
What they do:
AI support done right
Quick facts:
HQ: San Francisco, CA, United States
This list has 8,236 startups and was last updated on Oct 15, 2026. 1,491 of them are hiring right now. Biggest hubs: San Francisco (3,173), New York (858), and London (219). Largest teams: Breadfast, DoorDash, and Stripe. Latest round: Scimplify raised $25M (Oct 15, 2026).

What they do:
AI support done right
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HQ: San Francisco, CA, United States

What they do:
The Marketplace for Complex Hobbies
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HQ: San Francisco, CA, United States

What they do:
Real-time web intelligence API for AI agents and GTM teams
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HQ: San Francisco, CA, United States

What they do:
Canva for short-form video ads
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HQ: San Francisco, CA, United States

What they do:
Infra to build your own software factory
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HQ: New York, NY, United States

What they do:
AI plug-in that automates HR immigration screening and compliance
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HQ: San Francisco, CA, United States

What they do:
Powering tomorrow's industrial revolution in space
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HQ: San Diego, CA, United States

What they do:
Fast Physics Simulations for Rapid Design and Real Time Control
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HQ: San Francisco, CA, United States

What they do:
Autonomous OS for healthcare
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HQ: San Francisco, CA, United States

What they do:
Use Claude Code at 47% less cost in one line of installation.
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HQ: San Francisco, CA, United States

What they do:
AI that automatically improves products from user behavior
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HQ: San Francisco, CA, United States

What they do:
Your own chef at home
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What they do:
An AI Copilot for Trading Desks
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HQ: New York, NY, United States

What they do:
Claude Code for Mechanical Engineers
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HQ: San Francisco, CA, United States

What they do:
Datadog for Agent Reliability
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HQ: San Francisco, CA, United States

What they do:
Real time intelligence for law enforcement & security teams.
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HQ: San Francisco, CA, United States

What they do:
Detect what AI can automate for your team
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HQ: San Francisco, CA, United States

What they do:
Multimodal foundation models to predict uncollected patient biology
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HQ: San Francisco, CA, United States
What they do:
AI Employees for Primary Care
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HQ: San Francisco, CA, United States

What they do:
AI teammates for logistics
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HQ: San Francisco, CA, United States

What they do:
Drop-in Direct Billing SDK for In-App Purchases
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HQ: San Diego, CA, United States

What they do:
Your startup's financial advisor
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What they do:
AI EMR for medspas & wellness clinics
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HQ: New York, NY, United States

What they do:
AI Verification for Insurance
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HQ: San Francisco, CA, United States

What they do:
Turning all software into agent-first APIs
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HQ: San Francisco, CA, United States

What they do:
Notion for AI chats
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HQ: San Francisco, CA, United States

What they do:
Enterprise post-training, monitoring, and continual learning platform
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HQ: San Francisco, CA, United States

What they do:
RL environments for robotics companies
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What they do:
AI models that learn from experience
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HQ: San Francisco, CA, United States

What they do:
AI SRE agent that triages, coordinates, and fixes production incidents
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HQ: San Francisco, CA, United States

What they do:
AI agents that automate B2B software implementation
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HQ: San Francisco, CA, United States

What they do:
Scaling formal verification to accelerate scientific discovery
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HQ: San Francisco, CA, United States

What they do:
Infrastructure for Autonomous Science
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HQ: San Francisco, CA, United States

What they do:
AI powered reconciliation for high-volume payments companies
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What they do:
Your software should build itself.
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What they do:
AI native radars for self-driving cars
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HQ: San Francisco, CA, United States