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Stable Diffusion 3.5
The Legacy Open-Source Option
Still free to self-host with a mature ControlNet/ComfyUI ecosystem, but the open-weight crown has passed to FLUX.2 and Ideogram 4.0 — Stability has pivoted to audio and enterprise tools.
✓Strengths
- •Free self-hosting under the Community License
- •Mature LoRA/ControlNet/ComfyUI ecosystem
- •Full control and privacy
- •Huge library of community fine-tunes
⚠Considerations
- •Quality now clearly behind FLUX.2, Ideogram 4.0, and closed models
- •No new flagship image model since 3.5
- •Community has largely migrated to FLUX
- •Technical setup and hardware required
Pricing & Details
Pricing
Free (open weights); enterprise license above $1M revenue
Free Option
Yes (fully open weights)
Best For
Existing SD workflows, legacy pipelines, maximum customization
Related guides & comparisons
Best AI Image Generators →See how Stable Diffusion 3.5 compares to the other top picks.Take the recommender quiz →Get a pick tailored to your use case and budget.ChatGPT vs Claude vs Gemini →The full head-to-head of the three leading assistants.Best Free AI Tools →Every tool with a genuinely useful free tier.
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