Pavlov's List: RL envs and data startups

DomainCodeLong HorizonEnterpriseComputer UseMLBrowserMulti-DomainSecurityFinanceAlignmentMathTool UseScienceCreative

LocationSFLondonAmsterdamWarsawBrooklynMountain ViewNYCBerkeleyDelawareLausannePalo AltoParisRemoteSan Mateo

Company	Domain	Location	Team Background	Active Founders & RL Leads	Team Size	Benchmark / Sample
Mercor	Multi-Domain	SFSanta Clara	Thiel Fellowship, Harvard, Georgetown	Brendan Foody F., Adarsh Hiremath H., Surya Midha M.	250+	APEX
Handshake	Multi-Domain	SFNYC, Bangalore, Berlin	Palantir, Meta, Scale AI	Garrett Lord L., Ben Christensen C., Scott Ringwelski R.RL envs: Paco Guzmán G., Sahil Bhaiwala B., Jack Bratches B., Nishant Ranka R., Yang Zhao Z.	250+	Gandalf the Grader
Scale	Multi-Domain Code	SFNYC, DC, London	Stanford, Coinbase, YC	RL envs: Chetan Rane R.	250+	SWE-bench Pro
Turing	Code	SFPalo Alto, Gurugram	Stanford, Rover, Yahoo	Jonathan Siddharth S., Vijay Krishnan K.	250+	VLMBench
Toloka	Multi-Domain	AmsterdamBelgrade	Yandex, Microsoft, McKinsey	Olga Megorskaya M.	250+	Toloka Arena
Surge	Multi-Domain	SFNYC, Seattle	Google, Meta, Twitter	Edwin Chen C.RL envs: Nick Heiner H.	101-250	CoreCraft
Snorkel	Multi-Domain Code	SFNYC	Stanford, UW, Meta	Alex Ratner R., Braden Hancock H., Christopher Ré R., Paroma Varma V., Henry Ehrenberg E.RL envs: Vincent Sunn Chen C., Frederic Sala S.	101-250	Senior SWE-Bench
micro1	Multi-Domain	SF	Stanford, Berkeley	Ali Ansari A.	101-250	Realm
Revelo	Code	SFSão Paulo	Stanford, Microsoft, Turing	Lucas Mendes M., Rafael Timbó T., Frédéric Monnier M.	101-250	Code Index
AfterQuery	Multi-Domain	SFNYC, Seattle	Wharton, Penn, UBC	Carlos Georgescu G., Spencer Mateega M.	51-100	AppBench
Latch	Science	SF	Berkeley, Google, Asimov	Alfredo Andere A., Kenny Workman W., Kyle Giffin G.	51-100	benchmarks.bio
Patronus AI	Multi-Domain Code	SF	Meta AI, Google, Amazon	Anand Kannappan K., Rebecca Qian Q.	51-100	FinanceBench, TRAIL
Contra Labs	Creative Code	SFNYC	Midjourney, Stanford, Mercor	Ben Huffman H., Gajus Kuizinas K.Labs: Allison Nulty N.	26-50	Human Creativity Benchmark
Datacurve	Code	SF	Waterloo	Serena Ge G., Charley Lee L.	26-50	DeepSWE
Halluminate	Finance Enterprise	SF	Capital One, Meta, Cornell	Jerry Wu W., Wyatt Marshall M.	26-50	WebBench
Mechanize	Code	SF	Epoch AI	Guive Assadi A., Tamay Besiroglu B., Ege Erdil E., Matthew Barnett B.	26-50	GBA Eval
Pareto	Multi-Domain Tool Use	SF	Stanford, Scale, Turing	Phoebe Yao Y.RL envs: Mark Whiting W., Youssef Elhady E., Joe Crawley C.	26-50	Leap, Attune
Proximal	Code	SFBangalore	Prime Intellect, Cursor	Justus Mattern M., Navid Pour P., Calvin Chen C.	26-50	FrontierSWE
