California's startup landscape is currently defined by the rapid growth of artificial intelligence companies. This sector is attracting massive amounts of capital, with a few key players leading the charge.
AI research companies like OpenAI have raised $78 billion, while Anthropic has secured $33.7 billion in funding. These companies represent the top of a new wave of development in the state.
Below is our list of 100 California startups worth keeping an eye on.
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Get the Sheet for $50Anthropic develops general AI systems and large language models, including the popular AI assistant Claude. The company's core mission is to ensure these powerful systems are helpful, harmless, and safely aligned with human values.
| Year Founded | 2021 |
| Founders | Daniela Amodei, Dario Amodei, Jack Clark, Jared Kaplan, Sam McCandlish, Tom Brown |
| Funding Amount | $33.7B |
| Startup Size | Major Organization (1,001-5,000) |
| Last Funding Status | Series F |
| Top Investors | Menlo Ventures, TPG, General Catalyst, BlackRock, Insight Partners |
Perplexity builds an AI-powered answer engine to provide accurate, real-time responses to user queries. Their platform is designed to understand complex questions and deliver information with direct source citations.
| Year Founded | 2022 |
| Founders | Andy Konwinski, Aravind Srinivas, Denis Yarats, Johnny Ho |
| Funding Amount | $1.5B |
| Startup Size | Mid-Size Team (51-250) |
| Last Funding Status | Venture Round |
| Top Investors | NVIDIA, Accel, Bessemer Venture Partners, New Enterprise Associates, IVP |
xAI develops advanced artificial intelligence systems designed to accelerate human understanding of the universe. Its flagship product, Grok, is a conversational AI known for its real-time knowledge and witty, rebellious personality.
| Year Founded | 2023 |
| Founders | Christian Szegedy, Elon Musk, Greg Yang, Igor Babuschkin, Kyle Kosic, Manuel Kroiss, Toby Pohlen, Yuhuai Wu |
| Funding Amount | $22.7B |
| Startup Size | Major Organization (1,001-5,000) |
| Last Funding Status | Corporate Round |
| Top Investors | Andreessen Horowitz, NVIDIA, Tribe Capital, BlackRock, Sequoia Capital |
Replit created a cloud-based development environment that lets anyone build and deploy software from any device with a browser. Their platform is built for the AI era, offering a powerful coding assistant and the tools to create and host autonomous agents.
| Year Founded | 2016 |
| Founders | Amjad Masad, Faris Masad, Haya Odeh |
| Funding Amount | $472M |
| Startup Size | Mid-Size Team (51-250) |
| Last Funding Status | Series C |
| Top Investors | Andreessen Horowitz, Khosla Ventures, South Park Commons, Craft Ventures, Y Combinator |
OpenAI builds advanced artificial intelligence systems, including the popular conversational AI, ChatGPT. Their research in large language models has pushed the boundaries of AI, making powerful tools accessible to developers and the general public.
| Year Founded | 2015 |
| Founders | Andrej Karpathy, Durk Kingma, Elon Musk, Greg Brockman, Ilya Sutskever, John Schulman, Pamela Vagata, Sam Altman, Trevor Blackwell, Vicki Cheung, Wojciech Zaremba |
| Funding Amount | $78B |
| Startup Size | Major Organization (1,001-5,000) |
| Last Funding Status | Venture Round |
| Top Investors | Andreessen Horowitz, TPG, NVIDIA, Citi, Khosla Ventures |
Figure is building the world's first commercially viable autonomous humanoid robot for use in manufacturing, logistics, and retail. Their general-purpose robots are designed to work alongside humans, addressing labor shortages and handling unsafe jobs.
| Year Founded | 2022 |
| Founders | Brett Adcock |
| Funding Amount | $1.9B |
| Startup Size | Lean Team (11-50) |
| Last Funding Status | Series C |
| Top Investors | OpenAI, NVIDIA, FJ Labs, Brookfield Asset Management, Microsoft |
Stripe provides a suite of APIs that power online payment processing and commerce solutions for internet businesses. Their developer-focused platform simplifies how companies of all sizes can accept payments, manage revenue, and scale globally.
| Year Founded | 2010 |
| Founders | John Collison |
| Funding Amount | $9.4B |
| Startup Size | Enterprise Organization (5,001+) |
| Last Funding Status | Secondary Market |
| Top Investors | Andreessen Horowitz, General Catalyst, Temasek Holdings, Khosla Ventures, Sequoia Capital |
Glean develops an AI-powered search platform that unifies a company's apps and internal knowledge. The tool uses generative AI to provide direct answers to questions, helping employees find information without having to dig through different systems.
| Year Founded | 2019 |
| Founders | Arvind Jain, Piyush Prahladka, Prafful Goel, Sharvanath Pathak, Tony Gentilcore, TR Vishwanath |
| Funding Amount | $768.2M |
| Startup Size | Large Team (251-1,000) |
| Last Funding Status | Series F |
| Top Investors | General Catalyst, Wellington Management, Citi, Khosla Ventures, Lightspeed Venture Partners |
As an applied research lab, Anysphere develops AI solutions to automate software engineering. Their work centers on creating generative models that help developers write and maintain code.
| Year Founded | 2022 |
| Founders | Aman Sanger, Arvid Lunnemark, Michael Truell, Sualeh Asif |
| Funding Amount | $1.1B |
| Startup Size | Mid-Size Team (51-250) |
| Last Funding Status | Series C |
| Top Investors | Andreessen Horowitz, Accel, Benchmark, Thrive Capital, DST Global |
Cognition builds AI teammates designed to automate complex reasoning and coding tasks. Their flagship product, Devin, operates as the first fully autonomous AI software engineer.
| Year Founded | 2023 |
| Founders | Scott Wu, Steven Hao, Walden Yan |
| Funding Amount | $896M |
| Startup Size | Mid-Size Team (51-250) |
| Last Funding Status | Series C |
| Top Investors | Pear VC, South Park Commons, Khosla Ventures, 8VC, Lux Capital |
90 Additional California Startups Worth Following
Our top ten picks are just a small part of what’s happening across California. Founders all over the state are busy building new products and finding customers.
Many of these companies are working in AI and healthcare, and together have raised tens of billions of dollars. Here are the other startups that are shaping the state's next chapter.