Home· YC AI· Summer 2025
Y COMBINATOR · S2025

YC Summer 2025 AI Companies

Every AI company in Y Combinator's Summer 2025 batch — 97 startups, 96 still active, 1 acquired. Team sizes, verticals, and locations.

Companies
97
Active
96
Acquired
1
Headcount
324
Dossiers
0
Verticals in this batch 91 tracked
b2b32 developer tools20 saas14 infrastructure8 enterprise software7 consumer6 productivity6 open source6
All 97 companies largest first
F2
The AI platform for private markets investors
S2025 Est. 2025 20 people New York
Dedalus Labs
Compute substrate for AI agents
S2025 Est. 2025 10 people San Francisco
Veritus
AI agents for the consumer lending industry
S2025 Est. 2025 10 people San Francisco
Reacher
We automate creator marketing for the world's largest brands
S2025 Est. 2024 10 people San Francisco
Cactus
Low-latency AI engine for mobile devices & wearables
S2025 Est. 2025 8 people San Francisco
Fleetline
Optimizing fleet planning with data driven algorithms
S2025 Est. 2025 7 people New York
Interfere
Build software that never breaks
S2025 Est. 2025 7 people New York
Finto
AI accounting for enterprise finance teams
S2025 Est. 2025 7 people Munich
RealRoots
AI social app for women
S2025 Est. 2024 7 people San Francisco
Knowlify
The AI Explainer Video Maker
S2025 Est. 2025 6 people San Francisco
Blue
Your phone finally has someone to run it. Plug in Blue, just ask.
S2025 Est. 2024 6 people San Francisco
KERNEL
Crazy fast, open source infra for AI agents to use the Internet
S2025 Est. 2025 6 people San Francisco
Humoniq
AI-Native BPO for travel & transport
S2025 Est. 2025 6 people San Francisco
Astor
AI advisor for retail investors
S2025 Est. 2025 5 people San Francisco
GhostEye
Vulnerability Management for the Human Layer
S2025 Est. 2025 5 people New York
Notte
Reliable Web Agents for Enterprise
S2025 Est. 2025 5 people San Francisco
Luminal
Making AI run fast on any hardware.
S2025 Est. 2025 5 people San Francisco
Channel3
Database of every product on the internet
S2025 Est. 2025 5 people New York
Wafer
AI that makes AI fast
S2025 Est. 2025 5 people San Francisco
Stormy AI
Al platform that makes social marketing as easy as running a Google…
S2025 Est. 2024 5 people San Francisco
Char
The AI notepad that knows and works for you
S2025 Est. 2023 4 people San Francisco
Serafis
The AI knowledge graph for institutional investors
S2025 Est. 2025 4 people San Francisco
Datafruit
The AI workspace for software implementations
S2025 Est. 2025 4 people San Francisco
Lilac
We automatically monetize idle GPUs
S2025 Est. 2025 4 people San Francisco
Shor
The fastest, most affordable payroll for global teams
S2025 Est. 2025 4 people San Francisco
Omnara
Mobile & Web Interface for Claude Code & Codex
S2025 Est. 2025 4 people San Francisco
Doe
The boring stuff, handled. Everything else, supercharged.
S2025 Est. 2025 4 people San Francisco
Lanesurf
Voice AI for booking freight
S2025 Est. 2025 4 people San Francisco
Manufact (formerly mcp-use)
Open source SDK & cloud infrastructure for MCP Servers & ChatGPT Apps
S2025 Est. 2025 4 people
Embedder
AI Firmware Engineer
S2025 Est. 2025 4 people San Francisco
Altur
Voice AI Agents for Debt Collection
S2025 Est. 2023 4 people Mexico City
Maximal
Maximal is a planning agent for commercial truck fleets
S2025 Est. 2025 3 people San Francisco
Trace
Context-aware orchestration between humans and AI.
S2025 Est. 2025 3 people London
burnt
Agentic Operating System for Food Supply Chain
S2025 Est. 2023 3 people San Francisco
Paloma
AI-native CRM for putting post-sales operations on autopilot
S2025 Est. 2025 3 people San Francisco
NOSO LABS
Build AI agents for field technicians to diagnose and sell 10x better
S2025 Est. 2025 3 people San Francisco
Blank Bio
RNA-based AI for better drugs and smarter clinical trials.
S2025 Est. 2025 3 people San Francisco
Fluidize
Helping scientists and engineers run experiments with AI.
S2025 Est. 2025 3 people San Francisco
Design Arena
World's largest crowdsourced benchmark for AI-generated design
S2025 Est. 2025 3 people San Francisco
truthsystems
Automatically blocking risky behavior with real-time governance agents
S2025 Est. 2023 3 people San Francisco
Certus AI
Replacing the restaurant phone line with Voice AI
S2025 Est. 2025 3 people San Francisco
VibeFlow
Lovable, n8n and a database all in one platform
S2025 Est. 2025 3 people San Francisco
PARES AI
AI-native real estate services firm
S2025 Est. 2025 3 people Los Angeles
Rebulk
Accurately measure and monitor bulk inventory
