Recently funded startups, hand-picked every weekday
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Sep 21
YC F26 · grep.ai
Grep AI — AI agents for high-stakes knowledge work
AI agents that automate high-stakes knowledge work you can't afford…
FintechArtificial intelligenceB2BYC · +1
$30M Series A · catena.com
Catena Labs — Financial infrastructure for AI agents
Catena Labs is building the first AI-native financial institution to provide the financial infrastructure and services AI systems need to conduct commerce. We’re giving AI agents the tools to identify themselves and use money safely and efficiently. At the same time, we’re providing businesses and consumers a trusted, licensed financial partner with the capability to manage risk and compliance.
Information technologyArtificial intelligenceOak Hc/FtA16z CryptoAcrew Capital$10M+ · +3
$5M · notes.fm
Notes.fm — Royalty collection for independent artists
Notes.fm is a music royalty collection platform designed to help independent artists and music companies identify and collect 100% of their royalties. Founded by Tim Luckow, Notes.fm aims to unify distribution and publishing, providing artists with full control over their earnings. The platform facilitates a streamlined process for royalty collection, ensuring artists do not miss out on their rightful income. Notes takes a flat monthly subscription fee, allowing artists to keep all their royalties.
Music$1M+
$100M Series B · rainmaker.com
Rainmaker — Drone cloud seeding to produce freshwater
Rainmaker Technology Corporation is a next-generation cloud seeding company based in El Segundo, Calif. The company uses weather-resistant drones to produce additional freshwater via cloud seeding, validating its operations with proprietary radar and validation systems. Recently, Rainmaker became the first private company to validate cloud seeding operations, significantly impacting water production. The organization aims to address water scarcity and intends to expand its methodologies to other agricultural challenges.
Agriculture and farmingDream VenturesLowercarbon CapitalDcvcUpfront VenturesNoa VC · +1 · +4
Sep 20
YC F26 · graypass.org
GrayPass — Verifies the right person is in control before key actions
Verify that the expected person is in control before key actions.
BiometricsIdentityInfrastructureYCB2B · +2
Sep 19
YC F26 · faradaycompute.com
Faraday — Industrial OS linking people, AI agents and robots
Industrial aOS between humans, agents, and robots
Artificial intelligenceRoboticsB2BYCManufacturingEnterprise software · +1 · +4
Sep 18
YC F26 · invertix.ai
Invertix — AI that runs energy operations
Energy Superintelligence, AI that runs energy operations.
Artificial intelligenceGenerative AISolar powerYCIndustrials · +2
$135M Series B · mazamaenergy.com
Mazama Energy — Carbon-free geothermal power from superhot rock
Mazama Energy is a geothermal operator and development company dedicated to advancing technologies and methods for extracting heat from superhot rocks to generate utility-scale, carbon-free, baseload energy. The company’s capabilities are derived from its founders AltaRock Energy and Blade Energy Partners.
EnergyOil and gasRenewable energyKhosla Ventures$100M+Biomass energy · +3
Sep 17
$18M · mainstay.io
Mainstay — Market data and deal tools for single-family rentals
Mainstay is a comprehensive market intelligence and transaction platform for the single-family rental industry. It aims to provide actionable insights to all market participants and offers purpose-built tools for owners and operators.
Real estateHospitalityClocktower Technology VenturesEra VenturesKhosla VenturesFj Labs · +4 · +7
$150M · nexplayground.com
NEX — Computer vision apps including HomeCourt and Active Arcade
Nex Team Inc., the computer vision company behind HomeCourt, Active Arcade, Party Fowl, Starri, Peppa Pig: Jump and Giggle, and Miniatics, was founded in 2017 by second time entrepreneurs and ex-Apple engineers. Nex has successfully developed amazing user experiences with cutting edge AI technologies. The last startup produced by this award winning team was acquired by Apple, Inc.
SoftwareMedia and entertainment$100M+
$2M Seed · antfly.io
Antfly — Retrieval engine for AI agents, self-hosted or managed
Antfly is developing a retrieval engine designed for AI applications. Their technology is aimed at providing a self-hosted solution, along with a fully managed service called Antfly Cloud. The company believes that retrieval engines will be essential for the functioning of AI agents, much like databases have been for applications. They focus on enhancing the way context is utilized by AI agents.
Artificial intelligenceMachine learning8 Bit CapitalHeavybit$1M+ · +2
$18M Series A · magentic.com
Magentic — AI agents that find savings in manufacturing supply chains
Magentic is an AI agent platform that identifies savings across global manufacturing supply chains. It integrates ready-to-use AI agents tailored for procurement and supply chain operations, aimed at uncovering and capturing savings in complex environments. The company serves various industries including consumer packaged goods, pharmaceuticals, and advanced manufacturing. Its technology allows companies to improve outcomes for their suppliers and customers while keeping human expertise at the forefront.
