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Karumi

24/7 AI demo agent for B2B SaaS

Karumi is an AI agent that joins a live video call with your prospects to deliver personalized product demos, 24/7, in any language. It bridges the gap between your landing page and your sales team by engaging visitors at the peak of their interest, turning curiosity into conversion. For those not ready to talk to sales but eager to explore, Karumi offers the next generation of interactive, self-guided demos.
Active Founders
Pablo Omenaca
Pablo Omenaca
Founder
Previous founder engineer & COO at StackAI (YC W23), I am now building Karumi, an AI agent to help GTM teams understand software products.
Toni Lopez
Toni Lopez
Founder
Building Karumi, prev Stack AI (YC W23), IBM Research Three times founder
Company Launches
Karumi - Your AI demo agent. 24/7.
See original launch post

TL;DR: Skip the reading! Karumi delivers personalized product demos, and it’s faster if our agent just shows you! Demo now


Hi all! We are Toni and Pablo, and we are proud to launch Karumi.

Most companies still demo like it’s 1990. Be honest: when was the last time you found someone available right now to give you a live demo?

Users don’t want to wait; they want to see how your product makes their lives easier.

That’s why we built Karumi, an AI agent that delivers personalized demos, 24/7, and in any language.

https://youtu.be/pAgt4iZMOGs

Forget pre-recorded videos. Karumi gives your users a real demo experience - a live, interactive video call with an AI agent that:

  • Matches human reps in clarity and engagement.
  • Is always available, regardless of timezone.
  • Has access to a browser (it opens tabs, navigates your product, etc.)
  • Is hyper‑personalized, pulling in every piece of contextual data (prospect profile, product knowledge) to tailor the conversation.
  • Auto‑trains on your product and business changes, staying up‑to‑date without manual input.

You can also see it in live in Deel’s platform here:

https://www.loom.com/share/e7f7e00f2284478e8335f8f4d4dac6bd


Why did we build Karumi?

As SaaS companies scale, inbound leads grow quickly. Demo requests pour in, and human reps can only handle so many before leads start slipping through the cracks. The result:

❌ High-intent leads wait days for a personalized demo.

❌ Smaller accounts go unserved.

❌ Reps spend time chasing the wrong fits instead of closing deals.

❌ Quantity of demos takes priority, leaving quality and personalization behind.

Traditional sales motions don’t scale linearly with demand. Every new lead either adds friction or requires more headcount, creating bottlenecks and lost opportunities.

Why does it matter?

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Every minute of delay between interest and engagement means lost revenue, especially in today’s crowded software landscape. Karumi closes that gap, giving every lead personalized attention at the moment of highest intent, including those who are currently underserved.

Our customers use Karumi to:

✅ Improve conversion rates from landing page visits to meetings.

✅ Serve segments that previously went unserved.

✅ Shorten sales cycles by combining discovery, qualification & demonstration steps.

✅ Capture inbound demand during product launches or marketing surges.

Our ask

Try Karumi today on our platform! Here the link to try our demo now! (Open it on your laptop!) →

https://www.karumi.ai/meet/start/d461afa6-f0d8-4bbe-83ac-ee88a7dbc303

Want to talk with us?

More about the team:

We faced this problem firsthand at our previous company, StackAI (YC W23). Our GTM team struggled to keep up with product changes and deliver consistent demos at scale. They were constantly pulled into demos with customers, so we built an AI agent to do it for them:

  • Toni Lopez (CTO) - founding engineer at StackAI (YC W23), software developer at IBM Research, serial entrepreneur

  • Pablo Omenaca (CEO) - COO & founding engineer at StackAI (YC W23), MIT grad, BCG Gamma

    uploaded image

YC Photos
Jobs at Karumi
New York, NY, US / San Francisco, CA, US
$120 - $180
0.50% - 2.00%
6+ years
San Francisco, CA, US / New York, NY, US
$100 - $170
0.20% - 2.00%
3+ years
Karumi
Founded:2025
Batch:Fall 2025
Team Size:2
Status:
Active
Primary Partner:Nicolas Dessaigne