What they do:
The API for LLM tool use
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HQ: San Francisco, CA, United States
Top Startups in San Francisco
This list has 3,181 startups and was last updated on Oct 16, 2026. 783 of them are hiring right now. Largest teams: DoorDash, Stripe, and Airbnb. Latest round: Jaccard raised $4.52M (Oct 15, 2026).
3,181 startupsPage 39 of 89
What they do:
AI chips for ultra-fast training and inference
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HQ: San Francisco, CA, United States
What they do:
All-in-one platform to create AI agents with your private knowledge
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HQ: San Francisco, CA, United States
What they do:
Build games at the speed of thought
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HQ: San Francisco, CA, United States
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Infrastructure for managing GPU clusters for training/serving.
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HQ: San Francisco, CA, United States
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RankAI grows your website on autopilot
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HQ: San Francisco, CA, United States
What they do:
Infuse knowledge into language models with just 10 samples
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HQ: San Francisco, CA, United States
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Budgeting app with built-in banking
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HQ: San Francisco, CA, United States
What they do:
AI Fitness Coach
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HQ: San Francisco, CA, United States
What they do:
People search powered by AI
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HQ: San Francisco, CA, United States
What they do:
AI Website platform that grows revenue automatically
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HQ: San Francisco, CA, United States
What they do:
Foundation Model for Chemical Manufacturing
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HQ: San Francisco, CA, United States
What they do:
Attunement turns fragmented behavioral health records into structured…
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HQ: San Francisco, CA, United States
What they do:
AI-Powered Engineering Productivity
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HQ: San Francisco, CA, United States
What they do:
Risotto auto-solves IT support requests using AI
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HQ: San Francisco, CA, United States
What they do:
Unlimited inference at $5 per stream
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HQ: San Francisco, CA, United States
What they do:
Batteries and solar for $0 upfront to help businesses save money
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HQ: San Francisco, CA, United States
What they do:
Deliver complete data analysis from a single question
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HQ: San Francisco, CA, United States
What they do:
Config Management for Robotics
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HQ: San Francisco, CA, United States
What they do:
ComfyUI for everyone on your team
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HQ: San Francisco, CA, United States
What they do:
Automating home care agency operations with AI
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HQ: San Francisco, CA, United States
What they do:
AI Coworkers for Business Automation
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HQ: San Francisco, CA, United States
What they do:
The COLD Task Framework
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HQ: San Francisco, CA, United States
What they do:
Gigascale Nanomanufacturing
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HQ: San Francisco, CA, United States
What they do:
A stealth mode startup.
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HQ: San Francisco, CA, United States
What they do:
The platform for enterprise AI agent automations, starting with email.
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HQ: San Francisco, CA, United States
What they do:
Data for biomedical AI
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HQ: San Francisco, CA, United States
What they do:
Lossless web data.
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HQ: San Francisco, CA, United States
What they do:
Engineering microbes for miners to unlock billions in trapped metal
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HQ: San Francisco, CA, United States
What they do:
A Reliable AI Frontend Engineer
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HQ: San Francisco, CA, United States
What they do:
Agents for quantitative research and financial data science.
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HQ: San Francisco, CA, United States
What they do:
Datadog for industrial robots
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HQ: San Francisco, CA, United States
What they do:
Legal Agent that delivers finished work
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HQ: San Francisco, CA, United States
What they do:
Automating workflows.
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HQ: San Francisco, CA, United States
What they do:
Turn employees' AI skills into shared company infrastructure
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HQ: San Francisco, CA, United States
What they do:
AI Agents for Lending Operations
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HQ: San Francisco, CA, United States