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Top 100 California Startups to Watch in 2026

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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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Anthropic 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 Founded2021
FoundersDaniela Amodei, Dario Amodei, Jack Clark, Jared Kaplan, Sam McCandlish, Tom Brown
Funding Amount$33.7B
Startup SizeMajor Organization (1,001-5,000)
Last Funding StatusSeries F
Top InvestorsMenlo 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 Founded2022
FoundersAndy Konwinski, Aravind Srinivas, Denis Yarats, Johnny Ho
Funding Amount$1.5B
Startup SizeMid-Size Team (51-250)
Last Funding StatusVenture Round
Top InvestorsNVIDIA, 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 Founded2023
FoundersChristian Szegedy, Elon Musk, Greg Yang, Igor Babuschkin, Kyle Kosic, Manuel Kroiss, Toby Pohlen, Yuhuai Wu
Funding Amount$22.7B
Startup SizeMajor Organization (1,001-5,000)
Last Funding StatusCorporate Round
Top InvestorsAndreessen 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 Founded2016
FoundersAmjad Masad, Faris Masad, Haya Odeh
Funding Amount$472M
Startup SizeMid-Size Team (51-250)
Last Funding StatusSeries C
Top InvestorsAndreessen 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 Founded2015
FoundersAndrej 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 SizeMajor Organization (1,001-5,000)
Last Funding StatusVenture Round
Top InvestorsAndreessen 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 Founded2022
FoundersBrett Adcock
Funding Amount$1.9B
Startup SizeLean Team (11-50)
Last Funding StatusSeries C
Top InvestorsOpenAI, 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 Founded2010
FoundersJohn Collison
Funding Amount$9.4B
Startup SizeEnterprise Organization (5,001+)
Last Funding StatusSecondary Market
Top InvestorsAndreessen 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 Founded2019
FoundersArvind Jain, Piyush Prahladka, Prafful Goel, Sharvanath Pathak, Tony Gentilcore, TR Vishwanath
Funding Amount$768.2M
Startup SizeLarge Team (251-1,000)
Last Funding StatusSeries F
Top InvestorsGeneral 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 Founded2022
FoundersAman Sanger, Arvid Lunnemark, Michael Truell, Sualeh Asif
Funding Amount$1.1B
Startup SizeMid-Size Team (51-250)
Last Funding StatusSeries C
Top InvestorsAndreessen 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 Founded2023
FoundersScott Wu, Steven Hao, Walden Yan
Funding Amount$896M
Startup SizeMid-Size Team (51-250)
Last Funding StatusSeries C
Top InvestorsPear 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.

