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14,448 startups · 29 programs

Stellon Labs

Active · Building tiny frontier AI models that run on edge devices

WebsiteYC profile

Why it ranks

How the rank works
7signal of 100 · rising 5
  • went through YCProgram · this site+4
  • team of 2Team size · YC's directory+2.5

A sum of public facts, not a judgement and not investment advice.

Competitors

AICactus ComputeShared: tiny, model, deviceYC S25San FranciscoStartup →AIThe Agentic Data Co.Shared: speech modelYC F26San FranciscoStartup →AIUnsloth AIShared: model download, github star, openYC S24San FranciscoStartup →AIAnythingLLMShared: source model, github star, deviceYC S22Los AngelesStartup →AITracerShared: source model, research lab, buildingYC S26San FranciscoStartup →
Companies closest to Stellon Labs
Company
Cactus ComputeShared: tiny, model, deviceYC S25ActiveAI, Devtools
The Agentic Data Co.Shared: speech modelYC F26ActiveAI
Unsloth AIShared: model download, github star, openYC S24ActiveAI, Devtools
AnythingLLMShared: source model, github star, deviceYC S22ActiveAI, Devtools
TracerShared: source model, research lab, buildingYC S26ActiveAI, Devtools

Adjacent

OtherPlumeraiShared: tiny, device, edgeEF 2018LondonStartup →OtherKalpa LabsShared: speech model, frontier, buildingYC F25San FranciscoStartup →AISpekoShared: speech model, textYC S26San FranciscoStartup →AIInactivedeepsiliconShared: edge computing semiconductors, runYC S24San FranciscoStartup →AIRightNowShared: source model, research lab, openYC F26San FranciscoStartup →
Companies next to Stellon Labs
Company
PlumeraiShared: tiny, device, edgeEF 2018Not statedOther
Kalpa LabsShared: speech model, frontier, buildingYC F25ActiveOther
SpekoShared: speech model, textYC S26ActiveAI, Devtools
deepsiliconShared: edge computing semiconductors, runYC S24InactiveAI
RightNowShared: source model, research lab, openYC F26ActiveAI, Devtools

Also from S25 in AI

All of S25
AIInactiveAcrelyEnterprise Voice AgentsYC S25PittsburghStartup →AIAdaptionalAI-powered insurance claims reviewYC S25San FranciscoStartup →AIAgentMailEmail Inboxes for AI AgentsYC S25San FranciscoStartup →AIAlaraProcurement Platform for Dental OfficesYC S25Startup →AIAlterPrivileged Access Management for AI AgentsYC S25New York CityStartup →AIAlturVoice AI Agents for Debt CollectionYC S25Mexico CityStartup →
Company
AcrelyEnterprise Voice Agentsteam of 6InactiveAI
AdaptionalAI-powered insurance claims reviewhiringActiveAI
AgentMailEmail Inboxes for AI Agentsteam of 10hiringActiveAI, Devtools
AlaraProcurement Platform for Dental OfficesActiveAI
AlterPrivileged Access Management for AI Agentsteam of 2ActiveAI, Devtools
AlturVoice AI Agents for Debt Collectionteam of 9hiringActiveAI

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
7h ago

YC tags: Edge Computing Semiconductors, AI

Changes seen

TagsOct 19, 2026

Newly tagged AI; no longer tagged Artificial Intelligence.

Source ↗

Stellon Labs in S25: 166 companies, 92% AI

GitHub LinkedIn

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.