Top Cloud Infrastructure Startups in San Francisco

2 employeesYC S25Early stage

Applied AI & ML Cloud & infrastructure

Induction Labs

What they do:

Building intellectually curious AI

Quick facts:

2 employeesYC S26Early stage

Autumn AI

What they do:

Everything on anyone.

Quick facts:

2 employeesYC W26Early stage

Applied AI & ML Data & analytics Developer tools Cloud & infrastructure

The Context Company

What they do:

Find what's losing you customers and money in your AI agent and fix it

Quick facts:

2 employeesYC F25Early stage

Developer tools AI infrastructure & models Cybersecurity Cloud & infrastructure

Kestrel AI

What they do:

AI Agents for Platform Engineering

Quick facts:

2 employeesYC F25Early stage

Cloud & infrastructure Data & analytics Developer tools

Captain

What they do:

Self-tuning search for products and files

Quick facts:

2 employeesYC W26Early stage

AI infrastructure & models Applied AI & ML Developer tools Cloud & infrastructure

IncidentFox

What they do:

AI SRE agent that triages, coordinates, and fixes production incidents

Quick facts:

2 employeesYC W26Early stage

Cloud & infrastructure Robotics & drones

Synthetic Sciences

What they do:

Infrastructure for Autonomous Science

Quick facts:

2 employeesYC W26Early stage

Developer tools Cloud & infrastructure Applied AI & ML

Archal

What they do:

API sandboxes, built for AI agents

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2 employeesYC S26Early stage

The Token Company

What they do:

Compression middleware that improves LLM outputs

Quick facts:

2 employeesYC W26Early stage

Maven

What they do:

Payments for Conversational Agents

Quick facts:

2 employeesYC W26Early stage

Cloud & infrastructure Productivity & automation Manufacturing & chips

Control Seat

What they do:

AI that runs factories.

Quick facts:

2 employeesYC S26Early stage

Cloud & infrastructure Sales & marketing HR & recruiting Social & community

Dreach

What they do:

staffing firms with dreach grow revenue faster.

Quick facts:

2 employeesYC X26Early stage

AI infrastructure & models Cloud & infrastructure Media & entertainment

Lamina Labs

What they do:

Near-real-time video infrastructure for LLMs

Quick facts:

2 employeesYC X26Early stage

Zibra Labs

What they do:

Distributed runtime for AI workloads at scale

Quick facts:

2 employeesYC X26Early stage

Wato

What they do:

The control point for AI agents at work.

Quick facts:

2 employeesYC X26Early stage

RightNow

What they do:

Co-designing the fastest intelligence

Quick facts:

2 employeesYC F26Early stage

Applied AI & ML Developer tools Cloud & infrastructure

Hoplite

What they do:

Effortlessly deploy cloud software factories.

Quick facts:

2 employeesYC S26Early stage

Applied AI & ML Developer tools Cloud & infrastructure

Orchestra

What they do:

Self-optimizing neocloud that cuts LLM costs by 100x

Quick facts:

2 employeesYC S26Early stage

Cloud & infrastructure Applied AI & ML

Touchmark

What they do:

Market for future inference capacity

Quick facts:

2 employeesYC S26Early stage

Applied AI & ML Data & analytics Developer tools Cloud & infrastructure

Agnost AI

What they do:

We find where AI agents fail, then train better models to run them.

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2 employeesYC S26Early stage

Cloud & infrastructure Applied AI & ML Cybersecurity

Decawork

What they do:

Training company-specific models that approve AI actions.

Quick facts:

2 employeesYC S26Early stage

Real estate & construction Applied AI & ML Cloud & infrastructure

SubVysion

What they do:

Autonomous rovers to make the ‘Google Maps’ of underground utilities

Quick facts:

2 employeesYC S26Early stage

Cloud & infrastructure Applied AI & ML

Experiential Labs

What they do:

Open source AI gateway that turns your traffic into better models

Quick facts:

2 employeesYC S26Early stage

Applied AI & ML Cloud & infrastructure

Nodus Compute

What they do:

Intelligent Cloud for AI workloads

Quick facts:

2 employeesYC F26Early stage

Applied AI & ML Cloud & infrastructure

Bryel

What they do:

Building in-house, frontier AI labs for companies

Quick facts:

2 employeesYC F26Early stage

Cloud & infrastructure Applied AI & ML

Hopper

What they do:

Fast inference for voice

Quick facts:

2 employeesYC F26Early stage

Developer tools Applied AI & ML Cloud & infrastructure Productivity & automation

Pomerado

What they do:

Turn any website into an MCP for your agents, in minutes

Quick facts:

2 employeesYC F26Early stage

Cloud & infrastructure Developer tools

Memorable

What they do:

reducing agent reasoning into a graph search problem

Quick facts:

2 employeesYC S27Early stageRemote

Developer tools Applied AI & ML Cloud & infrastructure

Downlink

What they do:

Make your LLMs 3x faster.

Quick facts:

1 employeesYC W24Early stage

Applied AI & ML Developer tools Cloud & infrastructure Logistics & supply chain

Panora

What they do:

Turning messy inboxes into ERP-Ready Data

Quick facts:

1 employeesYC S24Early stage

Developer tools Applied AI & ML Cloud & infrastructure

Opslane

What they do:

Verify AI-generated code before you ship it

Quick facts:

1 employeesYC S24Early stage

Cybersecurity Applied AI & ML Developer tools Cloud & infrastructure

Golf

What they do:

Agentic AI Security and Governance

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1 employeesYC X25Early stage

Data & analytics Applied AI & ML Cloud & infrastructure

Databuddy

What they do:

AI Data Analyst for fast-growing teams

Quick facts:

1 employeesYC F26Early stageRemote

smol machines

What they do:

Ship software faster with portable, self contained virtual machines.

Quick facts:

1 employeesYC X26Early stage

Developer tools Applied AI & ML Cloud & infrastructure

GitCafe

What they do:

The Git forge for the next hundred billion commits

Quick facts:

1 employeesYC S26Early stage