FLUX.1 vs Stable Diffusion: 2026 comparison
Black Forest Labs' image model — open-weights flagship that often beats Midjourney on prompt fidelity.
The open-source image generator — self-host, fine-tune, run anywhere. Powers most production image-gen pipelines in 2026.
FLUX.1 vs Stable Diffusion — specs
| Spec | FLUX.1 | Stable Diffusion |
|---|---|---|
| Category | Image | Image |
| Pricing | Freemium | Open source |
| Open source | Yes | Yes |
| Capabilities | text-to-image, open-weights, photorealism | image-generation, inpainting, self-hostable, controlnet, fine-tuning, API |
| Current version | FLUX1.1 Pro | SD 3.5 |
| Verified | Yes | Yes |
Pros & cons
Not yet documented.
- +Only major open-source image generator — total control over the pipeline
- +Massive community of fine-tunes (Civitai etc.) for specialized styles
- +Self-hosting eliminates per-image costs at scale
- −Setup overhead is real — local hardware + Comfy/Automatic1111 learning curve
- −Baseline quality trails Midjourney for aesthetic-default work
- −Commercial licensing for fine-tunes gets murky
Pricing
See the tool page for current pricing.
- +CreativeML Open RAIL license
- +SD 3.5 weights free
- +Run locally or in cloud
- +Credits-based API
- +SD 3.5 + SDXL + Turbo
- +Higher-priority queue
- +Self-host commercial license
- +Custom fine-tuning
- +Dedicated support
Which should you pick?
Stable Diffusion covers 3 more capabilities out of the box.
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Frequently asked about FLUX.1 vs Stable Diffusion
What's the main difference between FLUX.1 and Stable Diffusion?+
Both FLUX.1 and Stable Diffusion are image tools, but they differ in pricing, feature surface, and verification status. Stable Diffusion covers 3 more capabilities out of the box.
Is FLUX.1 cheaper than Stable Diffusion?+
Yes — FLUX.1 is the cheaper of the two.
Can I use both FLUX.1 and Stable Diffusion together?+
Yes, many teams pair tools in the same category to cover edge cases. Use FLUX.1 for its broader capability surface and Stable Diffusion for the workflows where it's more focused.
Which is better for 2026: FLUX.1 or Stable Diffusion?+
Stable Diffusion is the stronger pick on our scorecard. Stable Diffusion covers 3 more capabilities out of the box. See the full side-by-side above to confirm it fits your use case.