Stellon Labs
YC S25 · Active · Building tiny frontier AI models that run on edge devices
Competitors
| Company | Category | Status | Program |
|---|---|---|---|
 Unsloth AIShared: model download, github star, open sourceActiveAI, Devtools | AI, Devtools | Active | YCS24 |
 TracerShared: source model, research lab, open sourceActiveAI, Devtools | AI, Devtools | Active | YCS26 |
 The Agentic Data Co.Shared: speech modelActiveAI | AI | Active | YCF26 |
 Kailash LabsShared: edge computing semiconductors, frontier, modelActiveAI, Data | AI, Data | Active | YCF26 |
 Experiential LabsShared: github star, open source, modelActiveAI, Devtools | AI, Devtools | Active | YCS26 |
Adjacent
| Company | Category | Status | Program |
|---|---|---|---|
 Kalpa LabsShared: speech model, frontier, buildingActiveOther | Other | Active | YCF25 |
 deepsiliconShared: edge computing semiconductors, runInactiveAI | AI | Inactive | YCS24 |
 Browser UseShared: github star, open sourceActiveAI, Devtools | AI, Devtools | Active | YCW25 |
 AfterQueryShared: research lab, frontier, modelActiveAI, Data, Devtools | AI, Data, Devtools | Active | YCW25 |
 MysticShared: source model, open source, runInactiveAI, Devtools | AI, Devtools | Inactive | YCW21 |
Also from S25 in AI
All of S25| Company | Category | Status |
|---|---|---|
 AcrelyEnterprise Voice AgentsActiveAI | AI | Active |
 AdaptionalAI-powered insurance claims reviewActiveAI | AI | Active |
 AgentMailEmail Inboxes for AI AgentsActiveAI, Devtools | AI, Devtools | Active |
 AlaraProcurement Platform for Dental OfficesActiveAI | AI | Active |
 AlterSecure access control and authorization platform for agent workflowsActiveAI, Devtools | AI, Devtools | Active |
 AlturVoice AI Agents for Debt CollectionActiveAI | AI | Active |
Founders
- Rohan JoshiFounder/CEO
- Divam GuptaFounder/CTO
About Stellon Labs
Stellon Labs is an AI research lab that is building tiny frontier AI models that can run on edge devices like smartphones, wearables and embedded systems. Our first open source model, KittenTTS, is a super-tiny text-to-speech model, that got 8K Github stars and 45K model downloads within 2 weeks of launching.
- YC batch
- S25 · Summer 2025
- Status, per YC
- Active
- Category
- AI, Developer tools
- Team size
- 2
- Location
- San Francisco, CA, USA
- Founded
- 2025
- Checked
- 36m ago
YC tags: Artificial Intelligence, Edge Computing Semiconductors
Stellon Labs: questions
Which YC batch was Stellon Labs in?
Stellon Labs was in Y Combinator's Summer 2025 batch (S25).
Is Stellon Labs still active?
Y Combinator lists Stellon Labs as active.
Who founded Stellon Labs?
Stellon Labs's founders, as listed on its YC page: Rohan Joshi (Founder/CEO), Divam Gupta (Founder/CTO).
Where is Stellon Labs based?
Stellon Labs lists San Francisco, CA, USA as its location on YC's directory.
Sources: each program's public company list, read twice a week. Not affiliated with Y Combinator or any other program. Logos via logo.dev; trademarks belong to their owners.