Home· YC AI· Spring 2025
Y COMBINATOR · P2025

YC Spring 2025 AI Companies

Every AI company in Y Combinator's Spring 2025 batch — 77 startups, 77 still active, 0 acquired. Team sizes, verticals, and locations.

Companies
77
Active
77
Acquired
0
Headcount
334
Dossiers
0
Verticals in this batch 76 tracked
b2b21 developer tools13 consumer10 robotics9 saas7 infrastructure6 reinforcement learning6 sales5
All 77 companies largest first
Synthio Labs
Agentic AI platform for Pharma GTM teams
P2025 Est. 2024 29 people San Francisco
Lucis
Function Health for Europe
P2025 Est. 2025 17 people Paris
throxy
Vertical AI agents that run the sales funnel on autopilot
P2025 Est. 2023 15 people London
QualGent
AI Mobile App Quality Assurance Tester
P2025 Est. 2025 10 people San Francisco
Sixtyfour
Intelligence Infrastructure on People and Entities
P2025 Est. 2025 8 people San Francisco
Naïve
Autonomous Company Infrastructure
P2025 Est. 2025 8 people San Francisco
Kaelio
The context layer your data agents need
P2025 Est. 2024 8 people
Blaxel
The perpetual sandbox platform
P2025 Est. 2024 8 people San Francisco
Vision Lab
Industrial data layer for robotics training
P2025 Est. 2025 8 people San Francisco
Bluejay
Test, monitor, and improve your voice and chat AI agents
P2025 Est. 2025 7 people San Francisco
Theta
Specialized AI for Every Job
P2025 Est. 2025 7 people San Francisco
MorphoAI
Software tool for designing robots and machines
P2025 Est. 2024 7 people New York
Willow
The voice interface replacing your keyboard
P2025 Est. 2025 7 people San Francisco
HelixDB
The fastest & most scalable graph-vector database on the market
P2025 Est. 2025 6 people London
Besimple AI
Voice data for AI
P2025 Est. 2025 6 people San Francisco
Mbodi AI
Industrial Robots that Learn and Operate Like Humans
P2025 Est. 2024 6 people New York
Sim
Open source platform to build AI agent workflows
P2025 Est. 2025 6 people San Francisco
Crimson
The AI Associate for Litigation Lawyers
P2025 Est. 2025 6 people London
Parsewise
Multi-document processing for your risk teams, AI agents, pipelines
P2025 Est. 2024 6 people London
Nomi
Realtime Sales Copilot
P2025 Est. 2025 5 people San Francisco
Lumari
AI Digital Workers for Supply Chain
P2025 Est. 2025 5 people San Francisco
Zeon Systems
AI-powered robotics for scientific lab automation.
P2025 Est. 2025 5 people San Francisco
Tinfoil
Encrypted AI with verifiable privacy
P2025 Est. 2024 5 people San Francisco
Eloquent AI
The AI Operator for Financial Services
P2025 Est. 2025 5 people San Francisco
Clidey
Model your organization. Run it in real time.
P2025 Est. 2025 4 people San Francisco
Godela
AI Physics Engine to replace simulations and prototypes
P2025 Est. 2025 4 people San Francisco
Moby Analytics
AI financial auditors
P2025 4 people Paris
Lyra
AI native meeting platform
P2025 Est. 2024 4 people New York City
Adentris
Real-time AI Compliance for Medical Documentation
P2025 Est. 2025 4 people San Francisco
Text.ai
Alfi - your group chat with social skills to bring friends closer
P2025 Est. 2024 4 people San Francisco
Rimba
Streamlining Data Capture to Report Creation for Heavy Industries
P2025 Est. 2024 4 people San Francisco
Freesolo
Product Native Models
P2025 Est. 2025 4 people San Francisco
Nimbic AI
Automatically write and update internal docs with every code commit.
P2025 Est. 2025 3 people San Francisco
Beluga
Influencer marketing that converts
P2025 Est. 2024 3 people San Francisco
The LLM Data Company
Frontier models for critical domains
P2025 Est. 2025 3 people San Francisco
Hemut
AI-powered operating system for trucking companies.
P2025 Est. 2024 3 people San Francisco
Acolite
AI Teammates for Insurance Agencies
P2025 Est. 2024 3 people New York
Mesmer
Cursor for CTOs
P2025 Est. 2025 3 people San Francisco
Notus Autonomous Systems
Arbitrary size interference resistant drone swarms using EHF radios
