 Constellation SpaceAI operating system for mega-scale satellite networks.team of 4YC W26·Active·AI, Data | AI, Data | Active | YCW26 |
 Ditto BiosciencesEvolutionary intelligence for autoimmune diseaseteam of 4YC W26·Active·AI | AI | Active | YCW26 |
 DoomersionDoomscroll to learn languagesteam of 4YC W26·Active·Other | Other | Active | YCW26 |
 EmdashOne app for all your coding agentsteam of 4YC W26·Active·AI | AI | Active | YCW26 |
 HaladirOperational Intelligence for Global Logisticsteam of 4YC W26·Active·AI | AI | Active | YCW26 |
 PerfectlyThe AI-native Recruiting OSteam of 4YC W26·Active·AI | AI | Active | YCW26 |
 PolymorphBuilding secure polymorphic appsteam of 4YC W26·Active·AI | AI | Active | YCW26 |
 PranaAn AI primary care doctor in your pocketteam of 4YC W26·Active·AI, Data | AI, Data | Active | YCW26 |
 RoboDockRobots that run autonomous depots for autonomous fleets.team of 4YC W26·Active·Other | Other | Active | YCW26 |
 ShofoThe World's Largest Video Libraryteam of 4YC W26·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCW26 |
 Synthetic SciencesInfrastructure for Autonomous Scienceteam of 4YC W26·Active·AI, Devtools | AI, Devtools | Active | YCW26 |
 Terminal UseAI-native transformation for operations-heavy companiesteam of 4YC W26·Active·AI | AI | Active | YCW26 |
 Travo.team of 4YC W26·Active·Other | Other | Active | YCW26 |
 ConveoGrowth through always‑on consumer understandingteam of 90hiringYC S24·Active·AI, Data | AI, Data | Active | YCS24 |
 RedaptoIntelligence that moves the worldteam of 7YC F25·Active·AI | AI | Active | YCF25 |
 SellRazeThe fastest way to sell online.team of 7YC F25·Active·AI | AI | Active | YCF25 |
 Specific LabsReal World Environments and Data for AIteam of 7YC F25·Active·AI | AI | Active | YCF25 |
 TornyolWe build micro-drones that kill mosquitoes.team of 7YC F25·Active·Other | Other | Active | YCF25 |
 Cognition AIThe first AI software engineerled by Andreessen Horowitz27 open rolesSPC 2023 +3·Not stated·AI | AI | Not stated | SPC +32023 |
 Graphite (acquired by Cursor)Graphite is a modern code review tool for fast-moving teams.led by Accelacquired by CursorNeo ·Not stated·Other | Other | Not stated | Neo |
 Arva AIAI for critical banking operationsteam of 202 programsYC S24 +1·Active·AI | AI | Active | YC +1S24 |
 CifratoAI Accountant for Accounting Firmsteam of 17hiringYC W25·Active·AI | AI | Active | YCW25 |
 BudAgent with a computerteam of 6acquiredYC W25·Acquired·AI | AI | Acquired | YCW25 |
 AutumnBilling infrastructure for AIteam of 5hiringYC S25·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCS25 |
 AventAI agents for industrial commerceteam of 5hiringYC S25·Active·AI | AI | Active | YCS25 |
 Channel3Database of every product on the internetteam of 5hiringYC S25·Active·AI | AI | Active | YCS25 |
 HeraThe AI-native creative canvasteam of 5hiringYC S25·Active·AI | AI | Active | YCS25 |
 ManufactCloud infrastructure for MCP servers and Claude / ChatGPT plugins.team of 5hiringYC S25·Active·AI, Devtools | AI, Devtools | Active | YCS25 |
 TesoraFrontier AI for Actuariesteam of 5hiringYC S25·Active·AI, Devtools | AI, Devtools | Active | YCS25 |
 WaylineAI voice for property managersteam of 5hiringYC S25·Active·AI | AI | Active | YCS25 |
 AlderAI employees for finance, starting with accounts receivable.team of 2hiringYC F25·Active·AI | AI | Active | YCF25 |
