Can I open-source Leonardo AI?
YES · mature open-source replacementYes. ComfyUI (124k stars), InvokeAI (28k stars), LTX (11k stars) are mature open-source replacements for Leonardo AI — self-host in one command and stop paying $12/mo.
People still pay for Leonardo AI because the product value is the model and compute fleet, not the prompt box around it. The recurring cost buys GPU procurement, model licensing, safety filters, queueing, storage, and rapid model replacement, not just the visible interface.
xproprietary models, hosted GPU capacity, training tools, and asset ecosystem
xfrontier proprietary models
xhosted GPU capacity
xlicensed training data
xmoderation and fast global delivery
These projects already replace it, free.
CComfyUIThe canonical local workflow engine, complete with saved graphs, queues and every knob Leonardo hides.open source↗IInvokeAIOrganized boards, rich metadata, masks and reusable workflows for local and API-backed image models.open source↗SSwarmUIA clean Generate tab, history, grids and the full workflow graph; parameters survive every rerun.open source↗What each one is, in full: ComfyUI
all 5 open-source alternatives to Leonardo AI →· no votes, no pay-to-list · just what's real
Leonardo AI pricing
| plan | monthly | annual (per mo) | what you get |
|---|---|---|---|
| free | $0/user | $0/user | 150 fast tokens/day, 150-token bank, public generations and 1 collection. |
| essential | $12/user | — | 8,500 fast tokens/month; bank up to 25,500; 10 personal models; 2 concurrent generations and queue size 5. |
| premium | $30/user | — | 25,000 fast tokens/month; bank up to 75,000; 20 personal models; 3 concurrent generations and queue size 10; relaxed generation on selected image models. |
| ultimate | $60/user | — | 60,000 fast tokens/month; bank up to 180,000; 50 personal models; 6 concurrent generations and queue size 20; selected relaxed image/video generation. |
| teams starter | $72/workspace | — | 3 seats, 75,000 shared fast tokens/month, bank up to 225,000 and 6 concurrent generations. |
| teams growth | $144/workspace | — | 3 seats, 180,000 shared fast tokens/month, bank up to 540,000 and higher team capacity. |
| teams custom | custom | — | Custom seats, tokens and enterprise controls. |
free tier150 fast tokens per day, 150-token bank, public generations and 1 collection.
billingmonthly + annual (up to 20% off); exact annual USD amounts were not exposed in the public rendered page
hidden costsAPI pay-as-you-go starts at $5 and is separate. Token top-ups do not expire but can only be used while subscribed; taxes are excluded. Relaxed generation excludes some third-party models and Flow State.
verified 2026-08-14 · source ↗
Can I open-source Leonardo AI?
Yes. ComfyUI replaces Leonardo AI today — self-host it on your own server or machine with no subscription. The full list of open-source alternatives is on this page.
How much does Leonardo AI cost?
Leonardo AI costs about $12/month (Apprentice, checked 2026-07-31), which is $144 per year. That's what you save by replacing it with open source.
What do I lose by replacing Leonardo AI?
Honestly: proprietary models, hosted GPU capacity, training tools, and asset ecosystem; frontier proprietary models; hosted GPU capacity; licensed training data; moderation and fast global delivery. If any of those are load-bearing for you, keep paying.
Is there an open-source alternative to Leonardo AI?
Yes: ComfyUI (The canonical local workflow engine, complete with saved graphs, queues and every knob Leonardo hides.) InvokeAI (Organized boards, rich metadata, masks and reusable workflows for local and API-backed image models.) SwarmUI (A clean Generate tab, history, grids and the full workflow graph; parameters survive every rerun.) All 5 curated open-source alternatives are at caniopensourceit.online/leonardo-ai/alternatives.