What they do:
B2B Marketplace for Steel Raw Materials
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Y Combinator Winter 2023 Startups
This list has 274 startups and was last updated on Oct 15, 2026. 78 of them are hiring right now. Biggest hubs: San Francisco (112), New York (50), and Bengaluru (7). Largest teams: Alaan, Tennr, and Numeral. Latest round: Clueso raised $10M (Oct 13, 2026).
274 startupsPage 2 of 8
Vector
Hiring
What they do:
Advertising for the new internet
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HQ: Boston, MA, United States
LiteLLM
Hiring
What they do:
Call every LLM API like it's OpenAI [100+ LLMs]
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HQ: San Francisco, CA, United States
PoloTab
Hiring
What they do:
Restaurant software that actually works
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HQ: Mexico City, Mexico
Inkeep
Hiring
What they do:
Build AI Agent teammates and automations in code or no-code
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HQ: San Francisco, CA, United States
What they do:
Software delivery built for machine scale.
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HQ: Remote
Metal
Hiring
What they do:
The AI context platform for private capital. Everything your firm…
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HQ: New York, NY, United States
What they do:
Metal is an AI-driven operating system for fundraising
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HQ: Lahore, Pakistan
Concourse
Hiring
What they do:
The AI Agent platform for finance
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HQ: New York, NY, United States
Omnistrate
Hiring
What they do:
Build your control plane to deploy your product in your customer VPC…
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HQ: San Francisco, CA, United States
What they do:
Train AI on distributed data
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HQ: Remote
What they do:
Hire the best AI Sales employees | AI SDR | AI RevOps | AI EA
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Conduit
Hiring
What they do:
The operating system for shipping and receiving.
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HQ: San Francisco, CA, United States
Credal.ai
Hiring
What they do:
The Control Plane for Enterprise Agents
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HQ: New York, NY, United States
What they do:
B2B marketplace for Auto Dealers in Africa
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What they do:
Build and deploy fully‑managed AI agents and workflows
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HQ: London, United Kingdom
Cosine
Hiring
What they do:
Fully Agentic SWE
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HQ: London, United Kingdom
Variance
Hiring
What they do:
AI Agents for Fraud Review and Investigations
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HQ: San Francisco, CA, United States
inBuild
Hiring
What they do:
Workflow Automation for Construction Finance
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HQ: Wilmington, DE, United States
What they do:
Neobank for global remote workers
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HQ: Buenos Aires, Argentina
1stCollab
Hiring
What they do:
Performance-Optimized Influencer Marketing at Scale
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HQ: San Francisco, CA, United States
What they do:
Enterprise-Grade OpenTelemetry
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HQ: Boston, MA, United States
What they do:
B2B-2C real-time account to account payments
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Rubbrband
Hiring
What they do:
A new kind of creative company.
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HQ: San Francisco, CA, United States
Reflex
Hiring
What they do:
The operating system for building mission-critical enterprise apps.
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HQ: San Francisco, CA, United States
What they do:
Social listening for the video era
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HQ: San Francisco, CA, United States
Magic Patterns
Hiring
What they do:
Go from idea to production with AI.
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HQ: San Francisco, CA, United States
Hammr
Hiring
What they do:
Rippling for the Construction Industry
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HQ: San Francisco, CA, United States
What they do:
Bluedot is a single payment platform for EV drivers and fleets.
Quick facts:
HQ: San Francisco, CA, United States
Boundary
Hiring
What they do:
The programming language for AI
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HQ: Seattle, WA, United States
What they do:
Automating Healthcare Revenue Cycle Management with AI Workforce
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HQ: San Francisco, CA, United States
Diffuse Bio
Hiring
What they do:
Generative AI for protein design
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HQ: San Francisco, CA, United States
IcePanel
Hiring
What they do:
Design and explain complex software architecture.
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HQ: North Vancouver, Canada
FlexDesk
Hiring
What they do:
AI Agents for corporate real estate teams
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HQ: New York, NY, United States
ShortLoop
Hiring
What they do:
Phone AI that Captures Every Dealership Revenue Opportunity
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HQ: San Francisco, CA, United States
Vendah
Hiring
What they do:
Vendah is building a Faire-style marketplace for LATAM’s +50M…
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