Stable Diffusion
Reviews, test reports and deep-dive analysis
Open-source AI image generation with SD 3.5 and Stable Assistant
London, UK★ 1.9 Trustpilot
toolzoo.io
TEST RESULT
GREAT (2.2)
84 of 100
Stand 03/2026
Detailed Features & Capabilities
Comprehensive breakdown of all technical capabilities.
Text to image
Image to image
Inpainting
Outpainting
Max resolution
2048×2048
Style reference
Commercial license
Watermark free
Controlnet
Ip adapter
Seed control
Custom lora
Face consistency
Ai upscaling
Community models
Web app
Mobile app
Api available
Stable image ultra
Sd 3 5 flash
Latest model
SD 3.5 Large/Turbo/Medium/Flash
Price free
Free (open source, self-hosted, <$1M rev)
Price plus
$19/mo Stable Assistant Pro (1,900 credits)
Price pro
$49/mo Plus (5,500 credits) | $99/mo Premium (12K)
Price api
$0.01/credit API (SD 3.5 Medium = 3.5 credits)
Price enterprise
Custom Enterprise license (>$1M revenue)
