166 YC Companies in the S25 Batch (Summer 2025)

Y Combinator's Summer 2025 batch (S25) has 166 companies in this directory. Below is every one of them: what it does, where it is based, its status today, and a link to its YC application reconstructed in the real form, so you can read how S25 founders described their companies before they got in.

Companies
166
Top industries
B2B, Consumer and Industrials
Top locations
San Francisco, New York and New York City
166 reconstructed applications

Read the YC application of all 166 companies

  • Every company's YC application, reconstructed in the real form
  • Filter every batch by industry, country and team size
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The first 100 companies, top companies first

1
Acrely
AcrelyEnterprise Voice Agents
Summer 2025Active
2
Adaptional
AdaptionalAI-powered insurance claims review
Summer 2025San Francisco, CAActive
3
AgentMail
AgentMailEmail Inboxes for AI Agents
Summer 2025San Francisco, CAActive
5
Albacore Inc.
Albacore Inc.Drone submarines
Summer 2025Philadelphia, PAActive
7
Altur
AlturVoice AI Agents for Debt Collection
Summer 2025Mexico City, CDMX, MexicoActive
8
Ambral
AmbralAI for account management and customer success
Summer 2025New York City, NYActive
9
Astor
AstorAI advisor for retail investors
Summer 2025San Francisco, CAActive
10
Autosana
AutosanaAI agents for E2E testing across mobile & web
Summer 2025San Francisco, CAActive

That is 10 of 166.

Every company below has its YC application reconstructed in YC Insights. Create a free account to read them all.

