What they do:
AI personal assistant for in-home sales
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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 27 of 40
What they do:
AI Chat & Stories
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HQ: San Francisco, CA, United States
What they do:
Build internal tools with AI
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HQ: San Francisco, CA, United States
What they do:
AI agents for conversational commerce
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HQ: San Francisco, CA, United States
What they do:
Headless Data Team
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HQ: San Francisco, CA, United States
What they do:
Foundational model research
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HQ: San Francisco, CA, United States
What they do:
AI Employees for Hotels
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HQ: San Francisco, CA, United States
What they do:
Building agents that reads logs and fixes issues on your behalf.
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HQ: San Francisco, CA, United States
What they do:
We turn traditional companies into AI companies
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HQ: San Francisco, CA, United States
What they do:
Agent teams for complex work
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HQ: San Francisco, CA, United States
What they do:
The fastest native app for agentic engineering.
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HQ: San Francisco, CA, United States
What they do:
RWE Generation in minutes
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HQ: San Francisco, CA, United States
What they do:
Simulation Engine for Benchmarking AI Products
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HQ: San Francisco, CA, United States
What they do:
Let your agent build dashboards and reporting.
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HQ: San Francisco, CA, United States
What they do:
AI agents that help you understand your customers' needs
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HQ: San Francisco, CA, United States
What they do:
AI workers for Skilled Nursing and Senior Living Operations
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HQ: San Francisco, CA, United States
What they do:
Building reinforcement learning environments
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HQ: San Francisco, CA, United States
What they do:
All-In-One AI Growth Partner. Built for Trades.
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HQ: San Francisco, CA, United States
What they do:
AI agents for web testing
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HQ: San Francisco, CA, United States
What they do:
We provide hedge funds with information they can trade on
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HQ: San Francisco, CA, United States
What they do:
Sandboxes for AI agents
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HQ: San Francisco, CA, United States
What they do:
Visibility and Controls for Browser Agents
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HQ: San Francisco, CA, United States
What they do:
The AI workspace for software implementations
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HQ: San Francisco, CA, United States
What they do:
Physics-based foundation models for CAD optimization.
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HQ: San Francisco, CA, United States
What they do:
AI for quantitative trading
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HQ: San Francisco, CA, United States
What they do:
Turn maps into data
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HQ: San Francisco, CA, United States
What they do:
Self learning computer use agent for developers
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HQ: San Francisco, CA, United States
What they do:
Run open models as fast as your hardware allows
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HQ: San Francisco, CA, United States
What they do:
AI video editor
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HQ: San Francisco, CA, United States
What they do:
The continuous oversight engine for clinical trials
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HQ: San Francisco, CA, United States
What they do:
Building intellectually curious AI
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HQ: San Francisco, CA, United States
What they do:
Building tiny frontier AI models that run on edge devices
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HQ: San Francisco, CA, United States
What they do:
The boring stuff, handled. Everything else, supercharged.
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HQ: San Francisco, CA, United States
What they do:
The Cursor for Chip Design - Delivering Silicon-Ready Chip Designs…
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HQ: San Francisco, CA, United States
What they do:
Your personal AI Assistant
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HQ: San Francisco, CA, United States
What they do:
Turns products into CLIs and agents into customers
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HQ: San Francisco, CA, United States