What they do:
Turning all software into agent-first APIs
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HQ: San Francisco, CA, United States
Early-Stage Startups
This list has 3,573 startups and was last updated on Oct 15, 2026. 1,091 of them are hiring right now. Biggest hubs: San Francisco (1,716), New York (430), and London (125). Largest teams: Kapital Bank, Skill-lync, and Wave. Latest round: Clueso raised $10M (Oct 13, 2026).
3,573 startupsPage 88 of 100
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
What they do:
Open-source Agentic Development Environment
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HQ: San Francisco, CA, United States
What they do:
The first exchange to trade on attention.
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HQ: New York, NY, United States
What they do:
Foundation models for 24/7 Earth Observation
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HQ: San Francisco, CA, United States
What they do:
Turn gatherings into lasting relationships.
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HQ: San Francisco, CA, United States
What they do:
API sandboxes, built for AI agents
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HQ: San Francisco, CA, United States
What they do:
The secure training data R&D engine for physical AI
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HQ: San Francisco, CA, United States
What they do:
The robot workforce for infrastructure
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HQ: San Francisco, CA, United States
What they do:
AI account managers for consumer/self-serve apps
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HQ: New York, NY, United States
What they do:
Automating dexterous tasks in warehouses with AI-powered robots
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HQ: San Francisco, CA, United States
What they do:
Building Autonomous Research Agents for Trading
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HQ: Boston, MA, United States
What they do:
Keeping contractors on the job site, not behind a desk.
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HQ: San Francisco, CA, United States
What they do:
Drones that clear clouds over solar farms and weaken hurricanes
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HQ: San Francisco, CA, United States
What they do:
Compression middleware that improves LLM outputs
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HQ: San Francisco, CA, United States
What they do:
Payments for Conversational Agents
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HQ: San Francisco, CA, United States
What they do:
Agentic Messenger
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What they do:
API for performance-based payroll
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HQ: San Francisco, CA, United States
What they do:
Adversarial AI that breaks your AI
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HQ: San Francisco, CA, United States
What they do:
The AI-native property management company for short-term rentals
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HQ: San Francisco, CA, United States
What they do:
Using VLMs to Catch Damage
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HQ: San Francisco, CA, United States
What they do:
AI that runs factories.
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HQ: San Francisco, CA, United States
What they do:
Real-time interaction models for voice agents
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What they do:
AI operating system for advertising
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HQ: London, United Kingdom
What they do:
Financial infrastructure for family caregiving
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HQ: San Francisco, CA, United States
What they do:
The customer brain that connects data to explain customer behavior
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HQ: San Francisco, CA, United States