Top U.S. AI Startups That Raised $100M+ in 2024

AI startups have been on a fundraising spree in 2024, with several companies securing massive rounds and transforming the AI landscape. Despite some concerns about AI fatigue, venture capitalists are still investing heavily in the sector. According to Crunchbase data, AI companies raised $18.9 billion in the third quarter alone, making up 28% of all venture funding during that period.

This blog highlights the U.S.-based AI companies that raised $100 million or more in 2024, showcasing the trends and innovation that are driving the industry forward.

Here is the List

November:

• Physical Intelligence: A robotics software startup founded by Sergey Levine and Lachy Groom, raised a whopping $400 million in its Series A round, with participation from Lux Capital, Sequoia, and Jeff Bezos, valuing the company at over $2 billion.

October:

• Sierra: Founded by Bret Taylor, this AI chatbot company for enterprises raised $175 million in its latest funding round, valuing it at $4.5 billion.
• Nimble Robotics: A San Francisco-based autonomous warehouse robotics startup, raised $106 million in Series C funding, entering unicorn territory with a valuation of $1.1 billion.
• Lightmatter: This photonic computing startup raised $400 million in Series D funding, bringing its valuation to $4.4 billion.
• Path Robotics: Specializing in autonomous welding robots, raised $100 million in Series D funding.
• EvenUp: An AI-powered legaltech startup raised $135 million in Series D funding, with a valuation of $1 billion.
• KoBold Metals: Raised $491.5 million, with previous investments from Andreessen Horowitz and Bond.
• Poolside: A software development platform, secured $500 million in Series B funding, valuing it at $3 billion.
• OpenAI: The company behind ChatGPT raised a record-breaking $6.6 billion in a venture round, setting a new milestone in the AI sector.

September:

• Glean: An enterprise search startup raised $260 million in its Series E round, bringing its valuation to $4.5 billion.
• Safe Superintelligence: A research lab founded by former OpenAI co-founder Ilya Sutskever raised $1 billion, with a valuation of $4 billion.

August:

• Magic: AI coding startup Magic raised $320 million in Series C funding.
• Codeium: A coding platform raised $150 million, pushing its valuation to $1.2 billion.
• Abnormal Security: This AI-driven email security company raised $250 million, bringing its valuation to over $5 billion.
• Groq: An AI chip startup secured $640 million in Series D funding, valuing it at over $3 billion.

July:

• World Labs: AI researcher Fei-Fei Li’s startup raised $100 million, achieving a valuation of over $1 billion.
• Harvey: Legal AI startup Harvey raised $100 million, boosting its valuation to $1.5 billion.
• Skild AI: Raised $300 million in Series A funding, valuing the company at $1.5 billion.

June:

• Bright Machines: AI-driven robotics and software startup raised $106 million in Series C funding.
• Etched.ai: A chip startup focused on AI raised $120 million in Series A funding.
• EvolutionaryScale: Focused on biological AI models, raised $142 million in seed funding.
• AKASA: A healthcare automation platform raised $120 million, bringing its total funding to $205 million.
• AlphaSense: A market intelligence platform raised $650 million in Series F funding.

May:

• xAI: Founded by Elon Musk, xAI raised $6 billion in a Series B round, reaching a valuation of $24 billion.
• Scale AI: Raised $1 billion in Series F funding, valued at nearly $14 billion.
• Suno: An AI-music startup raised $125 million in Series B funding.
• Weka: A data platform company secured $140 million in Series E funding.

April:

• Blaize: An AI computing platform company raised $106 million in Series D funding.
• Augment: AI coding assistance startup raised $227 million.
• Cognition: Applied AI lab raised $175 million in Series A funding.
• Xaira Therapeutics: A drug discovery startup raised $1 billion.
• Cyera: Raised $300 million in Series C funding, valuing it at $1.4 billion.

March:

• Celestial AI: Raised $175 million for its optical interconnect technology.
• FundGuard: AI-powered investment accounting platform raised $100 million.
• Together AI: Raised $106 million, with a valuation of $1.2 billion.
• Zephyr AI: Raised $111 million, focusing on AI in drug discovery and precision medicine.

February:

• Glean: Raised $203 million in Series D funding, with a valuation of $2.2 billion.
• Figure: Robotics startup Figure raised $675 million, valuing it at $2.7 billion.
• Abridge: An AI-powered medical transcription company raised $150 million in Series C funding.
• Recogni: AI interface solutions company raised $102 million in Series C funding.

January:

• Kore.ai: Raised $150 million in Series D funding, specializing in conversational AI for enterprises.

These 44 U.S. AI startups are pushing the boundaries of innovation, attracting massive investments and reshaping industries from healthcare to robotics. With AI technology continuing to evolve, we can expect more breakthroughs and funding rounds in the months to come.

AI startups are proving to be a central part of venture funding, showing that the AI revolution is far from over.