Open SourceFree, self-host
Stable Diffusion pricing in 2026
Stable Diffusion is open source. Free to run, source available, bring your own keys or self-host. Here is the breakdown of how you pay, plus cheaper alternatives if it is not the right fit.
How you pay
Free tierFree to run: self-host or bring your own API key.
Paid plansNot offered for this tool.
Usage / APIUsage cost is whatever your own model keys or hosting cost.
Open sourceSource-available: self-host to control cost.
Pricing summary: Free, self-host. Always confirm current plans on the official site.
Frequently asked questions
How much does Stable Diffusion cost?
Stable Diffusion is open source: Free, self-host.
Is Stable Diffusion free?
Yes, Stable Diffusion has a free path. Free to run: self-host or bring your own API key.