StartupIndustryYear FoundedAmount RaisedLast Funding Round
Harness logo HarnessInfrastructure2017$575MDebt Financing
Databricks logo DatabricksAnalytics2013$21.8BVenture Round
Writer logo WriterMedia2020$326MSeries C
Labs logo LabsAI2025$65MDebt Financing
Harvey logo HarveyAI2022$1BSeries F
Hulu logo HuluMedia2007$683MUndisclosed
FalconX logo FalconXCrypto2018$477MDebt Financing
Windsurf logo WindsurfAI2021$243MSeries C
You.com logo You.comAI2020$195MSeries C
MarqVision logo MarqVisionAI2020$94.3MSeries B
BitGo logo BitGoCrypto2013$171.5MCorporate Round
Honor logo HonorHealthcare2014$625MDebt Financing
Mercor logo MercorAI2023$483.6MSeries C
Character.ai logo Character.aiMedia2021$150.1MSeries A
BlockDAG logo BlockDAGCrypto2023$420MInitial Coin Offering
Vectara logo VectaraAI2022$53.5MSeries A
Nozomi Networks logo Nozomi NetworksSecurity2013$266MPrivate Equity
CodeRabbit logo CodeRabbitAI2023$87.6MSeries B
Momentum logo MomentumEnterprise2020$18MSeries A
Lendistry logo LendistryFintech2015$204.8MDebt Financing
Skims logo SkimsFashion2019$701MSeries C
Lambda logo LambdaAI2012$1.7BDebt Financing
Workato logo WorkatoCloud2013$415MSeries E
Factory logo FactoryAI2023$70MSeries B
Navan logo NavanTravel2015$2.2BConvertible Note
AppZen logo AppZenFintech2012$280.6MSeries D
6sense logo 6senseAI2013$526MDebt Financing
Neuralink logo NeuralinkBiotech2016$1.3BVenture Round
Juniper Square logo Juniper SquareFintech2014$371MVenture Round
FriendliAI logo FriendliAIAI2021$26.7MSeed
Assort Health logo Assort HealthAI2023$101.5MSeries B
Descope logo DescopeMedia2022$88MSeed
Thinking Machines Lab logo Thinking Machines LabAI2025$2BSeed
Sierra logo SierraAI2023$635MVenture Round
Apollo.io logo Apollo.ioAI2015$251.3MSeries D
Midi Health logo Midi HealthHealthcare2021$152MSeries C
Exa logo ExaAI2021$107MSeries B
Strava logo StravaMedia2009$151.9MDebt Financing
Neon logo NeonCloud2021$129.6MVenture Round
TRM Labs logo TRM LabsData2018$149.9MSeries B
Distyl AI logo Distyl AIAI2022$202MSeries B
Zania logo ZaniaAI2023$18MSeries A
Ambience Healthcare logo Ambience HealthcareAI2020$319.3MSeries C
Periodic Labs logo Periodic LabsAI2025$300MSeed
Commure logo CommureAI2017$820.5MVenture Round
Invisible Technologies logo Invisible TechnologiesData2015$107.9MVenture Round
Modular logo ModularAI2022$380MSeries C
Rivos logo RivosHardware2021$250MSeries A
Apex logo ApexMobility2022$522MSeries D
Aven logo AvenMedia2019$252MSeries E
Luma AI logo Luma AIAI2021$157.3MSeries B
World logo WorldCrypto2019$379MUndisclosed
Empower Semiconductor logo Empower SemiconductorManufacturing2014$215MSeries D
Honeycomb logo HoneycombCloud2016$146.9MSeries D
Kojo logo KojoManufacturing2018$93.6MSeries C
Zip logo ZipEnterprise2020$371.3MSeries D
Divergent logo DivergentManufacturing2013$1.1BSeries E
Cowbell logo CowbellAI2019$208.3MSeries C
Higgsfield logo HiggsfieldAI2022$58MSeries A
Dyna Robotics logo Dyna RoboticsAI2024$143.5MSeries A
Motive logo MotiveAI2013$717.3MVenture Round
CyberCube logo CyberCubeAnalytics2015$285MVenture Round
Fivetran logo FivetranAnalytics2012$853.1MDebt Financing
Intercom logo IntercomSaaS2011$240.8MSeries D
Motion logo MotionAnalytics2019$73.3MSeries C
Aster logo AsterHealthcare2023$2.4MPre-Seed
Webflow logo WebflowSaaS2013$334.9MSeries C
Bastion logo BastionInfrastructure2023$39.6MSeed
Baseten logo BasetenAI2019$285MSeries D
Scale AI logo Scale AIAI2016$15.9BCorporate Round
Karbon logo KarbonSaaS2014$102.3MVenture Round
ThoughtSpot logo ThoughtSpotAnalytics2012$663.7MSecondary Market
Burnt logo BurntAI2022$4.3MSeed
Together AI logo Together AIAI2022$533.5MSeries B
LangChain logo LangChainAI2022$35MSeries A
Rezolve AI logo Rezolve AIAI2017$22.5MSeries A
Anything logo AnythingAI2021$19.5MSeries A
Bloom Nutrition logo Bloom NutritionFood2019$90MCorporate Round
PlayAI logo PlayAIAI2022$23.7MSeed
EarnIn logo EarnInEnterprise2013$415.1MDebt Financing
Framework logo FrameworkHardware2019$45MSeries A
Fable logo FableMedia2019$36MSeries A
Ayar Labs logo Ayar LabsAI2015$374.7MSeries D
Lakera logo LakeraAI2021$30MSeries A
Slope logo SlopeRetail2021$252.1MDebt Financing
Zoox logo ZooxAI2014$1BConvertible Note
Genstore logo GenstoreAI2025$10MSeed
Innovaccer logo InnovaccerAnalytics2014$654.1MSeries F
SandboxAQ logo SandboxAQAI2016$975MSeries E
Audioshake logo AudioshakeAI2020$18.7MSeries A

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