Home· YC AI· Winter 2024
Y COMBINATOR · W2024

YC Winter 2024 AI Companies

Every AI company in Y Combinator's Winter 2024 batch — 137 startups, 131 still active, 6 acquired. Team sizes, verticals, and locations.

Companies
137
Active
131
Acquired
6
Headcount
1,411
Dossiers
2
Verticals in this batch 113 tracked
b2b39 saas23 developer tools23 ai assistant14 generative ai13 consumer12 automation10 sales10
All 137 companies largest first
Legora
The AI workspace for lawyers
W2024 Est. 2023 400 people Stockholm DOSSIER
Model ML
AI Workspace for Financial Services.
W2024 Est. 2023 80 people London DOSSIER
Retell AI
Supercharge Your Contact Center Operations with AI Phone Agents
W2024 Est. 2023 40 people Redwood City
Artisan
AI employees called Artisans, starting with an AI BDR
W2024 Est. 2023 37 people San Francisco
Reducto
The most accurate API to parse documents
W2024 Est. 2023 30 people San Francisco
Alex
Your AI recruiter for interviewing and identifying the best talent
W2024 Est. 2023 30 people San Francisco
Salvy
Mobile carrier for businesses in Brazil
W2024 Est. 2022 27 people Curitiba
Greenboard
Modern OS for the financial back office.
W2024 Est. 2023 26 people New York
Trellis AI
AI for streamlining healthcare paperwork
W2024 Est. 2024 25 people San Francisco
Onyx
Open Source AI Chat
W2024 Est. 2023 20 people San Francisco
Toma
AI for Underserved Industries
W2024 Est. 2024 20 people San Francisco
Greptile
AI code review agent with complete context of your codebase
W2024 Est. 2023 20 people San Francisco
Conduit
Conversational AI agents for Customer Service.
W2024 Est. 2024 18 people San Francisco
Arini
AI receptionist for dentists
W2024 Est. 2024 17 people San Francisco
OffDeal
AI-native investment bank for small businesses
W2024 Est. 2023 15 people New York
Parallel
AI agents for healthcare admin
W2024 Est. 2024 15 people Paris
PointOne
AI Time Platform for Law Firms
W2024 Est. 2023 15 people New York
Tamarind Bio
AI Inference Platform for Drug Discovery
W2024 Est. 2023 15 people San Francisco
Carma
The AI Operating System For Modern Fleets.
W2024 Est. 2024 15 people San Francisco
Ubicloud
Open source alternative to AWS
W2024 Est. 2023 15 people
ProSights
ProSights is an AI-native data extraction tool for financial…
W2024 Est. 2023 14 people New York
Clarion
The AI communication layer for healthcare
W2024 Est. 2024 14 people New York
Deepnight
Building The Next Generation of Night Vision Devices
W2024 Est. 2024 13 people San Francisco
Yondu
Robots to Automate Fulfillment
W2024 Est. 2024 12 people Los Angeles
RetailReady
An AI-powered supply chain compliance engine
W2024 Est. 2024 12 people San Francisco
Topo
AI Agents for outbound working by your side
W2024 Est. 2023 12 people Paris
Momentic
The AI-native automated testing platform
W2024 Est. 2023 12 people San Francisco
StarJar
Starjar automates inbound document processing workflows for hospitals
W2024 Est. 2023 11 people ACQUIRED
K-Scale Labs
Open-source humanoid robots
W2024 Est. 2024 10 people Palo Alto
Respan
Self-driving observability, evals, and gateway for AI agents
W2024 Est. 2023 10 people San Francisco
Reform
Workflow automation. Built for logistics.
W2024 Est. 2023 10 people San Francisco
Andon Labs
Autonomous organizations without humans in the loop
W2024 Est. 2023 10 people San Francisco
Raindrop
Sentry for AI Agents
W2024 Est. 2023 9 people San Francisco
ego
AI applied research lab building synthetic sapience; human-like AI
W2024 Est. 2023 9 people San Francisco
Marr Labs
AI-voice agents that are indistinguishable from humans.
W2024 Est. 2023 9 people San Francisco
GetCrux
AI Creative Strategist
W2024 Est. 2022 9 people San Francisco
Aether
AI sales platform for home services
W2024 Est. 2024 8 people San Francisco
LemonSlice
Give your voice agents a face
W2024 Est. 2024 8 people California St
Sonia
Validated mental health support in your pocket, anytime.
W2024 Est. 2023 8 people San Francisco
Senso
Control what AI says about you
W2024 Est. 2024 8 people Toronto
Pivot Robotics
AI for Robot Arms in Factories
W2024 Est. 2023 7 people San Francisco
Pazi
Platform where autonomous companies are built
W2024 Est. 2026 7 people
Navier AI
Agent-Driven Engineering
W2024 Est. 2023 7 people San Francisco
Diana
Give Your Employee An Employee
W2024 Est. 2023 7 people San Francisco
Trieve
All-in-one API for search, RAG, & recommendations
W2024 Est. 2023 7 people San Francisco ACQUIRED
CommodityAI
The AI operating system for commodity operations
W2024 Est. 2024 6 people San Francisco
Yarn
Make sales and marketing videos with AI.
