Show the product vision before engineering commits.
Create realistic product demos for discovery calls, roadmap reviews, sales conversations, and executive alignment.
Local AI product magic for builders
PMs of the world,
rejoice. Leo is here.
Use local AI to convert product ideas into demos and prototypes - without waiting for design bandwidth or dev help. Leo strips away the complexity, so you can go from idea to execution at light-speed.
Built for PMs, founders, designers. Leo helps you ship FASTER.
Describe your idea
Claude 4.5 Sonnet
What should Leo create?
Desktop app
Responsive
Use mock data
Northstar
OverviewRoadmapInsights
SV
Q3 PRODUCT HEALTH
Your product is moving in the right direction.
Activation68%+12%
Weekly users24.8K+8.4%
NPS52+6 pts
Feature adoptionLast 12 weeks
Local by default. Connected when it counts.
Runs on your machine.
Runs on your machine.
Cloud sync on-demand.
Leo lives on your desktop, so everything starts local, private, and fast. When it’s time for feedback, publish to the cloud and loop in your teammates.
One-click cloud links
Turn a local prototype into a reviewable cloud link in seconds.
Live comments & presence
Teammates leave feedback and see changes right on the prototype.
You control what syncs
Nothing leaves your machine until you choose to share it.
Your machine
Launch dashboard
Pricing page
Onboarding demo
Live
Shared workspace
PMUXGT
3 viewing
M
Looks great! Can we bump the CTA color?
Maya is viewing
Devon commented
Bring your own AI
Works with Claude, OpenAI, OpenRouter,
Works with Claude, OpenAI, OpenRouter,
and other compatible AI providers.
Connect the model you already trust and pay for. Leo runs on your own credentials, so there’s no lock-in and no markup on tokens.
Claude
OpenAI
OpenRouter
+ other compatible providers
One workspace. Every PM artifact.
Every product artifact.
Every product artifact.
One local AI canvas.
Turn product ideas into demos, websites, prototypes, and polished internal experiences without waiting for design or engineering bandwidth.
Build
Demo
Iterate
Ship
Customer-ready
Product demos
Clickable experiences for customers, executives, and investors.
Launch faster
Websites
Landing pages, campaign sites, and polished product experiences.
Validate early
Interactive prototypes
Explore workflows, edge cases, and product behavior before implementation.
Align stakeholders
Executive mockups
Dashboards and polished concepts that make product decisions concrete.
React-ready
React Ready
React applications
Design complete local React apps with reusable components, realistic data, and end-to-end workflows.
A faster path from idea to evidence
Stop describing.
Stop describing.
Start showing it.
Leo gives product managers a practical way to turn requirements and customer feedback into something stakeholders can actually click.
Launch polished web experiences without a design dependency.
Generate responsive landing pages, campaign sites, product microsites, and onboarding flows in minutes.
Make decisions with a prototype, not another boring meeting.
Use interactive mockups to resolve ambiguity, pressure-test your workflows, and get sharper feedback earlier.
Change the experience by changing the prompt.
Rewrite sections, add states, switch layouts, or adapt a design for a different persona without rebuilding from scratch.
From prompt to prototype
Your product workflow,
Your product workflow,
10x faster with Leo.
Leo keeps it simple enough for non-designers and flexible enough for serious PM work.
Build an onboarding flow for...
Describe the outcome
Explain the audience, workflow, tone, and business goal in plain English. Leo takes care of prompt engineering.
Generate locally
Leo uses your own Claude or OpenAI credentials to create the experience on your machine, locally.
→
Refine by conversation
Ask for sharper copy, new screens, mobile layouts, alternative flows, or visual changes.
HTMLCSSJS
Own the output
Keep the generated files locally, share them internally, or hand them off to engineering.
Local-first by design
Your ideas stay on your machine.
Leo runs as a desktop Electron application. Your project files remain local, your AI model is flexible. No platform lock-in.
Bring your own model credentials
Connect Claude or OpenAI directly.
No mandatory cloud or SaaS
Projects live in folders you own.
Stop paying the token premium
Leo is way cheaper than Lovable.
Easy engineering handoff
Share the code as a zip or in Git.
LOCAL
Claude
OpenAI
Local Files
Credentials encrypted on device
REACT-READY
The next frontier
Fully working React apps, ready to hand off to engineering.
Leo lets product teams design and mock complete React applications locally— including navigation, data states, and realistic user flows. Stop wrestling with TypeScript!
Dashboard.tsxPreview
export default function Dashboard() {
const metrics = [
{ label: "Active users", value: "24.8K" },
{ label: "Activation", value: "68%" },
];
return (
<main className="dashboard">
<ProductHeader />
<MetricGrid items={metrics} />
<AdoptionChart />
</main>
);
}Product health•••
Built around the PM workflow
Less ceremony. More momentum.
Traditional workflowWith Leo
First usable mockupDays or weeksMinutes
Design dependencyVery highOptional
Iteration costMeetings and ticketsA new prompt
Source ownershipTool-dependentLocal files
Stakeholder feedbackAbstractInteractive
Your next idea deserves more than a document
Build the demo.
Build the demo.
Make the case.
Move the roadmap.
Get early access to Leo, the local AI design studio for savvy product teams.
Much clearer.
Can we test this flow with customers?
Approved.
This is ready for planning.