What they do:
AI-enabled procurement for government
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HQ: New York, NY, United States
Y Combinator Winter 2024 Startups
This list has 248 startups and was last updated on Oct 15, 2026. 90 of them are hiring right now. Biggest hubs: San Francisco (149), New York (42), and London (7). Largest teams: Legora, Model ML, and Astro Mechanica. Latest round: Legora raised $442M (Mar 24, 2026).
248 startupsPage 4 of 7
What they do:
Give Your Employee An Employee
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HQ: San Francisco, CA, United States
Deep24
Hiring
What they do:
AI coach for your entire life
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HQ: San Francisco, CA, United States
What they do:
The orchestration platform for teams who ship.
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HQ: New York, NY, United States
What they do:
Frontier models and agents you can learn from, audit, and steer.
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HQ: San Francisco, CA, United States
What they do:
Autonomously scaling environments
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HQ: San Francisco, CA, United States
Firebender
Hiring
What they do:
Most powerful coding agent for Android engineers
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HQ: San Francisco, CA, United States
What they do:
A social feed for interactive AI Creations
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HQ: San Francisco, CA, United States
What they do:
Nonprofit Financial Management
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HQ: San Francisco, CA, United States
What they do:
The AI operating system for commodity operations
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HQ: San Francisco, CA, United States
Haplotype Labs
Hiring
What they do:
Personalized prevention using genetics and AI
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HQ: San Francisco, CA, United States
What they do:
Voice AI for Automotive
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HQ: London, United Kingdom
What they do:
Elevated mRNA for transformative medicines.
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HQ: San Francisco, CA, United States
What they do:
Secured consumer lending in India
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Kabilah
Hiring
What they do:
Agentic AI for Nursing Workflows
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YC W24Early stage
PromptArmor
Hiring
What they do:
LLM Security and Compliance
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HQ: San Francisco, CA, United States
YC W24Early stage
What they do:
Unified flight software and hardware for the mission of tomorrow
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HQ: San Francisco, CA, United States
What they do:
Evals for products
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What they do:
Aggregating Spot Freight Opportunities for Carriers
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HQ: Seattle, WA, United States
What they do:
Helps teams work effectively with AI coding agents.
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HQ: San Francisco, CA, United States
What they do:
Create high quality presentations quickly using AI
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What they do:
Breakthrough medicines unlocking the biology of heme
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HQ: San Francisco, CA, United States
What they do:
Every student's personalized learning assistant
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HQ: Remote
What they do:
Frontier Voice Input - write 4x faster than typing.
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HQ: New York, NY, United States
What they do:
CPQ for humans and agents
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HQ: Santa Barbara, CA, United States
What they do:
AI Employees who love overtime
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HQ: London, United Kingdom
What they do:
The Bloomberg Terminal of Sports Betting
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HQ: New York, NY, United States
What they do:
Generate fast, reliable APIs for any platform
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HQ: San Francisco, CA, United States
What they do:
Ultimate AI Math Problem Solver to Revolutionize Personalized Learning
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HQ: San Francisco, CA, United States
What they do:
Tools for agent verification
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HQ: San Francisco, CA, United States
What they do:
Starbucks app for restaurants
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HQ: San Francisco, CA, United States
What they do:
An all-in-one platform for building internal agents & workflows
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HQ: Salt Lake City, UT, United States
What they do:
AI Assistant for Excel
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HQ: New York, NY, United States
What they do:
The Modern Surety Bond Platform
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HQ: Austin, TX, United States
What they do:
Revenue Superintelligence
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HQ: San Francisco, CA, United States
What they do:
A marketplace for B2B businesses to buy warm intros.
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HQ: San Francisco, CA, United States