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New startups on X, listed the day they start drawing early attention. Updated daily. by Emre Colakoglu

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Earlier

ZeroLeaks' mission is to make AI agents safe to trust with real tools and data.

2.7K

Your AI technical cofounder. Builds, plans & ships — while you sleep.

2.7K

Building multimodal data infrastructure

2.6K

Achira is building atomistic foundation simulation models to power the future of drug discovery.

296

Agents that do your firm's work, and Ark for every partner who wins it. Built from your experts' judgment and owned by the firm.

1.9K

Building a virtual heart. A cardiac-first drug rescue lab redesigning failed compounds into safer medicines.

461

Robotic autonomy for unstructured, quasi-industrial, environments. Hiring founding AI researchers and hardcore software/mechanical engineers

88

Kimono is your AI-powered copilot for managing and growing your network.

31

Third space for fashion

80

Clone short form to AI UGC for your brand. Backed by Y Combinator.

892

Your Organization's Memory System

1.3K

We are building the manufacturing, collaboration, & prototyping marketplace for the Americas. By manufacturers, makers & prototypers. #Reindustrialize

130

Tempo is a health companion built to help you live longer. create a protocol: https://t.co/FnFGpHi03q

280

Personalized activity books made for their passions - every puzzle & challenge crafted around each kid's unique interests. Days of screen-free fun & education!

12

Multi-agent peer review trusted by thousands of researchers. Try it free at https://t.co/CYqMOEkmy4

1.7K

Personal AI on every desk.

186

The People Data Company: 2.2B people, over 400M businesses.

87

Your task is specific. Your model should be too.

52

A lab for Experiential Intelligence.

2.1K

The planet is broadcasting. We listen. Building its nervous system and the intelligence layer on top.

9

Dark Matter is building reusable medium-sized jets that close the speed gap in air threat interception, at a fraction of the cost.

2

AI Ships. Brief Navigates. Align your team and agents from vision to impact at AI speed.

73

The world's most powerful self-improving ads and content engine.

656

pathOS, emotional intelligence for machines.

489

The AI Film Company Built by researchers from @mit, @meta and @carnegiemellon, Backed by @ycombinator An AI Research Lab purpose built for filmmaking.

2.1K

YC F25 | Data driven content agent for high-growth companies

895

Automated frontend verification of your frontend software changes

472

Casap helps banks, credit unions and fintechs intelligently tackle first-party fraud and automate disputes and chargebacks. Backed by top-tier VCs and founders

3

Building Autonomous Surgical Robots to make safe, world-class surgical care accessible to everyone.

19

Real-Time AI Speech Interpreter

497

Building Plamo, a purpose-built agentic 3D workspace for complex physical design and engineering. https://t.co/cZFDZBZKHa

529

The foundation for your creative expression.

33

Composable AI agents for security teams

517

Human-centric traffic lights, powered by AI.

64

Growth analytics for the agentic web

85

Automate anything on the web. Join us: https://t.co/V99bUPLa0V

719

The solution for spatially aware acoustic sensing and understanding.

4

Atomic execution for the multichain world. One liquidity layer. One execution layer. Zero bridges. https://t.co/FaSK9a21rJ

1.8K

Variant is a Social Platform for Playable Content that tells your stories.

32

We're building the first continuous hormone monitor. Reserve yours today.

28

Product Research Platform - Powered by Conversational AI Agents.

236

Scaling intelligent outreach for private market professionals.

6

the Cloud Workspace for Agents and Agents for Humans | try for free https://t.co/tJ81c6yLZj

356

The shared context engine for teams and their agents. Capture anything. Share what matters. Scuba organizes it all automatically, so everyone stays aligned.

656

Data and Simulation Infrastructure for Physical AI

2.5K

Democratizing world-class diagnostics for all babies

147

Inflection Space Systems manufactures high performance, low cost, constellation-class satellites at a global scale.

