All startups in San Francisco

Momentic

San Francisco

**The AI-native automated testing platform** Momentic is the modern alternative to Selenium, Cypress, and Playwright. We help software companies ship faster with reliable end-to-end tests that write themselves. World-class engineering team

NationGraph

San Francisco

NationGraph aims to make public sector sales transparent and efficient by consolidating purchasing data into a single source of truth for procurement; it is backed by venture capital and angels, including XYZ Venture Capital, Reach Capital,

Archil

San Francisco

Archil connects AI applications to data resources, including model training, agents, and sandboxes, enabling data access for AI development and experimentation. It positions itself as the connector between AI tools and the data they require

Browser Use

San Francisco

The company specializes in animating web agents, bringing them to life as living entities on the web.

Toma

San Francisco

Toma provides an AI and software suite for automotive dealers, backed by top investors including Andreessen Horowitz and Y Combinator, and partnered with Lithia Motors and Cox Automotive; it has 100+ U.S. dealers and seven-figure ARR within

FleetWorks

San Francisco

FleetWorks builds voice agents to modernize freight booking, creating a more efficient marketplace for brokers and forwarders. With Series A funding, it is led by Paul Singer and Quang Tran and based in SOMA.

Aeolus

San Francisco

harmonizing chaos

ComfyUI

San Francisco

ComfyUI is a San Francisco-based, open-source, node-based engine for generating visual AI content, billed as the world’s leading visual AI platform with a modular system and a community of millions of users, 60k GitHub stars, and thousands

Phonely

San Francisco

Phonely develops voice AI technology to improve customer support and enable doctors to see more patients, while reducing hold times. It positions itself as a leader in intelligent, scalable customer communication and aims to redefine how bu

Ubicloud

San Francisco

Open source alternative to AWS

Artie

San Francisco

Artie enables real-time data streaming and database replication between databases and data warehouses, launched about a year ago and now processing over 10 billion rows per month, backed by Pathlight and General Catalyst.

Eigen

San Francisco

Eigen is building a consumer social company focused on peer-like connections rather than an assistant, aiming to redefine social experience with intuitive product design and human-centered interactions.

Artificial Intelligence Underwriting Company (AIUC)

San Francisco

The company underwrites superintelligence and evaluates, certifies, and insures agents, focusing on assessing and supporting agents within the realm of advanced intelligence.

Hark

San Francisco

Hark builds an end-to-end AI automation system—from workflow ingestion to production monitoring—plus services that accelerate deployment 10x; founded by Obaid Khan and Tim Lee, bringing operator credibility from Motive, Miso Media, and Code

Yutori

San Francisco

A startup building AI agents that reliably perform everyday web tasks, pursuing an agent-first stack from model training to generative interfaces; emerged from stealth in March and raised a $15M seed led by Radical Ventures, with Fei-Fei Li

Quanta

San Francisco

Quanta is the accounting service for software businesses who want to get their finances right, without delay. We’re the only service that can provide critical business metrics up to date daily, and will close your books as fast as the data

Simple AI

San Francisco

Simple AI builds enterprise-grade voice AI agents to automate customer conversations at scale, handling millions of calls for brands like Doordash, xAI, and Omaha Steaks. Backed by Y Combinator and notable investors, the lean startup aims t

Unto Labs

San Francisco

Unto Labs builds scalable distributed systems at the physical limits, applying high-performance computing principles to achieve unprecedented scale in global, decentralized networks. Its team hails from industry-leading blockchain firms.

Tamarind Bio

San Francisco

Tamarind provides access to AI-powered drug discovery for scientists, used by thousands from pharma, biotech, and academia, serving a broad, cross-industry research community.

Blacksmith

San Francisco

Blacksmith offers a platform to run GitHub Action workflows and has raised $13.5M in funding from Google Ventures, positioning itself as the fastest way to run GitHub Action workflows.

Deep Cogito

San Francisco

Deep Cogito, an AI startup in San Francisco, is dedicated to developing open-source general superintelligence and believes transformative AI research comes from small, committed teams working toward a shared goal.

Mandolin

San Francisco

Mandolin is building last-mile delivery infrastructure to speed development and delivery of cutting-edge drugs (cell/gene therapies, biologics), aiming to extend healthy lifespans by shortening time to patient access; backed by SignalFire,

ZeroPath

San Francisco

ZeroPath, founded by security researchers formerly from Tesla and Google, helps developers ship secure code faster with a developer-friendly solution that changes how teams approach application security.

