Status: Draft. Suggestions: @chrisbarber or email. Note: Larger providers like Surge, Handshake, Mercor, Micro1, and Turing also offer RL environments.
| Company | Domain | Team Background | Website | Active Founders |
|---|---|---|---|---|
| AfterQuery | Code Finance | Wharton, Penn, UBC | afterquery.com | Carlos Georgescu (@CarlosGeorgescu), Spencer Mateega (@spencermateega), Danny Tang |
| BenchFlow | Code | Terminal, Red Hat | benchflow.ai | Xiangyi Li (@xdotli) |
| Bespoke Labs | Enterprise | Google DeepMind, UC Berkeley | bespokelabs.ai | Mahesh Sathiamoorthy (@madiator), Alex Dimakis (@AlexGDimakis) |
| Calaveras | Code | Magic, Google | calaveras.ai | Sophia Wisdom (@cis_female), Alana Xiang |
| Cua | Computer Use | Microsoft | cua.ai | Francesco Bonacci (@francedot) |
| Collinear | Enterprise | Hugging Face, Salesforce | collinear.ai | Nazneen Rajani (@nazneenrajani), Soumyadeep Bakshi (@soumyadeepb_) |
| dmodel | ML Alignment | OpenAI, Google Brain, EleutherAI | dmodel.ai | Anish Tondwalkar (@dlbydq), Daniel Moon (@dmooooon) |
| Datacurve | Code | Waterloo | datacurve.ai | Serena Ge (@serenaa_ge), Charley Lee (@charleyslee) |
| Deeptune | Enterprise | Hebbia | deeptune.com | Tim Lupo (@timlup) |
| Fleet AI | Enterprise | Mercor, Anthropic, Essential AI | fleetai.com | Nicolai Ouporov (@nicolas_ouporov) |
| General Reasoning | Long Horizon | Meta, Conjecture, Aleph Alpha | gr.inc | Ross Taylor (@rosstaylor90), Chengxi Taylor (@ChengxiTaylor), Kip Parker |
| Halluminate | Long Horizon Finance | Capital One, Meta, Cornell | halluminate.ai | Jerry Wu (@Jerr_Wu), Wyatt Marshall (@wgm752) |
| Habitat | Code Computer Use | Jane Street, Arrowstreet, Ramp | habitat.inc | Maxim Enis (@maxim_enis), Max Kan (@maxkan_), Andrew Megalaa (@AndrewMegalaa) |
| Haladir | Code Math | Carnegie Mellon, Princeton, UVA | haladir.com | Jibran Hutchins (@jibranhutch), Quan Huynh (@quanmhuynh), Preston Schmittou (@preston281s), Joseph Tso (@josephtso914) |
| Hillclimb | Math | DeepMind, Base | hillclimb.com | Jun Park (@jparkjmc), Ibrakhim Ustelbay (@agithief) |
| Idler | Code | Meta, Microsoft, Cornell | idler.ai | Ivan Chub (@chubivan), Nalu Concepcion (@naluconcepcion), Tony Goss (@cha0sg0d_) |
| Matrices | Browser | Weights & Biases, Adept | matrices.ai | John Qian (@johnlqian), Leonardo Axel Setyanto (@laxels25) |
| Mechanize | Code | Epoch AI | mechanize.work | Tamay Besiroglu (@tamaybes), Ege Erdil (@EgeErdil2), Matthew Barnett (@MatthewJBar) |
| Metaphi | Enterprise | Waymo, Nuro, Netflix | metaphi.ai | Abhishek Chandwani (@abhi_chandwani), Ishan Gupta (@Ishan345) |
| Phinity | Chip Design | NVIDIA, AWS, Stanford | phinity.ai | Sonya Jin (@sonyashijin), Aadi Nashikkar (@aadi_nash) |
| Plato | Browser Enterprise | MultiOn, Anyscale, Georgia Tech | plato.so | Rob Farlow (@RobFarlow), Pranav Putta (@pranav__putta) |
| Preference Model | ML Capabilities | Datology | preferencemodel.com | Stealth |
| Proximal | Code | Prime Intellect, Cursor | proximal.ai | Justus Mattern (@MatternJustus), Navid Pour (@navidkpr), Calvin Chen (@calvinchen) |
| Sepal AI | Science | Turing, Bain, McKinsey | sepalai.com | Robi Lin (@robi_lin), Kat Hu (@KatQHu1) |
| Stealth | Code Enterprise | Scale, Mercor | N/A | N/A |
| Theta | Enterprise | DeepSilicon, Cornell, MultiOn | thetasoftware.com | Rayan Garg (@RayanGarg), Tanmay Sharma (@tsha444), Gurvir Singh (@_gurvir_) |
| The LLM Data Company | Enterprise | Traba | llmdata.com | Daanish Khazi (@bertgodel), Gavin Bains (@thegavinbains), Joseph Besgen |
| Trajectory Labs | Alignment | METR, GovAI, 80000 Hours | trajectorylabs.net | Peter McIntyre (@pmcntyr), Ben West |
| Verita AI | Design | HRT, Jane Street, Mercor | verita-ai.com | Rithika Kacham (@rithika_ka), Rishi Kalakuntla (@rishiinsf) |
| Vmax | ML Capabilities | UCL | vmax.ai | Matthew Sargent (@matthewjsargent), Augustine Mavor-Parker (@MavorParker) |