Top California Artificial Intelligence Startups (1,463)

American medicine is the best in the world. But the American healthcare system is challenged by high administrative costs that burden patients, health systems, and insurance companies with unnecessary expenses. We are focused on addressing those challenges. We use GenAI to improve the most pressing financial pain points in the revenue cycle. We’re one of the first companies to deploy GenAI...

Blee is an AI-first marketing compliance platform that allows companies to review, approve, and manage marketing content. It integrates into content creation workflows to provide instant feedback, faster approvals, and scalable recordkeeping, giving teams complete control and oversight over their content across various regulated industries such as fintech and life sciences.

Founded in 2020 by George Sivulka and backed by Peter Thiel and Andreessen Horowitz, Hebbia powers investment decisions for BlackRock, KKR, Carlyle, Centerview, and 40% of the world’s largest asset managers. Our flagship product, Matrix, delivers industry-leading accuracy, speed, and transparency in AI-driven analysis. It is trusted to help manage over $15 trillion in assets globally. We deliver the intelligence that...

Our mission is to remove inefficiency from the foundation of AI. By combining new research in information theory, probabilistic modeling, and distributed systems, we’re creating self-optimizing data infrastructure that continuously improves how information is represented and used by intelligent systems.

Designed for the most ambitious go-to-market teams, it gives companies the power to understand every customer, automate at scale, and build their go-to-market motion exactly as they need.

Idler builds reinforcement learning environments that teach AI models to code at expert human levels. We create training environments based on real-world coding scenarios that prepare models for the complex challenges they'll face in production.

Ivo is the leading contract intelligence platform for enterprise legal teams — reviewing, negotiating, and extracting the intelligence your business runs on. Trusted by IBM, Uber, Shopify, and Canva, Ivo turns every agreement into a competitive asset.

We’re building an ERP that automates the accounting close and gives businesses current, reliable financial data to make decisions. Our engineers and accounting leaders build and operate the accounting engine together. Quanta categorizes transactions and books journal entries as they arrive, keeping the ledger continuously updated with our accounting team applying judgement, reviewing the close, and preparing the books for audit. We...

Product.ai (formerly Demand.io) is the truth layer for commerce. Built on Axiomatic Intelligence — a proprietary adversarial reasoning methodology that stress-tests product claims against physics, economics, and engineering constraints — Product.ai delivers verified purchase verdicts, not summaries. Product.ai tells consumers when NOT to buy. Product.ai emerges from Demand.io, a profitable, bootstrapped AI commerce company whose SimplyCodes platform processes over $1B...

Cie is a venture studio that serves as an innovation lab and accelerator for bold entrepreneurs who want to transform disruptive ideas into thriving ventures. Cie blends Silicon Valley DNA with the business maturity of serial entrepreneurs, seasoned venture capitalists, and Fortune 500 executives. Combined with the team’s strategic and operational expertise in technology, product development, brand building, and customer acquisition,...

Treeswift builds physical AI for labor. We use robotics and machine learning to help the people who do real work get more done, starting with the crews who keep the electric grid running,.

Runpod is pioneering the future of AI and machine learning, offering cutting-edge cloud infrastructure for full-stack AI applications. Founded in 2022, we are a rapidly growing, well-funded company with a remote-first organization spread globally. Our mission is to empower innovators and enterprises to unlock AI's true potential, driving technology and transforming industries. Join us as we shape the future of...

Outset invented a better way to do research: AI-powered user interviews. We created this new category of research technology and now it's growing wildly. Global brands like Hubspot, Microsoft, Uber and Nestle use Outset to achieve deeper, qualitative insights about their users at unprecedented speed and scale. The research industry is massive (>$140B and growing) and ripe for disruption. Incumbents are outdated,...

Axle Health builds scheduling and workforce management software to empower in-home healthcare providers to deliver exceptional, personalized care right where patients feel most comfortable—at home. Some of the biggest providers in the country use our software (like Cityblock Health and Grandcare) to improve the utilization of their field teams by 17%+, and automate the operational burden of scheduling and dispatching. Our platform...

Hex is changing the way people work with data. Our platform makes analytics workflows more powerful, collaborative, and shareable. Hex solves key pain points with today's data and analytics tooling, and is loved by thousands of users all over the world for the beautiful UI, new superpowers, and boundless flexibility. We are a tight-knit crew of engineers, designers, and data aficionados....

Compa is a venture-backed AI startup revolutionizing the future of compensation! We're bringing AI-forward tools and human-centered engineering to make pay competitive and fair, for all. By offering a premier, live compensation data platform that delivers top-tier intelligence to enterprise teams, we enable the world's largest companies to make smart and fair decisions while staying competitive and compliant. In dynamic...

Traditional firms rely on interviews, retroactive documentation, and billable hours. Onshore applies AI at the point of substantiation, providing documentation tied directly to source data and pairing it with expert review. The result is defensible, audit-ready work delivered in weeks, not quarters. We help companies claim R&D Tax Credits, 179D Deductions, and Cost Segregation with proof, not process. 500+ companies have trusted Onshore...

GC AI is the leading legal AI platform built specifically for in-house teams to solve the high-precision workflows they face every day. With powerful features like Easy Prompt™, Exact Quote™ citations, and native Microsoft Word integration, GC AI enables legal professionals to be strategic business partners through faster and more accurate drafting, reviewing, researching, and redlining. Purpose-built for sensitive, high-stakes...

Vitalize is an AI-powered platform that unifies staffing, scheduling, flow, and capacity for health systems, designed to optimize operations and deliver ROI.

Pallet makes supply chains more efficient. Our AI workforce, CoPallet, handles high-volume tasks like order entry, portal updates, and quoting — all with human-level accuracy and oversight. CoPallet operates your existing tools and processes at a fraction of the cost. We’ve raised over $50M from General Catalyst, Bain Capital Ventures, Activant Capital, and Bessemer Venture Partners. We’re built by a team...