W2024 Est. 2023 6 people New York
Whip
A social feed for interactive AI Creations
W2024 Est. 2023 6 people San Francisco
Ocular AI
AI-Native Data Engine for LLMs, Computer Vision, & Enterprise AI
W2024 Est. 2024 6 people San Francisco
Openmart
Local business data intelligence platform
W2024 Est. 2023 6 people Foster City
VoxOps AI
Voice AI for Automotive
W2024 Est. 2023 6 people London
Centralize
The relationship intelligence platform for enterprise revenue
W2024 Est. 2023 6 people San Francisco
Mathos
Ultimate AI Math Problem Solver to Revolutionize Personalized Learning
W2024 Est. 2023 5 people San Francisco
Aqua Voice
Frontier Voice Input - write 4x faster than typing.
W2024 Est. 2023 5 people San Francisco
Zep AI
Agent Context Is Hard. We Fixed It.
W2024 Est. 2023 5 people San Francisco
Meticulate
Making it easy for B2B sales teams to send stellar outbound
W2024 Est. 2024 5 people San Francisco
Veles
CPQ for humans and agents
W2024 Est. 2023 5 people Santa Barbara
Spark
AI-powered workflows for energy infrastructure
W2024 Est. 2023 5 people
Andy AI
Faster clinical documentation for home health nurses
W2024 Est. 2023 5 people 380 Alabama St
Manifold Freight
Aggregating Spot Freight Opportunities for Carriers
W2024 Est. 2024 5 people Seattle
Tuesday Lab
Delightful robots
W2024 Est. 2023 5 people New York
Alai
Create high quality presentations quickly using AI
W2024 Est. 2023 5 people
BetterBasket
Smart grocery pricing with AI
W2024 Est. 2023 5 people San Francisco
Shepherd
Every student's personalized learning assistant
W2024 Est. 2023 5 people
Hazel
AI-enabled procurement for government
W2024 Est. 2024 5 people New York
Marblism
AI Employees who love overtime
W2024 Est. 2024 5 people London
Million
Tools for agent verification
W2024 Est. 2023 5 people San Francisco
OmniAI
AI Agents for Commercial Lending
W2024 Est. 2023 5 people San Francisco
Upsolve AI
Deploy trustworthy data agent that know your business
W2024 Est. 2023 5 people
EdgeTrace
Describe It. Find It. Act On It.
W2024 Est. 2024 4 people San Francisco
Event Horizon Labs
AI-native hedge fund using agents to automate quant research—at scale
W2024 Est. 2023 4 people San Francisco
Integuru
Generate the most robust APIs with any website
W2024 Est. 2024 4 people San Francisco
Decipher AI
QA agents that write tests 10x faster with zero maintenance
W2024 Est. 2023 4 people San Francisco
Brainbase Labs
The AI Labor Company
W2024 Est. 2024 4 people San Francisco
JustAI
Agentic Marketing Platform
W2024 Est. 2024 4 people San Francisco
InQuery
Intelligent Medical Record Reviews
W2024 Est. 2023 4 people New York City
Rove
Travel the world for free.
W2024 Est. 2023 4 people New York
DryMerge
AI that updates your CRM for you
W2024 Est. 2023 4 people San Francisco
Tusk
AI agent that generates unit and integration tests
W2024 Est. 2023 4 people San Francisco
Keystroke
n8n for coding agents
W2024 Est. 2023 4 people Salt Lake City
Duckie
Build AI Support Agents in Minutes
W2024 Est. 2023 4 people San Francisco
Tower
M&A due diligence platform powered by AI
W2024 Est. 2024 3 people San Francisco
PandasAI
PandasAI is an open-source conversational data analysis platform with…
W2024 Est. 2023 3 people Munich
Happenstance
People search powered by AI
W2024 Est. 2023 3 people San Francisco
Risotto
Risotto auto-solves IT support requests using AI
W2024 Est. 2023 3 people San Francisco
nCompass Technologies
Optimize performance on GPUs - 10x faster
W2024 Est. 2024 3 people New York
Cora
AI Fitness Coach
W2024 Est. 2023 3 people San Francisco
Attunement
Attunement turns fragmented behavioral health records into structured…
W2024 Est. 2024 3 people San Francisco
kater.ai
Deliver complete data analysis from a single question
W2024 Est. 2023 3 people San Francisco
Maihem
Adaptive AI welding robots for manufacturers of any scale
W2024 Est. 2023 3 people London
Forge
Getting companies refunds on tariffs & duties
W2024 Est. 2023 3 people New York
AveryIQ
AI Copilot for Property Managers and Landlords
W2024 Est. 2025 3 people Austin
InspectMind AI
AI agent for construction drawings review
W2024 Est. 2023 3 people San Francisco
Silogy
An AI-powered test and debug platform for chip developers
W2024 Est. 2023 3 people New York
Precip
High precision AI weather models
W2024 Est. 2023 3 people
camelAI
AI software engineer that lives on its own computer
W2024 Est. 2023 3 people San Francisco
14.ai
AI engine powering autonomous brands starting with gloglo.com
W2024 Est. 2024 3 people San Francisco
ion design
AI that creates & tests 100s of landing pages for your product
W2024 Est. 2023 3 people San Francisco
Speck
AI Notetaker that automates all your admin work
W2024 Est. 2023 3 people San Francisco ACQUIRED
TokenOwl
AI portfolio tools for the next generation of finance
W2024 Est. 2023 2 people New York
OpenFoundry
The fastest developer experience for building on open source AI.