Aptura	Finance Enterprise	LondonSF	Lazard, McKinsey, EF	Chirag Modi M.	11-25	SpreadsheetBench 2
Bespoke Labs	Code	Mountain ViewMenlo Park, Bangalore, SF	Google DeepMind, UC Berkeley	Mahesh Sathiamoorthy S., Alex Dimakis D.	11-25	OpenThoughts
Collinear	Security Enterprise	Mountain ViewSunnyvale	Hugging Face, Salesforce, Stanford	Nazneen Rajani R., Soumyadeep Bakshi B.	11-25	CWE-bench
Emulated	ML Science	SF	AWS, DeepMind, Prime Intellect	Joseph Wang W., Sid Patllollu P.	11-25	SWE, Autoresearch
Quesma	Security	Warsaw	Elastic, Sumo Logic, Dynatrace	Jacek Migdal M.	11-25	BinaryAudit
ReasonCore	Science Code	SF	Turing, Aera Technology, Oracle	Geoff Wolfe W., Anshuman Lall L., Satish Vutukuru V.	11-25	Benchmarks
Abundant	Code	SF	Waymo, Google, Mercor	Jesse Hu H., Ke Huang H., Meji Abidoye A.	1-10	SWE-Marathon
Aviro	Code ML	SF	YC, Princeton, Georgia Tech	Ayush Karupakula K., Aarush Kukreja K.	1-10	C⁴
BenchFlow	Enterprise Browser	SF	Berkeley, Tesla	Xiangyi Li L.	1-10	SkillsBench
Cua	Code Computer Use	SF	Microsoft, Twitter	Francesco Bonacci B., Dillon DuPont D.	1-10	Cua-Bench
EdotEnv	Long Horizon ML	SF	G-Research, Etched, ETH Zurich	Rui Wang W., Michael Zhang Z.	1-10	Long-Horizon Planning
General Reasoning	Finance	LondonSF	Meta, Conjecture, Aleph Alpha	Ross Taylor T., Chengxi Taylor T., Kip Parker P., Thomas Grady G.	1-10	OpenReward
Markov	Computer Use Tool Use	SF	YC, IIT Madras	Dev Mandal M., Harish Ashok A.	1-10	CUA data, AutoCAD-Bench
Metaphi	Code Enterprise	SFNYC	Waymo, Nuro, Netflix	Abhishek Chandwani C., Ishan Gupta G.	1-10	CREW
Normal	Hardware Engineering	SF	Cohere, Notion, Fuse	Hudzah, Anson Yu Y.	1-10	CAD Arena
pre.dev	Code Long Horizon	Delaware	Penn M&T, Wharton	Arjun Raj Jain J., Adam Elkassas E.	1-10	TB3 results
Refresh	Code Computer Use	SF	Uber, Amazon	Christopher Settles S., Erik Quintanilla Q.	1-10	BlenderBench
Tacit Labs	Science Long Horizon	SF	MosaicML, MSR, EF	Nicole Fitzgerald F., Anne Marie Droste D.	1-10	LifeSciBench
Ulam	Math Science	WarsawLondon	Oxford	Przemek Chojecki C.	1-10	Math RL Tasks
Vmax	ML	SFNYC	UCL	Matthew Sargent S., Augustine Mavor-Parker M.	1-10	unix-ctf
Uber AI	Audio	SF	Scale AI, Turing, Harvard	Key people: Natesh Pillai P.	250+
Originator	Computer Use Code	LondonParis	Google, Dataform, Pareto Holdings	Ben Cambier C., Lewis Hemens H.	101-250
Fleet	Multi-Domain Enterprise	SFNYC	Mercor, Anthropic, MSL	Nicolai Ouporov O., Andrew Zhou Z.	51-100
Parsewave	Long Horizon	SFRemote	Meta, Red Hat	Ivan Kudryavtsev K., Louis Pan P., Louka Ewington-Pitsos E.	51-100
Wirestock	Creative	SF	Utah State, MIT	Mikayel Khachatryan K., Ashot Mnatsakanyan M., Hovhannes Kuloghlyan K.	51-100
Huzzle Labs	Long Horizon Code	LondonBerlin, SF	Turing	Ingmar Klein K., Amit Choudhary C.	26-50