P2025 Est. 2025 3 people Los Angeles
Kestral
We automate your entire product development lifecycle.
P2025 Est. 2025 3 people San Francisco
Orchid
A personal EA in your iMessage
P2025 Est. 2025 3 people San Francisco
Scalar Field
Reinventing the trading terminal — one intelligent agent at a time.
P2025 Est. 2025 3 people
Percival
Accelerating data analysis for research
P2025 Est. 2025 3 people San Francisco
YouLearn
AI tutor for each student.
P2025 Est. 2024 3 people San Francisco
Almond
Robot hardware for AI
P2025 Est. 2025 3 people San Francisco
Human Behavior
Understand your users beyond the numbers
P2025 Est. 2025 3 people San Francisco
Code Four
Modernizing the police workflow.
P2025 Est. 2025 3 people San Francisco
Klavis AI
Live Environments for Training AI Agents
P2025 Est. 2025 3 people
Wavedash
Play the latest games in your browser with no downloads
P2025 Est. 2024 3 people San Francisco
Boost Robotics
Robots for the inspection and maintenance of data centers
P2025 Est. 2025 2 people Boston
Anana
The agentic system of action for hotel groups and management companies
P2025 Est. 2025 2 people New York
Kairos
Specialized AI for Critical Industries
P2025 Est. 2025 2 people San Francisco
Kashikoi
Simulation Engine for Benchmarking AI Products
P2025 Est. 2025 2 people San Francisco
Clarm
Capture inbound revenue whilst you build
P2025 Est. 2025 2 people San Francisco
stratify
AI agents that help you understand your customers' needs
P2025 Est. 2025 2 people San Francisco
Bramante
Life sciences instrument and reagent manufacturing
P2025 Est. 2024 2 people Cambridge
Chestnut
The first AI mortgage lender
P2025 Est. 2025 2 people San Francisco
StarSling
Self-Driving CI
P2025 Est. 2025 2 people San Francisco
Kirana AI
AI manager for physical stores
P2025 Est. 2025 2 people New York
Cohesive
The agentic CRM for blue-collar services
P2025 Est. 2024 2 people New York
Docket
AI agents for web testing
P2025 Est. 2025 2 people San Francisco
BitBoard
Let your agent build dashboards and reporting.
P2025 Est. 2025 2 people San Francisco
Cactus
All-In-One AI Growth Partner. Built for Trades.
P2025 Est. 2024 2 people San Francisco
Morphik
Open-source multimodal search for AI apps
P2025 Est. 2025 2 people San Francisco
Golf
Agentic AI Security and Governance
P2025 Est. 2025 2 people San Francisco
TypeOS
AI that sounds like you, where you work.
P2025 Est. 2025 2 people San Francisco
Plexe
Open-source agents to build predictive ML models from a prompt
P2025 Est. 2025 2 people London
nao Labs
Open Source Analytics Agent
P2025 Est. 2024 2 people San Francisco
Ralo
Find Your Best Mortgage Deal
P2025 Est. 2025 2 people New York City
Frekil
Accelerate Real World Evidence (RWE) Generation from months to minutes
P2025 Est. 2025 2 people Bengaluru
Sureform
Real-world data for multimodal and embodied AI
P2025 Est. 2025 2 people Palo Alto
Chonkie
Deep research on autopilot
P2025 Est. 2025 2 people San Francisco
Waffle
Make an AI version of yourself
P2025 Est. 2025 2 people London
neoncoral
🪸 AI consumer social
P2025 Est. 2025 1 people San Francisco
Tegore
Your new AI-powered math tutor.
P2025 Est. 2025 1 people San Francisco
Cartpole
Building reinforcement learning environments
P2025 Est. 2025 1 people San Francisco
HABIT
Conversational robots for physical businesses.
P2025 Est. 2025 El Segundo
Every batch 38 tracked
Fall 2026Summer 2026Spring 2026Winter 2026Fall 2025Summer 2025Spring 2025Winter 2025Fall 2024Summer 2024Winter 2024Summer 2023Winter 2023Summer 2022Winter 2022Summer 2021Winter 2021Summer 2020Winter 2020Summer 2019Winter 2019Summer 2018Winter 2018Summer 2017Winter 2017Summer 2016Winter 2016Summer 2015Winter 2015Summer 2014Winter 2014Summer 2013Winter 2013Summer 2012Winter 2012Summer 2011Summer 2009Summer 2008

The AI industry,
just said.

6:30 AM PT, Monday through Friday. Free.

No referral program. No upsell. Unsubscribe is one click.