W2024 Est. 2024 2 people San Francisco
Pretzel AI
AI tooling
W2024 Est. 2024 2 people Berlin
Forge Rewards
Starbucks app for restaurants
W2024 Est. 2023 2 people San Francisco
Clarum
AI agents for private market diligence, monitoring, and reporting
W2024 Est. 2023 2 people San Francisco
Saga AI
Voice Agents for Healthcare Operations
W2024 Est. 2024 2 people San Francisco
Copper Health
Modern patient engagement and remote therapeutic monitoring platform
W2024 Est. 2024 2 people San Francisco
Vibrant Labs
RL environments for long horizon AI Agents
W2024 Est. 2023 2 people San Francisco
Focal
AI video creation tool for TV shows and movies
W2024 Est. 2023 2 people San Francisco
Agentic Labs
AI system design tools for dev teams
W2024 Est. 2023 2 people New York
Ecliptor
AI and Embeddings.
W2024 Est. 2023 2 people San Francisco
Soundry AI
Remix any song into any style
W2024 Est. 2023 2 people Seattle
Ellipsis
AI code reviews & bug fixes
W2024 Est. 2023 2 people New York City
Dragoneye
Custom video detection models in less than 5 minutes
W2024 Est. 2023 2 people New York
Latted
A Unified Editor For AI Video
W2024 Est. 2024 2 people San Francisco
Nuanced
Nuanced makes AI coding agents and tools smarter with static analysis.
W2024 Est. 2023 2 people San Francisco
Lumetric
The AI Analyst For Deal Teams
W2024 Est. 2024 2 people San Francisco
Fluently
Speaking coach for non-native English professionals
W2024 Est. 2023 2 people San Francisco
Basepilot
AI agents for insurance claims
W2024 Est. 2024 2 people San Francisco
SevnAI
AI Gaming
W2024 Est. 2024 2 people 2261 Market St #5744
Preloop
Translate your experimental scripts into production ML services
W2024 Est. 2023 2 people Seattle
Adapted
AI physical therapy for athletes
W2024 Est. 2024 2 people San Francisco
Magic Hour
Platform for AI video generation.
W2024 Est. 2023 2 people San Francisco
Superagent
Red teaming for AI agents
W2024 Est. 2024 2 people 800 Indiana St
Resonance
Self-improving content bank for marketing
W2024 Est. 2023 2 people San Francisco ACQUIRED
Arcane
AI powered games
W2024 Est. 2023 2 people New York ACQUIRED
Browser Buddy
A recommendation system for great Internet writing
W2024 Est. 2023 2 people San Francisco ACQUIRED
Eggnog
Fun with AI video
W2024 Est. 2024 1 people San Francisco
Solari AI
Gives non-technical team members agents that work right out of the box
W2024 Est. 2024 1 people New York
Downlink
Make your LLMs 3x faster.
W2024 Est. 2024 1 people San Francisco
Firebender
Most powerful coding agent for Android engineers
W2024 Est. 2023 1 people San Francisco
NanoCorp
Autonomous Companies Run by AI Working While You Sleep.
W2024 Est. 2023 1 people San Francisco
NowHouse
NowHouse helps stock brokerages settle trades instantly.
W2024 Est. 2024 New York City
Kabilah
Pioneering Generative AI for Nursing
W2024 Est. 2024 New York City
Scritch
AI operating system for veterinary care
W2024 Est. 2023 San Francisco
Tracecat
The open source AI-native security automation platform
W2024 Est. 2024 New York City
PromptArmor
LLM Security and Compliance
W2024 Est. 2023 San Francisco
Polished
Generate ads. Iterate till perfect.
W2024 Est. 2025 San Francisco
Every batch 38 tracked
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