Head to head

FLUX vs Stable Diffusion

FLUX (Black Forest Labs) and Stable Diffusion (Stability AI) both sit in Image. FLUX is the cheaper entry point at Pay-as-you-go API pricing with no subscriptions/seat fees. Pricing varies per image resolution, video second, or megapixel.. FLUX shipped more tracked changes in the last 30 days (9 vs 8). Every value below comes from the latest crawl of the vendors' own pages.

AttributeFLUX

Black Forest Labs

Stable Diffusion

Stability AI

SegmentImageImage
VersionFLUX 3Stable Diffusion 3.5
Entry costPay-as-you-go API pricing with no subscriptions/seat fees. Pricing varies per image resolution, video second, or megapixel.from $19/org/mo
Pricing tiersPay as you go freeTrial free · Creator $19 · Core $50
Model stackFLUX 1.1 [pro] · FLUX 3 · FLUX 3 Action · FLUX 3 Image · FLUX 3 Image Klein · FLUX 3 Max · FLUX 3 Video · FLUX 3 Video Draft · FLUX.1 [dev] · FLUX.1 [pro] · FLUX.1 Kontext · FLUX.1 Kontext [max] · FLUX.1 Kontext [pro] · FLUX.2 · FLUX.2 [dev] · FLUX.2 [flex] · FLUX.2 [klein] · FLUX.2 [klein] 4B · FLUX.2 [klein] 9B · FLUX.2 [max] · FLUX.2 [pro] · FLUX1.1 [pro] Ultramore · Nano Banana · Seedream · Stable Audio 3.0 · Stable Diffusion · Stable Diffusion 3.5
Context windown/an/a
Public API
Routes models
Changes / 30d98
OriginGlobalGlobal
CapabilitiesOpen weights, Image editing, Multi-reference, Character consistency, High resolution, Text-to-Image, Multi-reference image editing, OutpaintingOpen weights, LoRA fine-tuning, ControlNet ecosystem, Local inference, Commercial licence, Text-to-image, Sketch-to-image, Inpainting

FLUX

Image generation and editing models available both as open weights and hosted API.

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