# Top 50 Generative AI Startups in the United States by Funding (2026)

> The 50 best-funded generative AI startups in the United States, ranked by total funding raised: $468B combined.

Source: https://millionrounds.com/top-lists/genai-startups-united-states (Millionrounds; every figure on the page links to its filing or article)

- 1 [**OpenAI** OpenAI is an artificial intelligence research and deployment company based in San Francisco.](https://millionrounds.com/company/openai) OpenAI is an artificial intelligence research and deployment company based in San Francisco. *Founded* 2011 San Francisco, United States **$230B** last round Oct 2026
- 2 [**Anthropic**](https://millionrounds.com/company/anthropic) *Founded* - United States **$134B** last round May 2026
- 3 [**xAI**](https://millionrounds.com/company/xai) *Founded* - United States **$81B** last round Feb 2026
- 4 [**Scale AI** Scale delivers proven data, evaluations, and outcomes to AI labs, governments, and the Fortune 500.](https://millionrounds.com/company/scale-ai) Scale delivers proven data, evaluations, and outcomes to AI labs, governments, and the Fortune 500. *Founded* - United States **$15B** last round Jun 2025
- 5 [**Reflection AI**](https://millionrounds.com/company/reflection-ai) *Founded* - United States **$3.0B** last round Oct 2025
- 6 [**Perplexity** Perplexity AI, Inc.](https://millionrounds.com/company/perplexity) Perplexity AI, Inc. *Founded* 2022 San Francisco, United States **$1.3B** last round Aug 2026
- 7 [**ElevenLabs**](https://millionrounds.com/company/elevenlabs) *Founded* - United States **$780M** last round May 2026
- 8 [**Higgsfield** Higgsfield is a video AI firm committed to democratizing social media content creation for everyone.](https://millionrounds.com/company/higgsfield) Higgsfield is a video AI firm committed to democratizing social media content creation for everyone. *Founded* 2022 San Francisco, United States **$480M** last round Oct 2026
- 9 [**Tripo AI**](https://millionrounds.com/company/tripo-ai) *Founded* - United States **$446M** last round Sept 2026
- 10 [**Rogo**](https://millionrounds.com/company/rogo) *Founded* - United States **$333M** last round Sept 2026
- 11 [**Resolve AI** Resolve AI is a technology company founded in 2024 and based in San Francisco, California.](https://millionrounds.com/company/resolve-ai) Resolve AI is a technology company founded in 2024 and based in San Francisco, California. *Founded* 2024 San Francisco, United States **$200M** last round Apr 2026
- 12 [**Writer**](https://millionrounds.com/company/writer) *Founded* - United States **$200M** last round Oct 2024
- 13 [**TwelveLabs** TwelveLabs is a San Francisco-based artificial intelligence company founded in 2021 that specializes in video-native foundation models for human-like video understanding.](https://millionrounds.com/company/twelvelabs) TwelveLabs is a San Francisco-based artificial intelligence company founded in 2021 that specializes in video-native foundation models for human-like video understanding. *Founded* 2021 San Francisco, United States **$100M** last round Aug 2026
- 14 [**Speak_** Speak is an AI-powered language learning platform that focuses on enhancing spoken fluency through real conversations with an advanced AI tutor.](https://millionrounds.com/company/speak) Speak is an AI-powered language learning platform that focuses on enhancing spoken fluency through real conversations with an advanced AI tutor. *Founded* 2016 San Francisco, United States **$81M** last round Dec 2024
- 15 [**Threekit** Threekit is an AI-powered Visual Commerce Platform based in Chicago, Illinois.](https://millionrounds.com/company/threekit) Threekit is an AI-powered Visual Commerce Platform based in Chicago, Illinois. *Founded* 2018 Chicago, United States **$65M** last round Nov 2021
- 16 [**Octave** Octave Capital partners with venture-backed and founder run technology companies to provide flexible growth capital and liquidity.](https://millionrounds.com/company/octave) Octave Capital partners with venture-backed and founder run technology companies to provide flexible growth capital and liquidity. *Founded* - United States **$65M** last round Sept 2026
- 17 [**AirOps** AirOps is an enterprise-level content engineering platform that specializes in AI search growth.](https://millionrounds.com/company/airops) AirOps is an enterprise-level content engineering platform that specializes in AI search growth. *Founded* 2021 San Francisco, United States **$56M** last round Nov 2025
- 18 [**Instrumentl** Instrumentl is a SaaS platform that automates grant discovery, research, and management for nonprofits, grant consultants, and universities.](https://millionrounds.com/company/instrumentl) Instrumentl is a SaaS platform that automates grant discovery, research, and management for nonprofits, grant consultants, and universities. *Founded* 2016 San Francisco, United States **$55M** last round Apr 2025
- 19 [**Krea**](https://millionrounds.com/company/krea) *Founded* - United States **$47M** last round Apr 2025
- 20 [**Darwin AI**](https://millionrounds.com/company/darwin-ai) *Founded* - United States **$33M** last round Oct 2025