Verita AI	Creative	SFVancouver	HRT, Jane Street, Mercor	Rithika Kacham K., Rishi Kalakuntla K.	26-50
ARIMLABS	Security Long Horizon	Warsaw	Akamai	Mykyta Mudryi M., Markiian Chaklosh C.	11-25
Chakra Labs	Computer Use Tool Use	NYC	Microsoft, Palantir, Snap	Nirmal Krishnan K., Alex Fung F.	11-25
dmodel	ML Alignment	SF	OpenAI, Google Brain, EleutherAI	Anish Tondwalkar T., Daniel Moon M.	11-25
HUD	Long Horizon Code	SFSingapore	METR, AWS, Hume	Lorenss Martinsons M., Parth Patel P., Jay Ram R.	11-25
Idler	Code	SF	Meta, Microsoft, Cornell	Ivan Chub C., Nalu Concepcion C., Tony Goss G.	11-25
Incalmo	Security	San Mateo	CMU, MSR, RSAC Labs	Brian Singer S., Mark Dong D.RL envs: Omer Akgul A., Ao Li L.	11-25
Preference Model	ML Code	SFToronto, Seattle	Anthropic, Stripe, Datology	Jennifer Zhou Z., Ning Cao C.	11-25
Symbal	Code Enterprise	SF	Meta AI, General Catalyst, Deeptune	Krishay Mukhija M., Pranay Manocha M., Akash Jain J.	11-25
Taste Labs	Creative	NYC	Exa, Palantir, Mercado Libre	Thais Castello Branco B.	11-25
Align AI	Enterprise Code	NYC	Meta, Apple, Cornell	Spandana Govindgari G., Girish Kumar K.	1-10
Andromede	Long Horizon	Lausanne	MIT, EPFL	Alexandre Sallinen S., Guillaume Allegre A.	1-10
Anthromind	Medical Long Horizon	SF	Google, Forward Health	Pratik Karki K., Mannat Sandhu S.	1-10
Diffuse Labs	ML Long Horizon	Palo AltoSF	a16z, CMU	Daljeet Virdi V., Tejpal Singh S.	1-10
Dissei	Finance	London	Warwick, Goldman Sachs, HBS	Tudor Popescu P., Jai Trivedi T., Eddy B B.	1-10
Exabite	Code	Remote	Stanford, MIT, Magic	Alana Xiang X.	1-10
Good Start Labs	Games Long Horizon	BrooklynNYC, Toronto	Waterloo, Every, Amazon Robotics	Alex Duffy D., Tyler Marques M.	1-10
Hillclimb	Math	SF	DeepMind, Base	Jun Park P., Ibrakhim Ustelbay U.	1-10
Ionic	Finance Law	SF	Mercor, Scale AI, Citadel	Sid Potdar P., JW Stanly S., Gavin Gwaltney G., Austin Mann M.	1-10
Ooak Data	Enterprise	Paris	Samsung, GoPuff, YC	Thomas Aubry A., Pierre-Louis Vouteau V., Grégoire Lamy L.	1-10
Phinity	Chip Design	SFPalo Alto	NVIDIA, AWS, Stanford	Sonya Jin J., Aadi Nashikkar N.	1-10
Plato	Browser Enterprise	SF	MultiOn, Waterloo, Georgia Tech	Rob Farlow F., Pranav Putta P.	1-10
Rise Data Labs	Enterprise	NYC	Wharton	Vivian Chen C.	1-10
Theta	Enterprise	SF	DeepSilicon, Cornell, MultiOn	Rayan Garg G., Tanmay Sharma S., Gurvir Singh S.	1-10
Third Moment	Code Finance	SFNYC	HRT, Optiver, Hebbia	Jeffrey Yan Y., Adam Khakhar K.	1-10
Trajectory Labs	Alignment	BerkeleyToronto	METR, GovAI, 80000 Hours	Peter McIntyre M., Ben West W.	1-10
Vetto AI	Code Computer Use	SFSão Paulo, London	DeepMind, Meta, ITA	José André Nunes N., Rodrigo Schmidt S., Lucas Smaira S., Gabriel Albuquerque A., Roberta Antunes A.	1-10