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Flux 3 AI vs Stable Diffusion Online

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

Flux 3 AI compared with Stable Diffusion Online
DetailFlux 3 AI logo Flux 3 AIStable Diffusion Online logo Stable Diffusion Online
What it doesBrowser-based image and video generator with native audio in one unified workspace Free online AI image generator using Stable Diffusion XL
StageNot given Not given
FoundedNot given Not given
Based inNot given GB
Pricing modelFreemium Free
PricingFree with 30 starter credits for new accounts. Paid plans: Basic $13.99/month (1,000 credits/month), Pro $19.99/month (3,000 credits/month), Max $74.99/month (15,000 credits/month). Yearly billing available with 30-50% savings. Not given
Key features
  • Text-to-image generation from detailed prompts
  • Image editing with visual references
  • Text-to-video, image-to-video, and video-to-video generation
  • Native synchronized audio generation with video
  • Keyframe control for motion guidance
  • Multiple aspect ratios and quality levels up to 4K
  • Multilingual text and dialogue support
  • Video clips up to 20 seconds with audio
  • Connected workflow between image and video modes
  • Commercial usage rights on paid plans
  • Text to image generation with customizable styles and aspect ratios
  • Inpainting - add or replace parts of images
  • Outpainting - extend image size
  • Prompt Database with 9 million prompts
  • Reference image input for guided generation
  • Multiple model options and style presets
  • GPU-enabled fast image generation
  • High quality photo-realistic output
  • CC0 licensed images for commercial use
What makes it different
  • Unified multimodal workspace combining image generation, editing, and video creation with native audio in one tool
  • Native audio generation synchronized with video, including multilingual dialogue and event-linked sound
  • Direct workflow from concept to production without switching between separate tools
  • Keyframe and visual reference control for precise motion and style consistency
  • Free access with no installation required - web-based interface runs on GPU servers
  • High degree of control with inpainting, outpainting, and style options
  • All generated images are CC0 licensed for unrestricted commercial use
  • Prompt Database with 9 million examples to improve image generation quality
  • Real-time generation with SDXL Turbo single-step processing
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)12 −1 (down) since last check79 no change since last check
Trust Flow (Majestic)820
Citation Flow (Majestic)2347
Referring domains (Majestic)845975

4 details filled in for both companies.

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