square': 1, 'square_hd': 4, 'portrait_4_3': 3, 'portrait_16_9': 2, 'landscape_4_3': 3, 'landscape_16_9': 2, 'base': 4}
Flux
flux
Unified model=flux No 1:1, 16:9, 9:16, 3:4, 4:3, 3:2, 2:3 - {'base': 8}
Imagen
imagen
Unified model=imagen No 1:1, 16:9, 9:16, 3:4, 4:3 - {'base': 8}
Nano Banana Pro
nano_banana_pro
Legacy See legacy endpoints Yes 1:1, 16:9, 9:16, 3:4, 4:3, 3:2, 2:3, 5:4, 4:5, 21:9, auto 1K, 2K, 4K {'base': 20}
Seedream 4.5
seedream_v4_5
Legacy See legacy endpoints Yes 1:1, 4:3, 3:4, 16:9, 9:16, 2:3, 3:2, 21:9 basic, high {'basic': 8, 'high': 16}
Nano Banana
nano_banana
Legacy See legacy endpoints Yes 1:1, 16:9, 9:16, 3:4, 4:3, 3:2, 2:3, 5:4, 4:5, 21:9, auto - {'base': 4}
Z-Image
z_image
Legacy See legacy endpoints No 1:1, 4:3, 3:4, 16:9, 9:16 - {'base': 2}

Where to integrate

  • Use /api/v1/generate/ for unified models.
  • Use /docs/legacy/ for Seedream 4.5, Z-Image, and Nano Banana legacy endpoints.
  • Use /image/ for the Image Studio workflow with all registry models in the UI.