What they do:
Android for drones
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HQ: San Francisco, CA, United States
Top AI Startups in California
This list has 1,429 startups and was last updated on Oct 15, 2026. 461 of them are hiring right now. Biggest hubs: San Francisco (1,355), Los Angeles (47), and San Diego (4). Largest teams: Cruise, Relativity Space, and Athelas. Latest round: Agriculture Scout AI raised $425K (Oct 13, 2026).
1,429 startupsPage 33 of 40
What they do:
Helps build social skills through daily practice
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HQ: San Francisco, CA, United States
What they do:
Physical intelligence for every decision with Geospatial AI.
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HQ: San Francisco, CA, United States
What they do:
Always-on AI security engineer
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HQ: San Francisco, CA, United States
What they do:
Helping K-12 teachers and school administrators build awesome…
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HQ: Sacramento, CA, United States
YC W14Early stage
What they do:
AI platform accelerating therapies for rare & inflammatory diseases.
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HQ: San Francisco, CA, United States
YC S19Early stage
What they do:
Get up and running with large language models.
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HQ: San Francisco, CA, United States
YC W21Growth stage
What they do:
Online University for Tech Professionals
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HQ: San Francisco, CA, United States
What they do:
AI operating system for veterinary care
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HQ: San Francisco, CA, United States
YC W24Early stage
What they do:
Generate ads. Iterate till perfect.
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HQ: San Francisco, CA, United States
YC W24Early stage
What they do:
An AI agent for scientific research
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HQ: San Francisco, CA, United States
YC S24Early stage
What they do:
Random labs is building long running autonomous coding agents.
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HQ: San Francisco, CA, United States
YC S24Early stage
What they do:
Transform Images And Videos Into Immersive 3D With AI
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HQ: San Francisco, CA, United States
YC S24Early stage
What they do:
Reimagining how Machines Learn
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HQ: San Francisco, CA, United States
YC W25Early stage
What they do:
Accelerating world models.
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HQ: San Francisco, CA, United States
YC X25Early stage
What they do:
General Purpose Robots
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HQ: San Francisco, CA, United States
YC F25Early stage
What they do:
Explore dozens of design directions with your agent
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HQ: San Francisco, CA, United States
YC F25Early stage
What they do:
AI Document Workflows for Enterprises
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HQ: San Francisco, CA, United States
YC W26Early stage
What they do:
AI-native back-office for banks and fintechs
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HQ: San Francisco, CA, United States
YC S26Early stage
What they do:
AI Employee for Manufacturing Operations
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HQ: San Francisco, CA, United States
YC X26Early stage
What they do:
Engineering Intelligence and Token Optimization for the AI-Coding Era
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HQ: San Francisco, CA, United States
YC S26Early stage
What they do:
The simplest interface in the world to talk AI models + spawn agents
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HQ: San Francisco, CA, United States
YC X26Early stage
What they do:
Teaching AI to Design Chips
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HQ: San Francisco, CA, United States
YC S26Early stage
What they do:
cards for AI agents
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HQ: San Francisco, CA, United States
YC S26Early stage
What they do:
Autopilot for Flight Operations
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HQ: San Francisco, CA, United States
YC S26Early stage
What they do:
AI teammates for your business-critical work.
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HQ: San Francisco, CA, United States
YC S26Early stage
What they do:
AI-native Accounting Firm that's killing Deloitte
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HQ: San Francisco, CA, United States
YC S26Early stage
What they do:
Resin helps engineers design electronics faster and more reliably
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HQ: San Francisco, CA, United States
YC F26Early stage
What they do:
AI-guided ballistic missiles, cheap enough to field in numbers that…
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HQ: San Francisco, CA, United States
YC F26Early stage
What they do:
A graph based IDE for when agents program faster than you can read
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HQ: San Francisco, CA, United States
YC F26Early stage
What they do:
Mashup any game
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HQ: San Francisco, CA, United States
YC F26Early stage
What they do:
The crowdsourced benchmark for AI-generated music and music production
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HQ: San Francisco, CA, United States
Cruise
Acquired
What they do:
Self-driving cars.
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HQ: San Francisco, CA, United States
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HQ: San Diego, CA, United States
Funding:
$592M · Equity · May 2026
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HQ: San Francisco, CA, United States
Incorporated: 2023
Funding:
$435M · Equity · Jan 2026
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HQ: San Francisco, CA, United States
Incorporated: 2024
Funding:
$364M · Equity · Jun 2026