What they do:
The cheapest, fastest inference cloud
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HQ: San Francisco, CA, United States
Top B2B Software Startups in San Francisco
This list has 2,110 startups and was last updated on Oct 15, 2026. 572 of them are hiring right now. Largest teams: Stripe, Deel, and GrubMarket. Latest round: Modal raised $750M (Oct 14, 2026).
2,110 startupsPage 26 of 59
What they do:
AI Customer Support for Fortune 500-scale enterprises
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HQ: San Francisco, CA, United States
What they do:
/dev/fast is the AI-native code forge
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HQ: San Francisco, CA, United States
What they do:
The AI-native Recruiting OS
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HQ: San Francisco, CA, United States
What they do:
AI-native transformation for operations-heavy companies
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HQ: San Francisco, CA, United States
What they do:
Autonomous IT Delivery
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HQ: San Francisco, CA, United States
What they do:
Realtime AI for Sales Calls
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HQ: San Francisco, CA, United States
What they do:
Global upload acceleration for 1GB-100TB files.
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HQ: San Francisco, CA, United States
What they do:
Building secure polymorphic apps
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HQ: San Francisco, CA, United States
What they do:
The World's Largest Video Library
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HQ: San Francisco, CA, United States
What they do:
AI that turns any camera to an autonomous worker with real-time vision
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HQ: San Francisco, CA, United States
What they do:
Let agents talk to your customers
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HQ: San Francisco, CA, United States
What they do:
AI-Native Investor Relations
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HQ: San Francisco, CA, United States
What they do:
Company Brain.
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HQ: San Francisco, CA, United States
What they do:
Autonomous offensive security agents. The best defense is offense
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HQ: San Francisco, CA, United States
What they do:
Autonomous AI defense system for cyber attack
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HQ: San Francisco, CA, United States
What they do:
OpenRouter for Voice AI: one API, every call on the best speech model
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HQ: San Francisco, CA, United States
What they do:
AI-native procurement services for the physical economy
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HQ: San Francisco, CA, United States
What they do:
Least cost routing system to reduce 70%+ token spend
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HQ: San Francisco, CA, United States
What they do:
Unifying Global Private Credit
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HQ: San Francisco, CA, United States
What they do:
Turn Your Taste Into Hires
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HQ: San Francisco, CA, United States
What they do:
Automating away manual admin for food distributors: texts to ERP
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HQ: San Francisco, CA, United States
What they do:
AI agents that run onboarding, adoption, and renewals
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HQ: San Francisco, CA, United States
What they do:
Robots for high skilled labor powering AI infrastructure
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HQ: San Francisco, CA, United States
What they do:
Real-time cloud inference for robotics.
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HQ: San Francisco, CA, United States
What they do:
Enable robots to operate safely in the real world.
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HQ: San Francisco, CA, United States
What they do:
Super fast, unblockable browser infra for agents
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HQ: San Francisco, CA, United States
What they do:
Making the JVM faster
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HQ: San Francisco, CA, United States
What they do:
Analytics, built for the trades.
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HQ: San Francisco, CA, United States
What they do:
Easiest way to set up Zero Trust Access for your team
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HQ: San Francisco, CA, United States
What they do:
The AI growth marketer that turns SaaS signups into revenue
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HQ: San Francisco, CA, United States
What they do:
A search technology that actually finds what you’re looking for.
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HQ: San Francisco, CA, United States
What they do:
Deploy serverless without rewriting code
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HQ: San Francisco, CA, United States
What they do:
AI-first user research platform
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HQ: San Francisco, CA, United States
What they do:
Platform to automate manual back-office work
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HQ: San Francisco, CA, United States
What they do:
Detect every data leak into third-party GenAI tools
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HQ: San Francisco, CA, United States