San Francisco

YC Companies in San Francisco

1,500 Y Combinator startups based in San Francisco with verified founder contacts and company data.

1,500

Companies

San Francisco

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YC Company Directory

50 companies

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Company	Batch	Description	Status	Location	Team	Founders	Reveal
Sourcebot	F25	Helping humans and AI agents understand massive codebases	Active	San Francisco, CA, USA	2	Michael Sukkarieh, Brendan Kellam	Reveal
Sylvian	F25	Specialized AI Agents.	Active	San Francisco, CA, USA	2	William Huang, Niall Kehoe	Reveal
Tensr	F25	Fully autonomous robotic factories	Active	San Francisco, CA, USA	3	Eric Berndt, Adith Sundram, C.K. Wolfe	Reveal
The Context Company	F25	Monitor AI agents and understand user behavior	Active	San Francisco, CA, USA	2	Arman Kumaraswamy, Rohil Agarwal	Reveal
Thesis	F25	An AI lab at your fingertips.	Active	San Francisco, CA, USA	2	Sergio Charles, Luigi Charles	Reveal
Unsiloed AI	F25	API for parsing multimodal unstructured data	Active	San Francisco, CA, USA	2	Aman Mishra, Adnan Abbas	Reveal
Uplane	F25	Replace marketing agencies with AI	Active	San Francisco, CA, USA	7	Julius Körfgen, Marvin Abdel-Massih, Lukas Vollmer	Reveal
Velvet	F25	Data for world models	Active	San Francisco, CA, USA	2	Lucas Mantovani, Lucas Tucker	Reveal
Veria Labs	F25	Continuous AI pentesting that finds and fixes vulnerabilities	Active	San Francisco, CA, USA	3	Cayden Liao, Jayden Sarveshkumar, Stephen Xu	Reveal
Zarna	F25	AI Associates for Private Capital	Active	San Francisco, CA, USA	4	Rishabh Dhariwal, Vivan Agrawal, Hrishi Joshi, Rakesh Mehta	Reveal
Zavo	F25	AI Point of Sale for Restaurants	Active	San Francisco, CA, USA	8	Can Zehebi, Ilkan Gezer	Reveal
Archil	F24	Transform S3 in an unlimited, local file system	Active	San Francisco, CA, USA	7	Hunter Leath	Reveal
ArchiLabs	F24	AI Copilot for Architects	Active	San Francisco, CA, USA	2	Brian Bakerman, William Meng	Reveal
attimet	F24	we predict stuff	Active	San Francisco, CA, USA	3	Kirthi Banothu, Xiaoyu Li	Reveal
AutoComputer	F24	Desktop RPA with AI computer use	Active	San Francisco, CA, USA	2	Madhav Singhal	Reveal
Candle	F24	Candle helps friends and couples grow closer daily in just 5 minutes.	Active	San Francisco, CA, USA	2	Alex Ruber, Parth Chopra	Reveal
Capy	F24	AI Software Engineer	Active	San Francisco, CA, USA	4	Nalin Semwal, Justin Sun	Reveal
Cekura	F24	Voice AI and Chat AI agents: Testing and Observability	Active	San Francisco, CA, USA	15	Tarush Agarwal, Shashij Gupta, Sidhant Kabra	Reveal
CTGT	F24	CTGT safeguards against reputational risk from GenAI across your org	Active	San Francisco, CA, USA	7	Cyril Gorlla, Trevor Tuttle	Reveal
Curo	F24	Electric fleets park and charge anywhere with Curo	Active	San Francisco, CA, USA	6	Kieran White	Reveal
Diffusion Studio	F24	Professional-grade video editing, in your browser.	Active	San Francisco, CA, USA	3	Konstantin Paulus	Reveal
Durate	F24	Automated physician scheduling	Active	San Francisco, CA, USA	2	Michael Mounajjed, Benjamin Liu	Reveal
Ember	F24	AI RCM. A/R Analysis in 3 days or less. Reduce claim denials by 55%.	Active	San Francisco, CA, USA	10	Charlene Wang, Warren Wang	Reveal
