Top California Generative AI Startups (98)

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...

Eve Legal is pioneering the future of legal technology by focusing on AI-driven solutions that empower plaintiff-side law firms. With a robust platform designed for efficiency and effectiveness, Eve leverages artificial intelligence to streamline case analysis, enhance decision-making, and optimize client outcomes. Our mission centers on providing attorneys with the tools needed to stay competitive and navigate the legal landscape...

ClickMint pairs proprietary generative-AI diagnostics with senior CRO operators to uncover friction, launch precision tests, and unlock compounding gains—helping high-growth e-commerce brands scale faster without buying more traffic. Founded by the creator of one of the nation’s top-performing digital marketing firms—honored by Inc. as a Fastest-Growing Company for seven consecutive years and ranked among the Top 50 U.S. marketing agencies...

Bellagent is an enterprise-level AI agent platform built to automate everyday business operations with zero-touch integrations that connect instantly to more than 1,300 applications. Launched in 2025 by Proactifi Inc., and headquartered in Chicago, the platform is built for practicality with industry-leading compliance and security standards, enabling organizations to deploy AI agents without friction from day one. Bellagent’s mission to...

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...

Hedra is an AI native platform for multimodal creation. The platform is built around their own cutting-edge proprietary video model, Character-3, which is the first multimodal model in production. Alongside Character-3, the platform also brings other leading foundation models into one ecosystem spanning generative images, video, and audio. Prosumer and enterprise users leverage Hedra to generate content ranging from viral...

Mixbook is an award-winning design platform that gives people unrivaled creative freedom to tell their stories through beautiful, personalized photo goods. Since our start, we’ve helped more than 6 million people create one-of-a-kind books, cards, prints, and calendars, earning over 35,000+ 5-star reviews and becoming the #1 rated photo book service in the US. Our platform blends trend-forward design with a...

Collectly is a fast-growing healthcare tech startup leading the charge in transforming the U.S. healthcare market through AI-driven innovation. In the U.S., millions of patients interact with healthcare providers daily, navigating a system that often struggles with inefficiencies, administrative burdens, and suboptimal financial experiences. At the forefront of the AI boom, Collectly is redefining revenue cycle management (RCM) by applying cutting-edge...

Virtualitics, the Mission AI Company, is a leader in delivering AI readiness applications for commercial and government organizations. We are a fast growing AI company built on a decade of Caltech research in partnership with NASA/JPL, giving us a unique heritage in mission-critical innovation. We transform mission readiness and operational efficiencies at speed and scale by providing and predicting key...

Enabling the next billion AI video creators with Genmo

Fluency gives leaders real-time visibility into how work happens across processes, projects, and ad-hoc tasks. By connecting execution to outcomes, we turn complexity into clarity and hidden effort into measurable impact. Fluency works across all tools and teams from day one, creating a unified view of enterprise execution without the need for integrations. With Fluency, companies measure ROI on GenAI with...

Embedding VC is an early-stage venture fund backing Generative AI startups. All our investors are current and former builders and operators. We believe in the mission to develop AGI, and we are at the onset of a new computing super cycle, fundamentally driven by AI innovations.

Generative AI employee helpdesk for smarter support in seconds. Streamline your operations across the company with our LLM-trained Virtual Agent, Workflow Automation and Business Insights. Powerful AI support capabilities - Auto-resolve issues: Reset passwords, update groups and email lists, and so much more. - Automate processes: Streamline onboarding, offboarding and other repetitive activities. - Offer instant answers: Give accurate answers...

From custom silicon to intelligent algorithms, we’re breaking through the bottlenecks holding AI back, delivering orders-of-magnitude more performance, anywhere it’s needed. Persimmons, Inc. is on a mission to redefine what’s possible in AI inference computing. We design breakthrough full-stack solutions. From custom silicon to cutting-edge algorithms that shatter today’s performance limits and unlock AI’s true potential. Our next-generation inference platform delivers orders-of-magnitude...

Lakera is the world’s leading real-time GenAI security company. Customers rely on the Lakera AI Security Platform for security that doesn’t slow down their AI applications. To accelerate secure adoption of AI, the company created Gandalf, an educational platform, where more than one million users have learned about AI security. Lakera uses AI to continuously evolve defenses, so customers can...

Zenerate creates AI-powered feasibility software for real estate development. Founded in 2020 by architect Benji Shin (Harvard GSD, Genslers, HED) and Jamie Jeong (Caltech PhD., Samsung AI), Zenerate utilizes generative design and advanced data analytics to automate and optimize many of the inefficient processes of real estate development. We aim to pioneer the new age of real estate development and...

Flagright sets the modern standard for AI-native transaction monitoring. The platform enables financial institutions to centralize detection, investigation, and reporting of suspicious activity, streamlining regulatory workflows and strengthening financial crime controls. A high-performance, no-code scenario builder with sub-second API response times powers real-time monitoring, supported by tailored rules, dynamic risk profiling, and simulation tools that reduce false positives and improve...

Our mission is to advance humanity's understanding of AI by examining the inner workings of advanced AI models (or “AI Interpretability”). As a research-driven product organization, we bridge the gap between theoretical science and practical applications of interpretability. We're building critical infrastructure that empowers developers to understand, edit, and debug AI models at scale, ensuring the creation of safer and more...

We’re Kognitos, and we have built an OS for cognition that elevates machines to understand and obey human language. We have built the world’s most advanced combination of Generative AI and Logical execution that will empower most humans to innovate using computers without needing to learn how to program. Our mission is to bring humans out of the dark ages of...

Unlike generic AI, Coworker can answer, plan, and execute tasks for you with full company context across 40+ enterprise apps — no custom coding required.