- 21 [**Collov Labs** Collov Labs is an Agentic Diffusion Lab, turning generative models into systems that can act, adapt, and scale across use cases.](https://millionrounds.com/company/collov-labs) Collov Labs is an Agentic Diffusion Lab, turning generative models into systems that can act, adapt, and scale across use cases. *Founded* - Redwood City, United States **$31M** last round Apr 2026
- 22 [**Converge Bio** Converge Bio integrates Generative AI with biological data.](https://millionrounds.com/company/converge-bio) Converge Bio integrates Generative AI with biological data. *Founded* - Wilmington, United States **$31M** last round Jan 2026
- 23 [**PandaDoc** PandaDoc is an American SaaS company that specializes in document automation technology.](https://millionrounds.com/company/pandadoc) PandaDoc is an American SaaS company that specializes in document automation technology. *Founded* 2014 San Francisco, United States **$27M** last round Dec 2025
- 24 [**TestFit** TestFit is an AI-powered real estate feasibility platform based in Dallas, Texas, founded in 2016.](https://millionrounds.com/company/testfit) TestFit is an AI-powered real estate feasibility platform based in Dallas, Texas, founded in 2016. *Founded* 2016 Dallas, United States **$20M** last round Jul 2022
- 25 [**Addressable** Addressable provides personalized marketing outreach powered by Generative AI and patented robotic handwriting.](https://millionrounds.com/company/addressable) Addressable provides personalized marketing outreach powered by Generative AI and patented robotic handwriting. *Founded* 2017 Los Angeles, United States **$15M** last round Dec 2023
- 26 [**Onyx** Onyx is a physical fitness center that provides personal training sessions for boxing and mobility.](https://millionrounds.com/company/onyx) Onyx is a physical fitness center that provides personal training sessions for boxing and mobility. *Founded* 2019 London, United States **$10M** last round Mar 2025
- 27 [**Napkin AI** Napkin AI is a visual AI platform founded in 2021, designed to help business professionals transform written content into customizable visuals for effective storytelling.](https://millionrounds.com/company/napkin-ai) Napkin AI is a visual AI platform founded in 2021, designed to help business professionals transform written content into customizable visuals for effective storytelling. *Founded* 2021 Los Altos, United States **$10M** last round Aug 2024
- 28 [**HoneyHive** HoneyHive is an AI observability and evaluation platform tailored for production AI agents and large language model applications.](https://millionrounds.com/company/honeyhive) HoneyHive is an AI observability and evaluation platform tailored for production AI agents and large language model applications. *Founded* 2022 New York, United States **$9.3M** last round Apr 2025
- 29 [**Tezi** Autonomous AI recruiting](https://millionrounds.com/company/tezi) Autonomous AI recruiting *Founded* 2024 Menlo Park, United States **$9.0M** last round Jul 2024
- 30 [**Aline** Aline develops software that digitizes legal contracts and builds smart automated workflows for contracts.](https://millionrounds.com/company/aline) Aline develops software that digitizes legal contracts and builds smart automated workflows for contracts. *Founded* 2019 Berkeley Heights, United States **$7.8M** last round Jul 2026
- 31 [**Adam**](https://millionrounds.com/company/adam) *Founded* - United States **$7.5M** last round Oct 2025
- 32 [**TensorZero** TensorZero is an open-source LLMOps platform designed for building, optimizing, and deploying large language model (LLM) applications.](https://millionrounds.com/company/tensorzero) TensorZero is an open-source LLMOps platform designed for building, optimizing, and deploying large language model (LLM) applications. *Founded* - New York, United States **$7.3M** last round Aug 2025
- 33 [**Quack** We turn support tickets into opportunities](https://millionrounds.com/company/quack) We turn support tickets into opportunities *Founded* 2023 United States **$7.0M** last round Sept 2025
- 34 [**AvatarOS** Avataros is a software company based in Los Angeles, founded in 2023, that specializes in developing an AI-powered operating system called AvatarOS.](https://millionrounds.com/company/avataros) Avataros is a software company based in Los Angeles, founded in 2023, that specializes in developing an AI-powered operating system called AvatarOS. *Founded* 2023 Thousand Oaks, United States **$7.0M** last round Mar 2025
- 35 [**Meibel** Meibel is an AI orchestration and runtime platform company founded in 2024 and based in Tysons, Virginia.](https://millionrounds.com/company/meibel) Meibel is an AI orchestration and runtime platform company founded in 2024 and based in Tysons, Virginia. *Founded* 2024 McLean, United States **$7.0M** last round May 2025
- 36 [**Third Dimension AI** Third Dimension AI is a San Francisco-based company founded in 2024 that specializes in creating high-fidelity 3D worlds for embodied AI systems, such as robots](https://millionrounds.com/company/third-dimension-ai) Third Dimension AI is a San Francisco-based company founded in 2024 that specializes in creating high-fidelity 3D worlds for embodied AI systems, such as robots *Founded* 2024 San Francisco, United States **$7.0M** last round Oct 2024
