Information Technology startups in San Francisco

Decart

San Francisco

Decart provides efficient systems-level AI infrastructure that dramatically accelerates training and inference of the largest generative models, enabling Decart to train its own foundational interactive models and offer real-time access to

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.

Highlight

San Francisco

The company markets itself as an on-screen personal assistant and aims to make users 10x faster at their jobs, positioning its product as a tool to streamline work and speed up daily tasks through on-screen assistance.

Runloop

San Francisco

Runloop focuses on infrastructure and orchestration for AI agents, aiming to power the Agentic Web. With a small team of engineers formerly from Google and Stripe, it tackles productionizing AI for software engineering at scale.

Muro

San Francisco

Muro AI provides AI agents for Architectural, Engineering and Construction firms to automate pre-construction activities such as scoping and bid leveling, aiming to transform $2 trillion construction industry; led by CEO Kalyan Gautham, CTO

AthenaHQ

San Francisco

AthenaHQ provides an AI Search platform that helps global brands improve visibility, discoverability, and branding. It counts Coinbase, SoFi, and Twilio among its customers and serves over 200 clients with more than $2M ARR, underscoring ra

LlamaIndex

San Francisco

LlamaIndex offers an open-source framework that lets developers build agents to parse, extract insights, and act on enterprise documents, reasoning over data and scaling for production. It has 4M+ monthly downloads and 200M+ documents proce

Fillout

San Francisco

Fillout runs a no-code platform for forms, surveys, quizzes, scheduling, and workflows, serving tens of millions of users monthly and 50,000+ active teams with double-digit growth; its second product, Zite (launched April 2025), is the fast

Duckbill

San Francisco

Provides financial planning and analysis for enterprise infrastructure to understand, negotiate, and optimize cloud spend. Operates in the cloud cost management space, targeting enterprise customers for cloud spend management and optimizati

Fractional AI

San Francisco

Fractional AI builds bespoke generative AI software to move AI from concept to production, with all projects deployed. Based in San Francisco, it employs senior engineers and emphasizes experienced, high impact delivery, and is actively hir