YCS26· OtherKara
Making Diamond Semiconductors
Founders
Not read from YC yet; the weekly run fills these in.
Same space
Competitors
Closest in what they build, same category.
Adjacent
Overlapping tags, a different niche.
NormalS25Testing and certifying the hardware of the futureShared: hardware, manufacturingActive
SinterF26Accelerating scaled plastics with additive technologiesShared: manufacturing, advanced materialsActive
MOVEdotF25AI Agents for Hardware EngineeringShared: hardware, manufacturingActive
JupeS21Just add landShared: hardware, manufacturingInactive
Diode Computers, Inc.S24Automate circuit board design using AIShared: hardware, manufacturingActive
Also from S26
Batchmates in Summer 2026.
ProvenMetalS26AI-native electronics manufacturing for the American industrial baseActive
UltrasoniumS26Metal manufacturing, faster, cheaper, and more versatile.Active
83 SciencesS26AI-native materials discovery powered by unpublished experimental dataActive
BizmarkS26OpenClaw for manufacturersActive
CarSignalS26The AI Operating System for Auto Shops.Active
DeepReach Inc.S26Network for Physical AI Data BusinessActive
About Kara
Kara is building diamond semiconductors. We begin with growing ultra-high purity diamond wafers for advanced hardware. Used in data centers, spacecrafts, RF systems, and quantum hardware, our diamond moves heat up to 5× better than copper, helping critical systems run cooler, faster, and more reliably. Diamond has spent centuries as a symbol. We are turning it into infrastructure.
San Francisco, CA, USA
Kara: questions
Which YC batch was Kara in?
Kara was in Y Combinator's Summer 2026 batch (S26).
Is Kara still active?
Y Combinator lists Kara as active.
Where is Kara based?
Kara lists San Francisco, CA, USA as its location on YC's directory.
Not affiliated with Y Combinator. From YC's public directory. Logos via logo.dev; trademarks belong to their owners.