XBatch X26

YC X26 Companies

163 Y Combinator X26 startups with verified founder contacts, company status, and team data.

163

Companies

Season

2026

Year

YC Company Directory

50 companies

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Company	Batch	Description	Status	Location	Team	Founders	Reveal
OpenProse	X26	An open-source operating system for reliable long-running agents	Active	San Francisco, CA, USA; Remote	3	Dan Barrett	Reveal
OpenWork	X26	The open source alternative to Claude Cowork	Active	San Francisco, CA, USA	4	Ben Shafii	Reveal
Ornadyne	X26	We're building robot birds for surveillance.	Active	Los Angeles, CA, USA	4	Geourg Kivijian, Armen Arakelyan	Reveal
Pairio	X26	AI mobile app that helps factory technicians fix broken machines	Active	BY, Germany	3	Tim Zinkl, Matthias Wolf	Reveal
Panacea	X26	AI-Native FDA Regulatory Services	Active	San Francisco, CA, USA	3	Haris Javed-Akhtar, Yaman Ziadeh, Haris Akhtar	Reveal
Pavoot	X26	AI Event Manager for in-person events	Active	San Francisco, CA, USA	—	Gohar Tamrazyan, Ana Yoon Faria de Lima, Ana Yoon Faria de Lima	Reveal
Pentagon	X26	The control plane for agent-native work.	Active	Salt Lake City, UT, USA	1	Edgar Pavlovsky	Reveal
PerfectBit, Inc.	X26	Correct by construction AI training data	Active	San Francisco, CA, USA	2	Seiji Yamamoto, Peter Vajda	Reveal
PLAN0 AI	X26	Construction Cost Intelligence.	Active	—	4	Arash Barati, Shervin Barati, Dimitris Pagonakis	Reveal
Playabl.ai	X26	TikTok for User-generated Games	Active	San Francisco, CA, USA	10	Hamza Al-Ali, Omar Jarrah, Sanad Kiswani, Hamza Ali	Reveal
Plena Health	X26	Plena is the AI operating system for specialty medical practices	Active	San Francisco, CA, USA	—	Eyad Abdalla, Ahmed Al Mudarris, Ahmed Al Mudarris	Reveal
Ploy	X26	Ploy turns your website into your company's growth engine.	Active	San Francisco, CA, USA	14	Bryant Chou	Reveal
Pops	X26	Create & play AI games with friends	Active	New York City, NY, USA	1	Alon Zuman	Reveal
ProjectX	X26	Agent native workspace for heavy parallel workflows on the web	Active	San Francisco, CA, USA	8	Rounak Adhikary, Bishal Karmakar, Sourya Majumder	Reveal
Prototyping.io	X26	Autonomous manufacturing for mechanical parts	Active	San Francisco, CA, USA	2	Revanth Bodepudi, Prerit Oberai	Reveal
qomplement	X26	The Agentic ERP for supply chain operations	Active	San Francisco, CA, USA	7	Kerim Taray, Andres Garza	Reveal
ReasonBlocks	X26	The runtime layer that makes AI agents cheaper and more reliable	Active	San Francisco, CA, USA	2	Sajeev Magesh, Rohan Vij	Reveal
Regbase	X26	Automating Corporate Compliance, Worldwide	Active	New York City, NY, USA	3	Natalie Aresta-Katz, Ethan Shea	Reveal
RentAHuman	X26	Marketplace for AI agents to hire humans.	Active	San Francisco, CA, USA	3	Alexander Liteplo	Reveal
Replicas	X26	Run any coding agent harness in the cloud	Active	San Francisco, CA, USA	2	Connor Loi, Saai Arora	Reveal
Result	X26	Where new internet entrepreneurs build and run their companies	Active	—	2	Aaryan Kushwah, Savio Martin	Reveal
Revnu	X26	The growth infrastructure for the autonomous business	Active	Manchester, England, United Kingdom	2	George Jefferson, art freebrey, Art Freebrey	Reveal
River Markets	X26	Prime brokerage for prediction markets	Active	San Francisco, CA, USA	2	Oscar Levy, Antonin Parrot	Reveal
Rudus	X26	AI Takeoffs for Concrete	Active	San Francisco, CA, USA	2	Rishi Pankhaniya, Sahil Goel	Reveal