SoftwareArtificial intelligenceThe Westly GroupSequoia CapitalFelicis$10M+ · +3
$14.1M · thronelabs.co
Throne Labs — Smart public restrooms for parks and transit hubs
Throne Labs is transforming public restroom access with data-driven, inclusive smart restrooms that prioritize cleanliness and reliability. Its innovative, utility-free units can be deployed rapidly at a fraction of traditional costs. Throne’s turnkey service leverages sensors and real-time feedback to optimize cleaning and maintenance, delivering consistently high standards backed by transparent performance data. Thrones serve parks, transit hubs, and business districts, raising expectations for what public restrooms can be.
OtherHealthcare$10M+
$46.3M · whisper.aero
Whisper Aero — Quieter, more efficient thrust for drones and jets
Delivering the next generation of cleaner, quieter, more efficient thrust for drones, jets, and more
Energy$10M+
$75M Series B · multiplylabs.com
Multiply Labs — Robots that manufacture individualized drugs at scale
Multiply Labs develops advanced robotic systems that manufacture individualized drugs at scale. Our products are enabled by the combination of pharmaceutical science with robotics technology. Multiply Labs has built and operates a unique robotic pharmaceutical manufacturing facility in San Francisco.
Information technologyFounders FundLux CapitalCasdin CapitalStrange VenturesLegend Biotech · +3 · +6
$48M Series B · daytona.io
Daytona — Isolated environments for running AI-generated code
Daytona provides a secure, scalable infrastructure for executing AI-generated code. Our platform delivers instant environment creation, complete isolation, and enterprise-grade security for AI workflows. With comprehensive APIs and native Git/LSP support, we enable developers to safely run AI-generated code while maintaining full programmatic control. Built for the future of AI development.
Software$10M+
Sep 16
YC F26 · trylark.ai
Lark — Specialized AI agents for wholesale distributors
Lark - Specialized agents for wholesale distributors
B2BSupply chainArtificial intelligenceYCIndustrials · +2
YC S27 · memorable.sh
Memorable — Self-evolving workflows for AI agents
Self-evolving workflows for AI agents
Developer toolsInfrastructureB2BYC · +1
YC F26 · perit.ai
Perit.AI — Expert-led training data and RL for AI labs
Expert-led data and RL platform for AI labs
Data labelingB2BYC
$308M Series D · impulsespace.com
Impulse Space — In-space vehicles moving payloads beyond low Earth orbit
Impulse Space, the in-space transportation company founded by Tom Mueller, is opening access beyond Low Earth Orbit (LEO) with its fleet of in-space transportation vehicles. The flight-proven Mira vehicle uses a nontoxic, high-impulse chemical propulsion system to offer orbital transport, constellation deployment, and precision reentry services to customers from LEO to GEO. The high-energy Helios vehicle unlocks orbits beyond LEO with its powerful Deneb engine, dropping off payloads in MEO, GEO, heliocentric, lunar, and other planetary orbits. Led by a team that delivered the most reliable rockets in history, Impulse provides economical and efficient in-space transportation by reliably and rapidly getting customers where they want to go.
OtherTransportationLogisticsValor Equity PartnersLux CapitalLinse Capital · +4 · +7
$23.2M · terviva.com
Terviva — Plant-based oil and protein ingredients from pongamia trees
Terviva is a food and agriculture company that delivers tasty and nourishing plant-based food ingredients from the pongamia tree. We provide patented high-yielding trees and offer proprietary bean processing to create the world's most sustainable oil and protein food ingredients. Pongamia trees restore farmland to productive use, helping farmers feed people while taking care of the planet.
Agriculture and farmingFood and beverageFarming$10M+ · +1
Sep 15
$40M
Artificial Intelligence Underwriting Company raises a $40M Series A round
The Artificial Intelligence Underwriting Company (AIUC) focuses on providing insurance coverage and rigorous safety standards to help enterprises deploy artificial intelligence systems safely. Founded by a former Anthropic executive, AIUC aims to bridge the trust gap in AI deployment by offering independent audits and creating a comprehensive security framework for AI agents. Their solution, termed 'SOC 2 for AI agents', addresses key concerns around safety, security, and reliability in AI applications.
Information technologyArtificial intelligenceMachine learningFirst HarmonicRibbit Capital$10M+ · +3
$1B · basepowercompany.com
Base Power — Power company running a network of distributed batteries
Base is building the future of American power. The grid is the largest, most complex machine in the world. But it’s aging, struggling to keep up with today’s demand, and is unprepared for our electrified future. Base is modernizing the grid as the first engineering-led, technology-driven power company. We’re deploying a nationwide network of distributed batteries that strengthens critical infrastructure and saves Americans money. Our team of engineers, operators, creatives, technicians, and electricians design and deploy systems at speed. If you want to tackle the problem that will define this century and shape the future of American energy, now is the time.
EnergyRenewable energy$100M+
$2M Pre-Seed · boxd.sh
Boxd — Virtual machines for AI coding agents and developers
Boxd is a Dutch startup developing cloud infrastructure for AI coding agents and developers. The company provides virtual machines that allow multiple agents to execute code, run tests, and manage workflows efficiently. Their platform enables the creation of snapshots and live-forking capabilities, streamlining the development process and enhancing security. Boxd focuses on simplifying virtualization by minimizing unnecessary hardware emulation.
SoftwareArtificial intelligenceCloud infrastructureGeneral IntuitionScript CapitalS20 · +4 · +7
