What they do:
Accelerating world models.
Quick facts:
HQ: San Francisco, CA, United States
YC X25Early stage
Top AI Startups in San Francisco
This list has 1,355 startups and was last updated on Oct 15, 2026. 443 of them are hiring right now. Largest teams: Cruise, Athelas, and Checkr. Latest round: Litewave.AI raised $200K (Oct 7, 2026).
1,355 startupsPage 32 of 38
What they do:
General Purpose Robots
Quick facts:
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…
Quick facts:
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
Quick facts:
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.
Quick facts:
HQ: San Francisco, CA, United States
Quick facts:
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
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HQ: San Francisco, CA, United States
Incorporated: 2022
Funding:
$200M · Equity · Apr 2026
Quick facts:
HQ: San Francisco, CA, United States
Incorporated: 2023
Funding:
$150M · Equity · Feb 2026
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HQ: San Francisco, CA, United States
Incorporated: 2024
Funding:
$33.5M · Equity · May 2026
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HQ: San Francisco, CA, United States
Incorporated: 2025
Funding:
$29.2M · Equity · Oct 2026
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HQ: San Francisco, CA, United States
Incorporated: 2024
Funding:
$27.5M · Equity · Mar 2026
Quick facts:
HQ: San Francisco, CA, United States
Incorporated: 2024
Funding:
$18.7M · Equity · Jun 2026
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HQ: San Francisco, CA, United States
Incorporated: 2023
Funding:
$11.9M · Equity · Apr 2026
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HQ: San Francisco, CA, United States
Incorporated: 2025
Funding:
$4.31M · SAFE · Mar 2026
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HQ: San Francisco, CA, United States
Incorporated: 2024
Funding:
$3.98M · Equity · Mar 2026
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HQ: San Francisco, CA, United States
Incorporated: 2025
Funding:
$2M · Equity · May 2026
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HQ: San Francisco, CA, United States
Incorporated: 2024
Funding:
$1.48M · Equity · May 2026
Quick facts:
HQ: San Francisco, CA, United States
Incorporated: 2024
Funding:
$1.35M · Equity · Jun 2026
Quick facts:
HQ: San Francisco, CA, United States
Incorporated: 2024
Funding:
$200K · Options · Oct 2026
Quick facts:
HQ: San Francisco, CA, United States
Quick facts:
HQ: San Francisco, CA, United States