S2025 Est. 2025 3 people Olathe
Phases
Automated clinical trial oversight and execution
S2025 Est. 2025 3 people San Francisco
Nozomio
index anything. search it with ai.
S2025 Est. 2025 3 people San Francisco
Slashy
Cursor for Email
S2025 Est. 2025 3 people San Francisco
Pally
Intelligent Unified Inbox + Personal CRM
S2025 Est. 2024 3 people San Francisco
Nexa Labs
Implantable microchips and AI for cattle monitoring
S2025 Est. 2025 3 people San Francisco ACQUIRED
Foresight
On-demand consumer insights
S2025 Est. 2025 2 people New York City
RowFlow
Replacing forms with AI conversations
S2025 Est. 2025 2 people New York
Topological
Physics-based foundation models for CAD optimization.
S2025 Est. 2025 2 people San Francisco
Stellon Labs
Building tiny frontier AI models that run on edge devices
S2025 Est. 2025 2 people San Francisco
Panels
Audio Data for AI Labs
S2025 Est. 2025 2 people San Francisco
Lark
The E2E testing layer for AI-driven development
S2025 Est. 2025 2 people San Francisco
LLM Stats
Independent AI evaluations lab
S2025 Est. 2025 2 people New York
Interface
The world model research lab
S2025 Est. 2025 2 people New York
Normal
Testing and certifying the hardware of the future
S2025 Est. 2025 2 people San Francisco
Frizzle
AI Grading for Teachers
S2025 Est. 2025 2 people New York City
CLODO
Planet-scale people discovery.
S2025 Est. 2025 2 people San Francisco
Meteor
An AI-Native Browser
S2025 Est. 2025 2 people San Francisco
Playgent
Sandboxes for AI agents
S2025 Est. 2025 2 people San Francisco
Lotas
AI for Data Science and 3D
S2025 Est. 2025 2 people San Francisco
ContextFort
Visibility and Controls for Browser Agents
S2025 Est. 2025 2 people San Francisco
Eden
AI sales practice using your real deals
S2025 Est. 2025 2 people New York
MangoDesk
RL environments for software engineering
S2025 Est. 2025 2 people San Francisco
Floot
The easiest way for non-coders to build apps with AI.
S2025 Est. 2025 2 people San Francisco
ProcIndex
AI Agents for Accounting Operations
S2025 Est. 2025 2 people San Francisco
Liva AI
Audio & Video Data
S2025 Est. 2025 2 people San Francisco
Panoptive
The oversight engine for clinical trials
S2025 Est. 2026 2 people San Francisco
Stockline
AI-native ERP for food wholesalers
S2025 Est. 2025 2 people San Francisco
Mimos
Helping companies rank in AI search
S2025 Est. 2025 2 people New York City
Monarcha
Turn maps into data
S2025 Est. 2025 2 people San Francisco
Outrove
Ultra-realistic AI Recruiter
S2025 Est. 2025 2 people San Francisco
DeepAware AI
Robots, parts & RL environments - delivered in 72 hrs or pickup in SF.
S2025 Est. 2025 2 people San Francisco
Okibi
Build AI coworkers using natural language, it's Lovable for agents
S2025 Est. 2025 2 people San Francisco
SigmanticAI
The Cursor for Chip Design - Delivering Silicon-Ready Chip Designs…
S2025 Est. 2025 2 people Dublin
Parachute
Infrastructure for hospitals to monitor and deploy clinical AI
S2025 Est. 2025 2 people New York City
Alter
Secure access control and authorization platform for agent workflows
S2025 Est. 2025 2 people New York
TectoAI
A Platform for AI Governance
S2025 Est. 2025 2 people San Francisco
GoRiff
Personalized AI Stories with Music
S2025 Est. 2025 2 people San Francisco
stagewise
The Open Source Agentic IDE
S2025 Est. 2024 2 people San Francisco
Magnitude
Open source coding agent
S2025 Est. 2025 2 people San Francisco
Closera
AI Shopping Agent for Your Ecommerce Store
S2025 Est. 2025 2 people San Francisco
Kestroll
No description available
S2025 2 people San Francisco
Autosana
AI agents for E2E testing across mobile & web
S2025 Est. 2025 2 people San Francisco
CareSwift
AI scribe for Ambulance Reports
S2025 Est. 2025 2 people New York
Skope
AI Agents for Law Firms.
S2025 Est. 2025 2 people San Francisco
Cyberdesk
Self learning computer use agent for developers
S2025 Est. 2025 2 people San Francisco
Riverbank
AI-native Red Teaming and Offensive Security
S2025 Est. 2025 1 people Boston
Bizzy AI
Bizzy works 24/7 so you never miss a lead.
S2025 Est. 2025 New York City
Adaptional
AI-powered insurance claims review
S2025 Est. 2024 San Francisco
Relling
video research lab
S2025 Est. 2025 San Francisco
Pleom
Agentic Business Intelligence
S2025 Est. 2025
Alara
Procurement Platform for Dental Offices
S2025 Est. 2025
Motives
Consumer focus groups run by AI
S2025 London
Proliferate
Manage a team of agents from your desktop
S2025 Est. 2025 San Francisco
Every batch 38 tracked
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