Y Combinator

Winter 2026 Cohort

The deepest-tech YC batch in recent memory

199
Companies
~10%
Projected Unicorn Rate
1 in 8
Hardware Startups
56
AI-Native Services

🏆 Tier S - Top Picks

4

🔥 Notable Companies

16
Beacon Health
beaconhealth.ai

AI agents for primary care. Best-funded health startup in batch with $5.4M from Accel + Sequoia scout.

Pocket
heypocket.com

The world's best AI note-taking device and app. $27M ARR at seed stage - 30K+ units shipped in 5 months.

Synthetic Sciences
syntheticsciences.ai

AI co-scientists that run research end-to-end. "Claude Code for Science" - $1.4M pre-YC by 18-year-old founders.

Cardinal
trycardinal.ai

AI Platform for Precision Outbound. Already has 40+ YC companies as paying customers. 2x YC alumni founders (S23, W26).

Mendral
mendral.com

AI DevOps Engineer. Diagnoses CI failures, catches issues before deployment, and automatically implements fixes.

Voxel Energy
voxelenergy.com

Energy independent data centers with solar and repurposed batteries. Modular energy storage and delivery systems.

Servo7
servo7.com

Autonomous warehouse robots for packaging, order fulfillment, sorting, and returns processing. Quick implementation.

Chamber
usechamber.io

Autopiloting your AI infrastructure. GPU infrastructure optimization platform maximizing GPU utilization.

General Legal
general.legal

The AI native law firm for growth stage companies. Contract review and legal services with flat-fee pricing.

BeeSafe AI
beesafe.ai

Stopping scams before they reach customers. Fraud prevention platform that engages directly with scammers.

Ritivel
ritivel.com

Turn clinical trial data into FDA submission documents in minutes. AI-native regulatory platform for life sciences.

Constellation Space
constellation-io.com

AI for space mission assurance. ConstellationOS predicts and prevents satellite link failures using real-time telemetry.

Corelayer
corelayer.com

AI on-call engineer that debugs using data. Monitors logs, detects issues, and suggests fixes in production.

Remy.Ai
tryremy.ai

Automating dexterous tasks in warehouses. AI-powered robots for complex warehouse operations.

Maven
trymaven.com

Payments for Voice AI Agents. PCI-compliant card payments during live voice calls with simple integration.

Prana Health
pranadoc.com

AI primary care doctor in your pocket. 24/7 AI doctor service providing instant health answers.

📋 All Companies

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