44

A human foundation model company. Our first family of models powers lifelike, interactive avatars for AI agents and applications—with ultra-low latency at scale

208

see what the eyes are saying

38

AI Recruiter Tuned to Identify the Best Vibe Coders Be personally matched with top YC Companies: https://t.co/QsU8t2f2qr

109

The last piece of software for the American Government

76

Helping e-commerce brands get discovered on ChatGPT Shopping (YC W25)

421

Bild AI can read your construction blueprints and extract material and cost data. Save builders time and pain of manually working with blueprints.

309

Dream Machines develops learning algorithms that allow robots to learn tasks within a day and autonomously improve with every shift.

398

The Enforcement Runtime for AI // Your policies and regulations, enforced on everything AI says. Before it ships.

136

training data for recursive self-improvement

2.8K

We build Sage, the first decision model, and pioneered multimodality, grounding and reasoning. Benchmark-leading. Ready to deploy in startups and enterprise.

1.3K

AI Native Accounting firm. Backed by @lightspeedvp

279

Fast and Cheap Fully Turnkey PCBA | Made in Texas

132

Training ground for enterprise AI agents

215

Vulnerability management made modern

15

Try, compare and orchestrate agents in your browser or via API. Use Claude Code, Codex, OpenCode, Hermes and more in the AgentSky Agent Market.

829

Lykos builds manufacturing infrastructure that improve the success of next-generation defense, aerospace, and advanced computing systems.

12

Secure AI that you control. Frontier/1 is the security-first AI cloud for open-weight models.

119

The platform that takes an app from idea to install, because code stopped being the bottleneck.

110

Połączyliśmy wideorozmowy, czat, tablicę, materiały, zadania, kalendarz i rozliczenia w jeden system pracy. Skup się na nauczaniu, pewniutko uporządkuje resztę.

12

Global AI-native law firm with same-day turnaround, enabled by AI and elite lawyers in the loop. Backed by YC.

441

The harness for websites. Add WebMCP tools, skills & policy so any agent can use your site - on your terms. Directory & benchmark: https://t.co/MASHdpHWun

763

LUCI remembers your life, on screen and off. Desktop: your day on Mac & Windows, free. Pin: a wearable 4K camera for everything away from the desk.

176

The world's first Large Visual Memory Model (LVMM) with unlimited context. Unlocking visual intelligence for AI agents.

2.5K

Optura is an AI orchestration company committed to transforming healthcare by unlocking the full potential of artificial intelligence.

17

The San Francisco Tensor Company

390

Move faster than your adversaries.

20

Engineering the future of gene therapy — capsid, cassette, delivery. Purpose built for precision & safety. Starting with the kidney.

37

AI-Driven Performance Creative Generate, run and optimize TV-quality video ads auto-magically

123

Hardware-Aware AI for Embedded Software

1.3K

Generate schematics for your PCB projects with AI. Like right now

54

AI-native radiology practice. Signed reports in minutes, not days. Dependable coverage for hospitals and imaging centers.

278

Leading the next generation of circuit boards and chip designs.

607

model dynamics effectively train on non-stationary distributions

3

The #1 AI Platform for Suppliers and Distributors. Proudly 100% built by American engineers.

95

Empowering Communities, Reshaping Gaming Distribution

1.1K

We help brands measure and improve their visibility in AI search.

1.3K

https://t.co/1pVobCjAIS — Helping coaches, consultants & creators turn customer interactions into revenue automatically. Launching May 2026 🚀

25

The AI Operator for Financial Services

161

Scale access securely and automatically

23

AI-powered situational awareness in tactical environments for both operators and commanders alike.

24

Uplane runs your marketing.

244

Tax prep and accounting software that runs itself

69

AI games with real friends

212

Building the world's first student loan RWA protocol. @u2u_xyz @educhain_xyz 📥TG: https://t.co/FrouWAwfvO

972

A collaborative markdown editor for teams.

2

Cursor for Teachers. Backed by Y Combinator.

304

The Autonomous Brand Factory (YC W24)

344

Make AI covers of your favorite music.

338

Building the frontier of computational research. The AI IDE for Jupyter Notebooks.

139

we are a research lab and holding company. we make models that do math.

190

Treater is the retail execution engine.

7

Upgradeable Satellite Constallations

22

We built the first AI to teach itself to beat Minecraft. Follow for research and updates.

27