AI Models · Compare
Stable Diffusion 3.5 Large vs FLUX.1 Pro
Side-by-side intelligence, speed, price, benchmarks, strengths and weaknesses for Stable Diffusion 3.5 Large and FLUX.1 Pro — refreshed monthly.
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Stable Diffusion 3.5 Large
Open sourceOct 2024
Open weights, runs on a single GPU — community’s preferred base model.
Black Forest Labs
FLUX.1 Pro
ProprietaryAug 2024
Sharp photorealism + the best text-in-image rendering in the industry.
Head to head
Spec
Stable Diffusion 3.5 Large
FLUX.1 Pro
Time to first token↓ better
Winner5 s
6 s
Price per image↓ better
Winner$0.01
$0.05
License
Open source
Proprietary
Input modalities
text
text
Output modalities
image
image
Strengths, weaknesses and best-for
Stable Diffusion 3.5 Large
Strengths
- Open weights
- Huge LoRA ecosystem
- Cheap to host
Weaknesses
- Aesthetic quality below Midjourney v6
Best for
- Self-hosting
- Custom style fine-tunes
- On-prem deployment
FLUX.1 Pro
Strengths
- Photorealism
- Renders text correctly
- Fast
Weaknesses
- Closed weights (Schnell is open)
Best for
- Product imagery
- Realistic portraits
- Ads with text
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