Runtime	X26	Build and run internal agents, without managing the infrastructure	Active	San Francisco, CA, USA	3	Gus Trigos, Carlos Volante	Reveal
Saffron	X26	Helping your company find 10x engineers.	Active	San Francisco, CA, USA	3	Robert Chondro, Kazuma Choji, Jerry Yao	Reveal
Salesgraph	X26	Proactive revenue agents that move enterprise deals forward	Active	San Francisco, CA, USA	2	Ruhan Ponnada, Ricardo Nunez	Reveal
Saudara AI	X26	AI Native Sourcing Broker For Overseas Manufacturing	Active	San Francisco, CA, USA	2	Edward Haryono, Jennifer Prasetyo	Reveal
Savant	X26	Company brain every AI-native enterprise runs on	Active	San Francisco, CA, USA	2	Anthony Kim, Kevin Yu	Reveal
Sazabi	X26	The AI-native observability platform for fast-moving engineering teams	Active	San Francisco, CA, USA	10	Sherwood Callaway	Reveal
Scope	X26	We help software companies get discovered and used by AI agents	Active	San Francisco, CA, USA	2	Anand-Arnaud Pajaniradjane, Anand Pajaniradjane	Reveal
Sherpa	X26	Make websites improve themselves.	Active	San Francisco, CA, USA	2	Ethan Kinnan, Norbu Sonam	Reveal
shotwell.ai	X26	Annotations for robotics data	Active	San Francisco, CA, USA	4	Farhan Khan, Ali Abdalla, Ali Abid, Nour Eldifrawy	Reveal
Silmaril	X26	Security for agents that self-improves	Active	San Francisco, CA, USA	2	Aum Upadhyay, Eduardo Velasco	Reveal
smol machines	X26	Ship software faster with portable, self contained virtual machines.	Active	San Francisco, CA, USA	1	BinBin He, BinBin H.	Reveal
Soria	X26	AI Financial Research Terminal built for Healthcare (and beyond)	Active	New York City, NY, USA	3	Adam Ron, Cameron Spiller	Reveal
StableBrowse	X26	Building the Data Infrastructure layer for Physical AI.	Active	San Francisco, CA, USA	3	Sarthak Awasthi, Jay Mehta, Deepit Shah, Somansh Shah	Reveal
Stage	X26	Code review platform for humans and agents	Active	San Francisco, CA, USA	2	Dean Stratakos, Charles Pan	Reveal
Standard Signal	X26	Hedge fund where AI researches and executes every trade end-to-end	Active	New York City, NY, USA	1	Michael Royzen	Reveal
Standout	X26	Agentic hiring marketplace	Active	San Francisco, CA, USA	5	Alexis Aftalion, Witold de La Chapelle	Reveal
Superlog	X26	Make software self-healing	Active	San Francisco, CA, USA	2	Nicolò Magnante, Arseniy Shishaev	Reveal
Superset	X26	Building self-improving software	Active	San Francisco, CA, USA	3	Kiet Ho, Satya Patel, Avi Peltz	Reveal
Surtr Defense Systems	X26	The hardware-agnostic operating system for drone defense	Active	San Francisco, CA, USA	2	Anshul Ahluwalia, Cameron Fiore	Reveal
Synphony	X26	robots & software for farms	Active	San Francisco, CA, USA	10	Sean Wu, Lucas Amlicke	Reveal
Taiga	X26	Autonomous medical billing	Active	San Francisco, CA, USA	2	Nanda Guntupalli, Adam Wax	Reveal
TakeCareOS	X26	AI-native operating system for long term care providers	Active	San Francisco, CA, USA	1	Ragav Sachdeva	Reveal
Tasklet	X26	Agents that own the work	Active	San Francisco, CA, USA	8	Jonny Dimond, Andrew Lee	Reveal
tday.com	X26	AI that turns your product into on-brand marketing content	Active	San Francisco, CA, USA	2	Cyrus Kelly, David McDonough, Shyamsundar Shrestha	Reveal
Tenet Industries	X26	Low-cost, mass-producible defense systems	Active	Stockholm, Stockholm County, Sweden	3	Emil Falk, Fabian Andersson, Hugo Frisk	Reveal
TesterArmy	X26	Test your app with AI, catch bugs before users do	Active	San Francisco, CA, USA; Remote	4	Szymon Rybczak, Oskar Kwaśniewski	Reveal