- 37 [**Kanza AI** Kanza AI is a technology startup that is building GenAI to accelerate human knowledge in health, wellness and medicine](https://millionrounds.com/company/kanza-ai) Kanza AI is a technology startup that is building GenAI to accelerate human knowledge in health, wellness and medicine *Founded* - Menlo Park, United States **$6.0M** last round Dec 2024
- 38 [**Mindy** Mindy is an application supporting physical condition through sports challenges.](https://millionrounds.com/company/mindy) Mindy is an application supporting physical condition through sports challenges. *Founded* 2016 United States **$6.0M** last round Feb 2024
- 39 [**Outdefine** Outdefine is a technology company based in San Francisco, founded between 2020 and 2022.](https://millionrounds.com/company/outdefine) Outdefine is a technology company based in San Francisco, founded between 2020 and 2022. *Founded* 2023 San Francisco, United States **$5.3M** last round Oct 2023
- 40 [**Gauge** Gauge combines marketing and technology to offers a variety of services that help connect people, create experiences and boost businesses.](https://millionrounds.com/company/gauge) Gauge combines marketing and technology to offers a variety of services that help connect people, create experiences and boost businesses. *Founded* 2009 São Paulo, United States **$5.3M** last round Sept 2024
- 41 [**CueZen** CueZen is a health technology company based in Seattle, founded in 2021.](https://millionrounds.com/company/cuezen) CueZen is a health technology company based in Seattle, founded in 2021. *Founded* 2021 Seattle, United States **$5.0M** last round May 2025
- 42 [**LiST Funding** Life Science AI company utilizing LLMs, Generative AI, NLP and DL for predicting mortality/longevity risks and other medical outcomes](https://millionrounds.com/company/list-funding) Life Science AI company utilizing LLMs, Generative AI, NLP and DL for predicting mortality/longevity risks and other medical outcomes *Founded* 2018 New York, United States **$4.0M** last round Apr 2022
- 43 [**Infactory** Infactory is an artificial intelligence software company based in San Francisco, founded in 2024 by Brooke Hartley Moy and Ken Kocienda.](https://millionrounds.com/company/infactory) Infactory is an artificial intelligence software company based in San Francisco, founded in 2024 by Brooke Hartley Moy and Ken Kocienda. *Founded* 2024 San Francisco, United States **$4.0M** last round May 2025
- 44 [**StoryGold** StoryGold is building foundation models that turn designs into CADs to streamline the jewelry manufacturing process.](https://millionrounds.com/company/storygold) StoryGold is building foundation models that turn designs into CADs to streamline the jewelry manufacturing process. *Founded* - San Francisco, United States **$3.4M** last round Aug 2024
- 45 [**llmda** GenAI for Semiconductors & Hardware Systems Design](https://millionrounds.com/company/llmda) GenAI for Semiconductors & Hardware Systems Design *Founded* - San Francisco, United States **$3.0M** last round Feb 2024
- 46 [**Marvix AI** Marvix AI is a health tech company that uses generative AI to automate administrative tasks for clinicians.](https://millionrounds.com/company/marvix-ai) Marvix AI is a health tech company that uses generative AI to automate administrative tasks for clinicians. *Founded* - Boston, United States **$2.8M** last round Feb 2026
- 47 [**Zime** Zime sales behavior platform that surfaces best practices and drives adoption using behavior science and AI](https://millionrounds.com/company/zime) Zime sales behavior platform that surfaces best practices and drives adoption using behavior science and AI *Founded* - San Jose, United States **$2.5M** last round May 2024
- 48 [**Nimblemind.ai** Nimblemind.ai is a healthcare technology company based in Chicago, founded in 2024.](https://millionrounds.com/company/nimblemind-ai) Nimblemind.ai is a healthcare technology company based in Chicago, founded in 2024. *Founded* 2024 Chicago, United States **$2.5M** last round Mar 2025
- 49 [**Quark.ai** Quark.ai is an Autonomous Support platform based in Santa Clara, California, founded in 2017.](https://millionrounds.com/company/quark-ai) Quark.ai is an Autonomous Support platform based in Santa Clara, California, founded in 2017. *Founded* 2017 Santa Clara, United States **$2.5M** last round Sept 2022
- 50 [**Neural Command** Neural Command helps companies surface in AI answers and search results across systems like ChatGPT, AI Overviews, and Perplexity.](https://millionrounds.com/company/neural-command) Neural Command helps companies surface in AI answers and search results across systems like ChatGPT, AI Overviews, and Perplexity. *Founded* - Santa Monica, United States **$2.5M** last round Feb 2025

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Companies whose funding rounds we classed in this sector, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.

## Who backed them?

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