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Startups14,448Programs29

14,448 startups · 29 programs

Photonium

Active · AI-Powered Optical Consulting & Software

WebsiteYC profile

Why it ranks

How the rank works
10signal of 100 · rising 7
  • team of 5Team size · YC's directory+4
  • went through YCProgram · this site+4
  • hiringHiring · Titles (titles.fru.dev), YC+2

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

Competitors

AIDalusShared: system design, powered, buildingYC W25San FranciscoStartup →AIAgentic LabsShared: system design, buildingYC W24New York CityStartup →AIGroupLangShared: building softwareBetaworks AI Camp: AugmentStartup →AIXronosShared: building software, design, intelligentPlug and PlayUnited StatesStartup →OtherEliyanShared: optical, chip, systemStartup →
Companies closest to Photonium
Company
DalusShared: system design, powered, buildingYC W25ActiveAI
Agentic LabsShared: system design, buildingYC W24ActiveAI, Devtools
GroupLangShared: building softwareBetaworks AI Camp: AugmentNot statedAI
XronosShared: building software, design, intelligentPlug and Play Not statedAI, Devtools
Eliyannot in a program hereShared: optical, chip, systemElsewhereOther

Adjacent

AINormalShared: manufacturing, hardware, designYC S25San FranciscoStartup →AIInactivecamferShared: manufacturing, hardware, designYC S24San FranciscoStartup →AIDiode Computers, Inc.Shared: manufacturing, hardware, designYC S24New York CityStartup →OtherSingularityShared: manufacturing, hardware, buildingYC S23Los AngelesStartup →OtherMobius MaterialsShared: manufacturing, hardware, chipYC S20San FranciscoStartup →
Companies next to Photonium
Company
NormalShared: manufacturing, hardware, designYC S25ActiveAI
camferShared: manufacturing, hardware, designYC S24InactiveAI, Devtools
Diode Computers, Inc.Shared: manufacturing, hardware, designYC S24ActiveAI, Devtools
SingularityShared: manufacturing, hardware, buildingYC S23ActiveOther
Mobius MaterialsShared: manufacturing, hardware, chipYC S20ActiveOther

Also from X25 in AI

All of X25
AIAlmondAmerica's robot factoryYC X25San FranciscoStartup →AIBoost RoboticsRobots for the inspection and maintenance of data centersYC X25BostonStartup →AIGodelaAI Physics Engine to replace simulations and prototypesYC X25San FranciscoStartup →AIMorphoAISoftware tool for designing robots and machinesYC X25New York CityStartup →AIAcquiredBitPatrolAI-powered code securityYC X25New York CityStartup →AIBramanteLife sciences reagents and softwareYC X25BostonStartup →
Company
AlmondAmerica's robot factoryteam of 6hiringActiveAI
Boost RoboticsRobots for the inspection and maintenance of data centersteam of 2ActiveAI, Devtools
GodelaAI Physics Engine to replace simulations and prototypesteam of 10hiringActiveAI, Devtools
MorphoAISoftware tool for designing robots and machinesteam of 122 programsActiveAI
BitPatrolAI-powered code securityacquiredAcquiredAI, Devtools
BramanteLife sciences reagents and softwareteam of 2ActiveAI

Founders

  • Jennifer SongFounder/CEO
  • Adam MhatreFounder/CTO

About Photonium

Photonium is building software to automate optical system design. We supercharge optics experts with intelligent tooling to reduce costs and deliver faster. We handle the full design stack, from optimization, verification, sourcing, to prototyping, for AR/VR, quantum, biotech, metrology/chip fab, LiDAR, and more.

YC batch
X25 · Spring 2025
Status, per YC
Active
Category
AI, Developer tools
Team size
5
Location
New York City, NY, USA
Founded
2025
Checked
6h ago

YC tags: Hard Tech, Hardware, Machine Learning, B2B, Manufacturing

Photonium in X25: 144 companies, 90% AI

LinkedIn

Photonium: questions

Which YC batch was Photonium in?

Photonium was in Y Combinator's Spring 2025 batch (X25).

Is Photonium still active?

Y Combinator lists Photonium as active.

Who founded Photonium?

Photonium's founders, as listed on its YC page: Jennifer Song (Founder/CEO), Adam Mhatre (Founder/CTO).

Where is Photonium based?

Photonium lists New York City, NY, USA as its location on YC's directory.