Forerunner AI	F24	AI that gets aircraft flying faster	Active	San Francisco, CA, USA	2	Yash Kadadi, Will Nida	Reveal
Friday	F24	The AI Assistant for Gmail	Active	San Francisco, CA, USA	1	Allen Naliath	Reveal
FutureClinic	F24	Personal doctors through chat	Active	San Francisco, CA, USA	4	Riyan Moussaoui, Nabil Belahouane, Hassan Mirza, Usama Syed	Reveal
Gait	F24	Building Dev Infra for AI Software Engineers	Inactive	San Francisco, CA, USA	2	Alex Hsia, Kyle Li	Reveal
Galini	F24	Compliance guardrails-as-a-service for AI applications	Active	San Francisco, CA, USA	2	Shaun Ayrton, Raul Zablah	Reveal
Gecko Security	F24	The AI Security Engineer to Find and Fix Vulnerabilities	Active	San Francisco, CA, USA	2	Jeevan Jutla, Artemiy Malyshau	Reveal
HealthSpark	F24	Empowering Physical Therapists to Go Independent	Active	San Francisco, CA, USA	1	Stephen Grinich	Reveal
HumanLayer	F24	Getting AI Coding Agents to solve hard problems in complex codebases	Active	San Francisco, CA, USA	3	Dexter Horthy	Reveal
Karmen	F24	AI Assistant for Construction Project Managers	Active	San Francisco, CA, USA	2	Jonas Ebrahimi, Naman Wahi	Reveal
Lingo.dev	F24	Open-source, AI-powered i18n toolkit for instant localization.	Active	San Francisco, CA, USA	6	Max Prilutskiy, Veronica Prilutskaya	Reveal
Luthor	F24	AI-Native Compliance Firm	Active	San Francisco, CA, USA	3	Glenn Espinosa, John Espinosa	Reveal
Moonshine	F24	Building software to understanding the world with a camera	Active	San Francisco, CA, USA	2	Ganesh Pimpale, Harsha Gundala	Reveal
Origami	F24	AI that finds your perfect customers	Active	San Francisco, CA, USA	10	Finn Mallery, Kenson Chung	Reveal
Pearson Labs	F24	AI agents to automate corporate transactions	Active	San Francisco, CA, USA	2	Stephanie Young	Reveal
PermitPortal	F24	AI Operating System for Pre-construction	Active	San Francisco, CA, USA	2	Radu Mazilu	Reveal
Reticular	F24	Interpretable AI for drug discovery	Active	San Francisco, CA, USA	2	John Yang	Reveal
Revyl	F24	AI-Native Mobile Testing	Active	San Francisco, CA, USA	7	Landseer Enga, Anam Hira	Reveal
RiskCube	F24	AI-native insurance firm for startups.	Active	San Francisco, CA, USA	2	Andrei Craciunescu	Reveal
Riveter AI	F24	Lovable for web scraping	Active	San Francisco, CA, USA	2	Abigail Grills	Reveal
SRE.ai	F24	AI DevOps Agents	Active	San Francisco, CA, USA	5	Raj Kadiyala, Edward Aryee	Reveal
supercontrast	F24	AI Co-Pilot for Design	Inactive	San Francisco, CA, USA	2	Carter McClellan, Shravan Kumaran	Reveal
Synth	F24	Prompt and Context Optimization for Coding Agents	Active	San Francisco, CA, USA	2	Josh Purtell	Reveal
Unusual	F24	Discover and change how AI models talk about your brand.	Active	San Francisco, CA, USA	2	Will Jack, Keller Maloney	Reveal
Variant	F24	Creative intelligence	Active	San Francisco, CA, USA	5	Benjamin South Lee, Daniel Bulhosa Solorzano	Reveal
vly.ai	F24	The Lovable & Replit killers	Active	San Francisco, CA, USA	3	Victor Cheng	Reveal
x1	F24	The Blueprint for Shipping iOS Apps	Active	San Francisco, CA, USA	1	Manil Lakabi	Reveal
Zeroframe	F24	Pushing the boundaries of AI	Inactive	San Francisco, CA, USA	2	Daryl Budiman, Anirudh Ramprasad	Reveal