Top California Generative AI Startups (103)

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...

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...

ClickMint helps e-commerce brands generate more revenue from the traffic they already pay for. We build and operate channel-adapted shopping funnels for paid social, affiliate, PPC and other acquisition channels—aligning the post-click experience to traffic intent instead of sending every visitor through the same generic path. Our system combines diagnostics, experimentation, measurement and senior operator oversight to improve revenue per...

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...

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...

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...

Twin Labs is a French AI lab backed by Clem Delangue & Thomas Wolf (HuggingFace), Irwan Bello & Romain Huet (OpenAI), Charles Gorintin (Alan, Mistral), Mehdi Ghissassi & Romuald Elie (Deepmind), Yanda Erlich (Weight & Biases), Mathias Gallé (Cohere), and many others. We’re building the first AI that can act as Humans do. Launching soon.

MojoTech is a 100% US-based software development company that integrates strategy, engineering, and design to create results-driven digital products and experiences. We've written the playbook for how to discover, define, design, and build tomorrow's innovations, empowering companies to unlock future market potential, maximize returns on innovation, and drive transformational change.

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...

Every leap in AI has followed the same pattern: first we made models bigger, then we tailored them, and now we let them think longer. Each step (scaling law) truly adds intelligence. But in the end we land on the same runway: inference, and demand is exploding while power supply lags. We asked: what if the next step isn’t stacking another...

Plaud.ai is building the next generation of intelligence infrastructure and interface to transform how people captures, extract, and utilize intelligence from what they say, hear, see and think. Our Mission: Amplify your intelligence. Our Vision: To transform how the world captures, extracts, and utilizes intelligence. Brand Owner: PLAUD Inc. Founded in: Dec 2021 Headquarter: San Francisco, US Offices: San Francisco, Seattle, Tokyo, Shenzhen, Singapore Team: 180+ and...

Creating revolutionary open-ended conversational applications through breakthrough research.

Guidde is the generative AI platform enabling teams to deliver know-how 11x faster for easy sharing with customers or employees. Market leading companies use Guidde video documentation to answer customer questions, onboard and train employees and drive self-service, enabling teams to perform better.

The architectures that power modern AI were designed for language, not for science. They were never built to understand DNA, interpret experiments, or learn the rules that govern living systems. Closing this gap represents one of the defining opportunities of our time. Our team has pioneered advances across frontier AI, including the first models trained with one-million-token context windows, and now...

CoreStory unlocks the hidden intelligence in your legacy code. By using AI to surface business logic and technical insights, we give enterprises the clarity to modernize faster, maintain apps smarter, and reduce the risk of costly failures. CoreStory overcomes the limitations of LLMs by applying recursive decomposition and recomposition, breaking down code into smaller, manageable units and rebuilding a complete,...

Reimagine photography with personalized GenAI.

Fireworks.ai offers generative AI platform as a service. We optimize for rapid product iteration building on top of gen AI as well as minimizing cost to serve. https://fireworks.ai/careers

Founded in 2005, our services include product development, delivering next-generation digital solutions; cyber security, helping teams protect against emerging cyber threats; and artificial intelligence, unlocking the potential of your data and people.

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...

We are an AI studio creating a personal AI for everyone. Our first AI is called Pi, for personal intelligence, a supportive and empathetic conversational AI. Our studio is made up of the world’s leading AI developers, creative designers, writers and innovators working together to create a brand new class of digital experiences. This is an era of exponential change. Our name...