Stable Diffusion 3.5
Stability AI class C live
Open-weight SD3.5 (Large 8.1B / Medium 2.5B) under the Community License; free commercial use under $1M revenue; paid API $0.035–$0.065/image.
Layer 1 — factual axes
| API & price | public · Large $0.065, Large Turbo $0.04, Medium $0.035 per image | official | source ↗ 2026-07-04 |
|---|---|---|---|
| Max resolution | Large ~1MP native; Medium 0.25–2MP | official | source ↗ 2026-07-04 |
| Control | ControlNets (Blur/Canny/Depth); broad ComfyUI inpaint/img2img ecosystem | secondary | source ↗ 2026-07-04 |
| Weights | open · Stability Community License (free commercial under $1M/yr) | official | source ↗ 2026-07-04 |
| Free tier | open self-host (weights on Hugging Face) | official | source ↗ 2026-07-04 |
Layer 2 — output quality
938 / 1600
Open-weight SD3.5 (Large 8.1B / Medium 2.5B) under the Community License; free commercial use under $1M revenue; paid API $0.035–$0.065/image.