 FlickWe Handle AI. You Direct Films.team of 2hiringYC F25·Active·AI | AI | Active | YCF25 |
 LayersImprove your appearance by measuring, understanding, and tracking…team of 2hiringYC F25·Active·AI | AI | Active | YCF25 |
 LemmaProduction Monitoring for AI agentsteam of 2hiringYC F25·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCF25 |
 LogicalProactive AI that knows what's importantteam of 2hiringYC F25·Active·AI | AI | Active | YCF25 |
 NessieThe shared context layer for recursive companies.team of 2hiringYC F25·Active·AI | AI | Active | YCF25 |
 NucleoThe first Agentic platform for Oncologyteam of 2hiringYC F25·Active·AI | AI | Active | YCF25 |
| SSelfinInstitutional liquidity across prediction marketsteam of 2hiringYC F25·Active·Other | Other | Active | YCF25 |
 Unsiloed AIAPI for parsing multimodal unstructured datateam of 2hiringYC F25·Active·AI, Devtools | AI, Devtools | Active | YCF25 |
 Ticket WalletAI-optimized ticket resaleteam of 20YC X25·Active·AI | AI | Active | YCX25 |
 Besimple AIVoice data for AIteam of 8hiringYC X25·Active·AI, Data | AI, Data | Active | YCX25 |
 CotoolSecurity operations optimized for agents.team of 8hiringYC X25·Active·AI | AI | Active | YCX25 |
 GroundControlVertical AI for highly-regulated manufacturingteam of 8hiringYC X25·Active·AI | AI | Active | YCX25 |
 AtlasGridAccelerate Product Iterationteam of 6YC F25·Active·AI, Data | AI, Data | Active | YCF25 |
| MMultifactorZero-trust authentication, authorization, and auditing for AI agentsteam of 6YC F25·Active·AI | AI | Active | YCF25 |
 Patent WatchAI for detecting patent infringementsteam of 6YC F25·Active·AI | AI | Active | YCF25 |
 SciloopExpert STEM reasoning data for frontier AI labs.team of 6YC F25·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCF25 |
 SorceTinder for jobsteam of 6YC F25·Active·AI | AI | Active | YCF25 |
 Astro MechanicaSupersonics for the new Jet Ageteam of 522 programsYC W24 +1·Active·Other | Other | Active | YC +1W24 |
 Toothy AIAI for insurance verification & billing at dental clinicsteam of 15hiringYC W25·Active·AI | AI | Active | YCW25 |
 diliAutomating Compliance for Constructionteam of 15led by KhoslaYC S23·Active·AI | AI | Active | YCS23 |
 CalltreeEnterprise-grade AI support reps for call centersteam of 14hiringYC W25·Active·AI | AI | Active | YCW25 |
 DuraniumReshoring critical metal productionteam of 12YC S25·Active·AI | AI | Active | YCS25 |
 Inversion SemiconductorManufacturing the most powerful chips, 15x fasterteam of 92 programsYC W25 +1·Active·Other | Other | Active | YC +1W25 |
 AirweaveThe open-source context retrieval layer for agentsteam of 7hiringYC X25·Active·AI, Devtools | AI, Devtools | Active | YCX25 |
 Avallon AIAI agents for insurance claims operationsteam of 7hiringYC X25·Active·AI | AI | Active | YCX25 |
 Cascade SpaceCommercial alternative to the Deep Space Networkteam of 7hiringYC X25·Active·Other | Other | Active | YCX25 |
 MesmerWe build software factories for engineering teamsteam of 7hiringYC X25·Active·AI, Devtools | AI, Devtools | Active | YCX25 |
 WillowThe voice interface replacing your keyboardteam of 7hiringYC X25·Active·AI | AI | Active | YCX25 |
 FivetranThe leader in automated data movementteam of 1.2k11.8k starsYC W13·Active·Data, Devtools | Data, Devtools | Active | YCW13 |
Startupsby Glyph