After years of layoffs and cost-cutting, Silicon Valley’s dealmaking is bouncing back — and the artificial intelligence boom is fueling the resurgence. Venture capital is flowing again, and a new wave of promising startups is emerging, reshaping industries from healthcare to cybersecurity. Here are 20 fast-growing tech and AI startups making waves — each backed by significant funding, strong investor support, and ambitious plans.
Abridge
Based in Pittsburgh, Abridge has raised $462.5 million to transform healthcare documentation. Its AI-powered platform converts doctor-patient conversations into clinical notes, slashing administrative work for doctors. A $250 million raise in 2024 boosted its valuation to $2.75 billion, thanks to major partnerships with Epic and Kaiser Permanente.
Anysphere
San Francisco-based Anysphere is behind Cursor, an AI coding assistant gaining rapid popularity. It raised $105 million in fresh funding, hitting a $2.5 billion valuation. Backed by Benchmark, Andreessen Horowitz, and OpenAI, Anysphere is fast becoming a must-know name in AI coding.
CodaMetrix
Boston’s CodaMetrix has secured $95 million to revolutionize medical billing. By using AI to automate coding from clinical notes, it tackles one of healthcare’s most burdensome tasks. Working with leading health systems like Mayo Clinic, the startup raised $40 million in its latest round.
Cohere Health
With $106 million in funding, Cohere Health is simplifying medical pre-authorizations using AI. Collaborating with major health plans like Humana, its technology cuts costs and reduces unnecessary treatment denials. The Boston-based company is scaling fast, driven by new AI-driven compliance tools.
Cortica
San Diego-based Cortica delivers integrated autism care, blending physical therapy, neurology, and behavioral health. Backed by $300 million, it operates clinics and virtual services nationwide. A recent $80 million raise saw major investors like JPMorgan’s Morgan Health join the mission.
Daedalus
Headquartered in Germany, Daedalus is using AI robotics to automate manufacturing. The startup, founded by a former OpenAI engineer, raised $32.6 million to streamline production in industries like semiconductors and healthcare. A recent $21 million Series A is fueling expansion.
Decagon
Decagon, based in San Francisco, develops AI support agents that handle customer service across chat, email, and voice. A $100 million raise — including a $65 million Series B — has positioned it as a leader in autonomous customer support for brands like Duolingo and Notion.
Elise AI
With $172 million in backing, New York-based Elise AI builds AI assistants for housing operators and healthcare providers. Its platform automates repetitive tasks like scheduling and maintenance requests. Elise reached unicorn status in 2024 after a $75 million Series D.
Flo Health
London-based Flo Health operates one of the world’s leading women’s health apps. With $300 million in funding, it became the first digital women’s health unicorn in 2024. The app’s period and wellness tracking features have gained millions of users globally.
Glean
Founded by ex-Google engineers, Glean helps companies search and generate content across apps. Based in San Francisco, it surpassed $100 million in annual recurring revenue, fueled by $560 million in funding. Glean is now expanding into new markets.
Grow Therapy
New York’s Grow Therapy connects patients with insured therapists while helping independent practices thrive. Backed by $178 million, the company is easing the mental health provider shortage. Sequoia Capital led its recent $88 million Series C.
Harvey
Harvey is reshaping legal tech with its generative AI platform. Serving 235 customers across 42 countries, it automates contract analysis and compliance. Harvey hit a $3 billion valuation after raising $300 million in 2024 from investors like Sequoia and Kleiner Perkins.
Midi Health
Specializing in virtual menopause care, San Francisco-based Midi Health is backed by $100 million. As more employers add menopause benefits, Midi offers hormonal therapy and support. High-profile investors include Google Ventures and Sheryl Sandberg.
Neubird
Redwood City’s Neubird is revolutionizing IT operations with its AI-powered system, Hawkeye. The platform automates issue detection and resolution for major clients, including financial institutions. Neubird recently raised $22.5 million from Microsoft’s M12 fund.
Nimble
With $221 million raised, Nimble is building fully autonomous e-commerce fulfillment centers. Its AI-driven robots handle inventory, packing, and shipping. Backed by FedEx and Accel, the San Francisco startup is solving labor shortages in logistics.
Reality Defender
This New York startup tackles the growing deepfake problem with AI detection software. With $40 million in funding, Reality Defender works with enterprises to flag manipulated content across video, audio, and text — vital in today’s misinformation landscape.
Sierra
Founded by former Salesforce and Google execs, San Francisco’s Sierra creates AI conversational agents for brands like Sonos and Casper. A recent funding round brought its valuation to $4.5 billion, positioning Sierra as a standout in customer experience AI.
Synthesia
London-based Synthesia, an AI video creation platform, has raised over $350 million. Used by companies like Heineken and Zoom, it helps create training and marketing videos without cameras or actors. Its valuation doubled in 2024 as demand surged.
Together AI
Together AI operates AI-optimized data centers and supports open-source model development. With $232 million in funding, including Salesforce and Nvidia as backers, the San Francisco startup is valued over $1 billion and rapidly expanding.
Writer
Writer offers a full-stack generative AI platform tailored for enterprises. With $326 million raised and clients like Fortune 500 companies, Writer focuses on security and compliance — a rare differentiator in the crowded AI market.
These 20 standout startups represent the next wave of AI-driven innovation, securing massive funding and scaling fast across healthcare, enterprise, and cybersecurity sectors. With the global AI race heating up, these companies are poised to shape the future.