Read all 166 applications
11
Autumn
AutumnBilling infrastructure for AI
Summer 2025London, United KingdomActive
13
Avent
AventAI agents for industrial commerce
Summer 2025San Francisco, CAActive
14
b12 Labs
b12 LabsChemical Copilot for Pharma and Biotech
Summer 2025San Francisco, CAActive
15
bitrig
bitrigVibe code, test, and deploy Swift apps. All from your iPhone.
Summer 2025San Francisco, CAActive
16
Bizzy AI
Bizzy AIBizzy works 24/7 so you never miss a lead.
Summer 2025New York City, NYActive
17
Blank Bio
Blank BioRNA intelligence for precision medicine
Summer 2025San Francisco, CAActive
18
Blue
BlueYour phone finally has someone to run it. Plug in Blue, just ask.
Summer 2025San Francisco, CAActive
20
burnt
burntAgentic Operating System for Food Supply Chain
Summer 2025San Francisco, CAActive
21
Cactus
CactusLow-latency AI engine for mobile devices & wearables
Summer 2025San Francisco, CAActive
22
CareSwift
CareSwiftAI scribe for Ambulance Reports
Summer 2025Active
23
Certus AI
Certus AIReplacing the restaurant phone line with Voice AI
Summer 2025San Francisco, CAActive
24
Channel3
Channel3Database of every product on the internet
Summer 2025New York, NYActive
25
Char
CharThe AI notepad that knows and works for you
Summer 2025San Francisco, CAActive
26
CLODO
CLODOPlanet-scale people discovery.
Summer 2025San Francisco, CAActive
27
Closera
CloseraAI Shopping Agent for Your Ecommerce Store
Summer 2025San Francisco, CAActive
28
cocreate
cocreatevideo production software
Summer 2025San Francisco, CAActive
30
ContextFort
ContextFortVisibility and Controls for Browser Agents
Summer 2025San Francisco, CAActive
31
Convexia
ConvexiaThe world's first AI-maximalist pharma company
Summer 2025San Francisco, CAActive
32
Costream
CostreamIndexing human dialogue through digital products
Summer 2025San Francisco, CAActive
33
Cyberdesk
CyberdeskSelf learning computer use agent for developers
Summer 2025San Francisco, CAActive
34
Datafruit
DatafruitThe AI workspace for software implementations
Summer 2025San Francisco, CAActive
35
Dedalus Labs
Dedalus LabsCompute substrate for AI agents
Summer 2025San Francisco, CAActive
37
DeepGrove
DeepGroveFrontier Intelligence. On Any Device.
Summer 2025San Francisco, CAActive
39
Doe
DoeThe boring stuff, handled. Everything else, supercharged.
Summer 2025San Francisco, CAActive
40
Duranium
DuraniumReshoring critical metal production
Summer 2025San Francisco, CAActive
41
Eden
EdenAI sales practice using your real deals
Summer 2025New York, NYActive
42
EffiGov
EffiGovThe AI OS for Cities
Summer 2025San Francisco, CAActive
43
Embedder
EmbedderAI Agents for Firmware
Summer 2025San Francisco, CAActive
44
Epicenter
EpicenterChatGPT's memory feature in an open, portable format
Summer 2025San Francisco, CAActive
45
F2
F2The AI platform for private markets investors
Summer 2025New York, NYActive
46
F4 Industries
F4 IndustriesThe GD&T Analysis Platform for Engineering Drawings
Summer 2025San Francisco, CAActive
47
Finto
FintoAI accounting for enterprise finance teams
Summer 2025Munich, BY, GermanyActive
48
Flai
FlaiWe Bring Customers to Your Dealership
Summer 2025San Francisco, CAActive
49
Fleetline
FleetlineOptimizing fleet planning with data driven algorithms
Summer 2025New York, NYActive
50
Floot
FlootThe easiest way for non-coders to build apps with AI.
Summer 2025San Francisco, CAActive
51
Flywheel AI
Flywheel AIWaymo for excavators
Summer 2025San Francisco, CAActive
52
Freya
FreyaVoice AI for Enterprises
Summer 2025San Francisco, CAActive
53
Frizzle
FrizzleAI Grading for Teachers
Summer 2025New York City, NYActive
54
Fulcrum
FulcrumThe agentic debugger for AI systems
Summer 2025San Francisco, CAActive
55
GETASAP
GETASAPDistribution at the Speed of Compute
Summer 2025San Francisco, CAActive
56
GhostEye
GhostEyeVulnerability Management for the Human Layer
Summer 2025New York, NYActive
57
gitdot
gitdotA better GItHub
Summer 2025New York City, NYActive
59
GoRiff
GoRiffPersonalized AI Stories with Music
Summer 2025San Francisco, CAActive
60
Halluminate
HalluminateData and RL environments to automate knowledge work
Summer 2025San Francisco, CAActive
61
Hera
HeraAI Motion Designer
Summer 2025Active
62
Humoniq
HumoniqAI-Native BPO for travel & transport
Summer 2025San Francisco, CAActive
63
Idler
IdlerReinforcement learning environments.
Summer 2025San Francisco, CAActive
64
Imprezia
ImpreziaThe World's First AI Ad Network.
Summer 2025San Francisco, CAActive
65
Interface
InterfaceThe world model research lab
Summer 2025New York, NYActive
66
Interfere
InterfereProduction visibility for teams that ship fast
Summer 2025New York, NYActive
67
Iron Grid
Iron GridAI Insurance for hardware.
Summer 2025San Francisco, CAActive
69
Janet AI
Janet AIThe Autonomous Product Management System
Summer 2025San Francisco, CAActive
71
Kalinda
KalindaDeep research for class action law firms
Summer 2025San Francisco, CAActive
72
KERNEL
KERNELCrazy fast, open source infra for AI agents to use the Internet
Summer 2025San Francisco, CAActive
73
Kestroll
Kestroll
Summer 2025San Francisco, CAActive
74
Knowlify
KnowlifyThe AI Explainer Video Maker
Summer 2025San Francisco, CAActive
75
Lanesurf
LanesurfVoice AI for booking freight
Summer 2025San Francisco, CAActive
76
Lark
LarkThe E2E testing layer for AI-driven development
Summer 2025San Francisco, CAActive
77
Lilac
LilacWe automatically monetize idle GPUs
Summer 2025San Francisco, CAActive
78
Liva AI
Liva AIAudio & Video Data
Summer 2025San Francisco, CAActive
79
LLM Stats
LLM StatsIndependent AI evaluations lab
Summer 2025New York, NYActive
80
Locata
LocataAI Referral Automation for Primary Care Clinics
Summer 2025New York City, NYActive
81
Lotas
LotasAI for Data Science and 3D
Summer 2025San Francisco, CAActive
82
Luminal
LuminalMaking AI run fast on any hardware.
Summer 2025San Francisco, CAActive
83
Magnetic
MagneticAI Tax Preparer for CPA firms
Summer 2025San Francisco, CAActive
84
Magnitude
MagnitudeThe best coding agent for open models
Summer 2025San Francisco, CAActive
85
MangoDesk
MangoDeskLong-horizon RL environments
Summer 2025San Francisco, CAActive
87
Maximal
MaximalMaximal is a planning agent for commercial truck fleets
Summer 2025San Francisco, CAActive
88
Meteor
MeteorAn AI-Native Browser
Summer 2025San Francisco, CAActive
89
Metis
MetisInfrastructure to build reliable agents
Summer 2025San Francisco, CAAcquired
90
Mimos
MimosHelping companies rank in AI search
Summer 2025New York City, NYActive
92
Modelence
ModelenceThe full-stack platform for agentic development
Summer 2025San Francisco, CAActive
93
Monarcha
MonarchaTurn maps into data
Summer 2025San Francisco, CAActive
94
Monte
MonteContinual Learning for Agents
Summer 2025San Francisco, CAActive
95
Motives
MotivesConsumer focus groups run by AI
Summer 2025London, England, United KingdomActive
96
Munify
MunifyThe Cross-Border Neobank for the Middle East
Summer 2025RemoteActive
97
Nautilus
NautilusAI platform to grow and to optimize car washes
Summer 2025San Francisco, CAActive
98
Nexa Labs
Nexa LabsImplantable microchips and AI for cattle monitoring
Summer 2025San Francisco, CAAcquired
99
Nixo
NixoThe first ops platform for forward deployed engineers
Summer 2025San Francisco, CAActive
100
Normal
NormalTesting and certifying the hardware of the future
Summer 2025San Francisco, CAActive

The other 66 companies

Every remaining company in this list, A to Z. Each link opens the company's public page.

Applying to YC? Study these applications first.

YC Insights holds the reconstructed application of every company on this page, filterable by batch, industry and country, next to 60,000+ investors who fund startups like yours.

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About this list

This list is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise.

Frequently Asked Questions

How many Y Combinator companies are in the Summer 2025 batch?

This directory lists 166 YC companies in the Summer 2025 batch, out of 6,207 across every batch since 2005. The count updates when the directory is refreshed, and every one of them is on this page with a link to its public profile.

Are the YC applications on these pages real?

No. YC keeps submitted applications private. Every application linked from this list is a reconstruction: the real YC form questions, answered from the company's public data. The Company section is free on each page; the rest opens in YC Insights.

How do I use this list when applying to YC?

Pick five companies on this page whose product is closest to yours, read their reconstructed applications side by side in YC Insights, and note how each answers the same question. Then write your own answers to that standard.

Where does this data come from?

From YC's public company directory, refreshed by batch, with each company's status, industry and location as YC reports them. Round Funded adds the reconstructed application and the founder profiles; nothing private is published.

What is Round Funded?

Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.