Penguin AI
Shut down
What they do:
AI Sales Rep for Website Intent Signals
Quick facts:
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 39 of 40
Argovox
Shut down
What they do:
Voice AI agents for patient billing and collections
Quick facts:
HQ: San Francisco, CA, United States
OpenSight
Shut down
What they do:
AI-powered customer support automation for fast-growing companies
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HQ: San Francisco, CA, United States
Sidenote
Shut down
What they do:
Meeting follow-up, automated
Quick facts:
HQ: San Francisco, CA, United States
Lantern
Shut down
What they do:
Postgres vector database extension to build AI applications
Quick facts:
HQ: San Francisco, CA, United States
Blume Benefits
Shut down
What they do:
The AI copilot for health insurance brokers.
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HQ: San Francisco, CA, United States
Percival
Shut down
What they do:
Accelerating data analysis for research
Quick facts:
HQ: San Francisco, CA, United States
Rovr
Shut down
What they do:
AI FDE Engine that runs your engineering workflows
Quick facts:
HQ: San Francisco, CA, United States
VizeraLabs
Shut down
What they do:
Augmented reality through projectors
Quick facts:
HQ: San Francisco, CA, United States
20n
Shut down
What they do:
Using AI to predict biochemistry for manufacturing and therapeutics
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HQ: San Francisco, CA, United States
Reduced Energy Microsystems
Shut down
What they do:
Building the lowest-power silicon for embedded deep learning and…
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HQ: San Francisco, CA, United States
Sway Finance
Shut down
What they do:
Sway is bringing AI to the accounting industry
Quick facts:
HQ: San Francisco, CA, United States
Airo Health
Shut down
What they do:
Airo is an AI wearable to track mental health.
Quick facts:
HQ: San Francisco, CA, United States
Pit.AI
Shut down
What they do:
Solving intelligence for investment management.
Quick facts:
HQ: San Francisco, CA, United States
Semantix
Shut down
What they do:
AI for medical billing
Quick facts:
HQ: San Francisco, CA, United States
Slik
Shut down
What they do:
Slik automates your sales.
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HQ: San Francisco, CA, United States
Voicery
Shut down
What they do:
Automated voice acting and emotive speech synthesis with deep neural…
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HQ: San Francisco, CA, United States
Basilica
Shut down
What they do:
Basilica is an API that embeds high-dimensional data like images and…
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HQ: San Francisco, CA, United States
Docucharm
Shut down
What they do:
Automate paperwork by turning documents into structured data.
Quick facts:
HQ: San Francisco, CA, United States
Figments
Shut down
What they do:
Building worlds at technological inflection points
Quick facts:
HQ: Los Angeles, CA, United States
Tensil
Shut down
What they do:
We turn machine learning models into custom hardware.
Quick facts:
HQ: San Francisco, CA, United States
FirstQuadrant
Shut down
What they do:
Sales AI that helps revenue teams move faster and close more deals.
Quick facts:
HQ: San Francisco, CA, United States
Lifecast
Shut down
What they do:
Software to create 3D video for VR, robotics and film.
Quick facts:
HQ: San Francisco, CA, United States
Mercator
Shut down
What they do:
AI-assisted data analytics
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HQ: San Francisco, CA, United States
Dev Tools AI
Shut down
What they do:
AI powered web & mobile automation
Quick facts:
HQ: San Francisco, CA, United States
Blyss
Shut down
What they do:
End-to-end encrypted AI.
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HQ: San Francisco, CA, United States
Indexical
Shut down
What they do:
AI-powered data extraction engine
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HQ: San Francisco, CA, United States
Parabolic
Shut down
What they do:
AI assistant for customer support
Quick facts:
HQ: San Francisco, CA, United States
Rubber Ducky Labs
Shut down
What they do:
AI Powered Product Discovery
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HQ: San Francisco, CA, United States
Interlock
Shut down
What they do:
We are still in stealth mode.
Quick facts:
HQ: San Francisco, CA, United States
Fabius
Shut down
What they do:
AI to improve Sales Calls
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HQ: San Francisco, CA, United States
GreenTally
Shut down
What they do:
Affordable carbon tracking solution for all businesses
Quick facts:
HQ: San Francisco, CA, United States
Vizly
Shut down
What they do:
Data to insights in seconds
Quick facts:
HQ: San Francisco, CA, United States
Vango AI
Shut down
What they do:
Development platform that makes it 10x easier to improve visual models
Quick facts:
HQ: San Francisco, CA, United States
Kips Health
Shut down
What they do:
The only patient engagement software that pays you.
Quick facts:
HQ: Los Angeles, CA, United States
RadMate AI
Shut down
What they do:
Copilot for radiologists
Quick facts:
HQ: San Francisco, CA, United States