FLUX (Black Forest Labs) vs Stable Diffusion 3.5 comparison
Compare FLUX (Black Forest Labs) and Stable Diffusion 3.5 in Image item by item — price, plans, specs, Korean support, and commercial-use availability. In the table below, use Show differences only to filter to just the differing rows.
An image model strong on realism and technical control
A family of high-quality image-generation models from Black Forest Labs, strong at photorealistic rendering and fine-grained control. Available via a playground and API.
Edge vs. similar tools: It pairs frontier-grade quality with fast inference, fine-grained control, and open-weight options.
The leading open image model you can self-host
An open-weight image generation model released by Stability AI that runs even on consumer GPUs and can be freely customized.
Edge vs. similar tools: Released with open weights, it allows free self-hosting and fine-tuning and is backed by a massive community ecosystem.
Item-by-item comparison
Pricing
- Free plan
- Yes
- Cheapest paid
- Free
- Plans
- 2
Specs
- Max resolution
- -
- Output formats
- PNG, JPG
- Watermark
- None
Cross-cutting
- Korean
- Supported
- API
- Yes
- Commercial use
- Limited
Pricing
- Free plan
- Yes
- Cheapest paid
- Free
- Plans
- 2
Specs
- Max resolution
- 1024x1024
- Output formats
- PNG, JPG
- Watermark
- None
Cross-cutting
- Korean
- Not supported
- API
- Yes
- Commercial use
- Limited
FLUX (Black Forest Labs) vs Stable Diffusion 3.5: which should you choose?
- FLUX (Black Forest Labs) and Stable Diffusion 3.5 can be started for free, so you can see the results first without signing up.
- Stable Diffusion 3.5 has the higher popularity score (FLUX (Black Forest Labs) 40 vs Stable Diffusion 3.5 49), so it has stronger public awareness signals in this category.
- If a Korean environment matters, FLUX (Black Forest Labs) has the edge (Korean I/O).