Textla

San Francisco

Textla democratizes SMS for businesses with a lowest-price guarantee, delivering hard-dollar/time savings, and grew from $0 to $13M in revenue in 18 months with under 50 employees.

Eragon

San Francisco

Eragon is an AI Operating System for enterprises that serves as a reasoning engine, learning and acting across the organization, embedding into workflows to unify data, people, and processes into a context-aware workspace for billion-dollar decisions.

Brainbase

San Francisco

Brainbase Labs is building an AI Workforce by deploying AI agents that act as employees for front-line support to back-office tasks. Backed by top investors and with a multinational team, it has 150+ live deployments across automotive, hosp

Narrative

San Francisco

An AI-powered third-party risk management provider for financial institutions, helping them assess and manage risks from external vendors and partners.

General Legal

San Francisco

General Legal is an AI-native law firm built to deliver high-quality commercial contract work faster and more predictably than traditional firms. We combine experienced, U.S.-barred attorneys with AI-native workflows to handle drafting, review, and negotiation end to end—without billable hours, bloated process, or junior handoffs. We operate like a startup because we are one. That means modern tooling, outcome-based pricing, remote-friendly work, and meaningful ownership for the people doing the work. By using AI to make the routine parts of contracting effortless, we give our attorneys the space to focus on judgment, negotiation, and advising clients on what actually matters. We’re starting with commercial contracts for growing companies and building a modern law firm where great lawyers can do their best work—and help reshape how legal services are delivered.

Dedalus Labs

San Francisco

Dedalus Labs provides an MCP gateway and servers, unifying the AI agents ecosystem with a drop-in API. It enables users to go from idea to production in a single click, mixing models from any vendor with MCP marketplace tools.

Cogent Security

San Francisco

Cogent develops AI-powered vulnerability management solutions for enterprises, aiming to create an AI Taskforce for Vulnerability Management to boost efficiency and accelerate risk reduction. It is trusted by brands and led by executives fr

Pulse

San Francisco

Pulse specializes in scalable extraction of structured data from complex documents for data infrastructure, using intelligent schema mapping and fine-tuned models to overcome legacy OCR failures. San Francisco-based, it serves Fortune 100 e

Omen.ai

San Francisco

Omen AI develops industrial diagnostics and the Digital Mechanic, an intelligent diagnostic layer for industrial machines. Backed by leading investors, its technology has been deployed with Fortune 500 fleets and the company is scaling rapi

Taxo AI

San Francisco

Taxo builds agents to automate administrative workflows in healthcare, reducing clinicians' administrative burden and enabling them to focus on patients. It provides workflow-support solutions for healthcare professionals to improve efficie

Proximal

San Francisco

Proximal builds realistic training environments that mirror software engineering work and collaborates with frontier labs and enterprises to simulate complex tasks, helping clients train and adapt the next generation of coding agents.

Crucibl

San Francisco

Proximal builds realistic training environments that mirror software engineering work and collaborates with frontier labs and enterprises to simulate complex tasks, helping clients train and adapt the next generation of coding agents.

Onyx

San Francisco

Onyx is an open-source AI assistant that aggregates company documents, apps, and people (Slack, Google Drive, Confluence, GitHub) to provide immediate answers from a single interface, with 24/7 availability and customizable assistants; foun

Mako

San Francisco

Mako offers AI-powered solutions that securely tap into a firm's internal knowledge to accelerate research, analysis, and drafting, with a specialized focus on the private equity sector.

Lemon Slice

San Francisco

Lemon Slice is building a video foundation model for human motion and emotion, backed by a $6M seed from Y Combinator, Matrix Partners, The Chainsmokers and others; it has generated 1M+ videos and trains models as part of GenAI strategy.

Hamilton AI

San Francisco

Hamilton AI is building the operating system for business aviation, replacing fragmented communications with a fully integrated platform that uses AI to support scheduling, trip management, and operational decision-making, delivering real-t

Known Dating

San Francisco

Known positions itself as a generational companion for dating, friendships, and networking, supporting connections across diverse contexts and accompanying people through the full spectrum of relationships.