AI investment trends are accelerating rather than declining. The United States is experiencing a blockbuster year for AI startups in 2025. Companies you can’t name, securing major investments worth $100 million and more. After observing the AI boom for a while, I have found that this year, numbers have reached mind-boggling levels. Venture capitalists are strongly backing the revolutionary businesses engaged in healthcare, legal tech, artificial intelligence infrastructure, and synthetic voice technologies.
Right now, what are the hot AI startups, and why should you care? In this article, we assess top companies with massive funding rounds and how they intend to deploy their recently obtained capital.
The AI Gold Rush of 2025
Well, everybody today knows AI is the hottest investment area in town; January to March of 2025 saw funding rounds hit an all-time high. After a phase where AI investment had already enjoyed a decent uptick, some big names like Andreessen Horowitz, Sequoia, Nvidia, and General Catalys are working harder than ever in pushing forward their AI investment agenda.
Why? AI went from being an abstraction more or less in the future into something that is now a common reality affecting all aspects of life. These startup companies build AI tools that serve to make things easier in daily life through technological innovation in areas like legal assistance and healthcare.
AI startups raising $100M in 2025
1. Anthropic: The AI Powerhouse

Funding: $3.5 billion Series E.
What they do: The organization will appear to operate as ChatGPT but with stringent safety and ethical considerations. One of the key players in the AI landscape, Anthropic, is a leading developer of advanced large language models that directly compete with OpenAI.
Why it matters: Among the companies backing their funding are Salesforce Ventures and Lightspeed. With AI safety becoming increasingly critical, Anthropic is carving its niche as the go-to leader in responsible AI development.
You can also explore it here: https://www.anthropic.com/
2. Together AI: Making AI Open for All

Funding: $305 million Series B
What it does: It’s basically an open-source generative AI, giving developers and businesses access to AI models they would rather have kept behind the paywall.
Why it matters: Together AI is disrupting big tech’s monopolistic control over artificial intelligence. With funding from General Catalyst and Nvidia, they put together an ecosystem for the true democratization of AI.
You can also explore it here: https://www.together.ai/
3. Lambda: The Infrastructure Giant

Funding: $480 million-Series D
What they do: The design and manufacture of computer hardware serves as the operational base for AI systems; Lambda’s GPUs likely powered the AI model you misled them with.
Why it matters: While AI requires high computational power, Lambda does the opposite by not allowing complete dependence on Nvidia hardware by companies.”
You can also explore it here: https://lambdalabs.com/?srsltid=AfmBOoovHBepKfbONZnm9Fi8O6V-MyewHagI850IeIMXfQntahRzSFSR
4. Abridge: AI for Doctors

Funding: $250 million Series D
What they do: The system translates doctor-patient dialogues into automatic medical documentation.
Why it matters: Every doctor will admit that documentation stands as their least favorite task when asked. Abridge is resolving this problem while hospitals have started to show their appreciation.
You can also explore it here: https://www.abridge.com/
5. Eudia: The Future of Legal Tech

Funding: $105 million Series A
What they do: AI-powered legal assistance. Imagine a very intelligent legal assistant capable of reviewing contracts and drafting documents while conducting case law research in mere seconds.
Why it matters: The AI-driven service Eudia reduces the time lawyers need for paperwork, which helps clients and firms save large amounts of money.
You can also explore it here: http://eudia.ehu.es/en/home/
6. EnCharge AI: Building Smarter AI Hardware

Funding: $100 million Series B
What they do: AI chips are capable of achieving high speed at lower costs and low energy consumption.
Why It Matters: The speed of current hardware systems fails to provide the type of complexity that is becoming the norm within AI models. EnCharge AI is changing all that.
You can also explore it here: https://www.enchargeai.com/
7. Harvey: Your AI-Powered Lawyer

Funding: $300 million Series D
What they do: They use legal AI software that’s meant to study documents, draft arguments, and estimate the outcome of cases.
Why It Matters: The legal sector has received credit for being somewhat lethargic in its response to technological advancement. Harvey makes it clear how artificial intelligence can hugely increase productivity in law firms.
You can also explore it here: https://www.harvey.ai/
8. ElevenLabs: The Voice of AI

Funding: $180 million Series C
What they do: They create voice duplications that sound human and believable. It is quite possible that ElevenLabs helped in the making of some AI podcasts you just heard.
Why it matters: The market is crying out for better synthetic voices for the applications of audiobooks and customer services, while ElevenLabs is beginning to fill that gap.
You can also explore it here: https://elevenlabs.io/
9. Hippocratic AI: AI with a Medical Degree

Funding: $141 million Series B
What they do: Large language models are designed specifically for healthcare.
Why it matters: The application of AI in medicine demands exceptional precision. Hippocratic AI creates diagnostic tools that enable doctors to treat patients with greater effectiveness.
You can also explore it here: https://www.hippocraticai.com/
How AI Develops Going Forward
The substantial investment in AI indicates that we have only begun our journey. The startups currently operating are developing AI innovations that will transform multiple industries for the future.
AI development faces obstacles, including ethical considerations and regulatory hurdles, as well as concerns about job displacement. The AI startups raising $100M in 2025 demonstrated that investors are increasing their AI investments while the technology advances at unprecedented speeds.
You can also check out our blog on Top AI Resources for Startups from Ideation to Implementation.
Conclusion
AI has become a present reality that is transforming our world as we speak. Startups demonstrate the escalating AI revolution through applications in legal efficiency enhancements, healthcare improvements, and AI tool democratization.
So, what do you think about these AI startups raising $100M in 2025? Will the future be an AI-driven paradise or an unpredictable journey? Let’s talk in the comments!
FAQ’s
During Series E funding, Anthropic raised $3.5 billion to complete the largest funding round in its history.
Startups are revolutionizing healthcare and legal tech while advancing AI infrastructure and voice technology.
Investors regard AI as the future because it meets increasing needs for automation and efficiency and generates innovation throughout various industries.
No, all nine startups mentioned are privately funded and backed by venture capital firms.
Companies provide AI-powered legal assistance and medical documentation automation to make tasks faster and smarter while increasing efficiency.