US AI Startups That Raised $100M or More in 2025.

US AI startups raised $100M or more in 2025, with notable funding rounds including Glean's $150M Series F, Anysphere's $900M Series C, and OpenAI's record-breaking $40B funding round. Other companies that raised significant funding include Snorkel AI, LMArena, TensorWave, SandboxAQ, and Runway. The year has already seen multiple billion-dollar rounds and a higher number of megarounds compared to Q1 2024.

Title: US AI Startups Raise $100M or More in 2025

US AI startups continue to attract substantial investment in 2025, with several companies securing funding rounds of $100 million or more. The year has seen notable funding rounds, including Glean's $150 million Series F, Anysphere's $900 million Series C, and OpenAI's record-breaking $40 billion funding round. Other companies that have raised significant funding include Snorkel AI, LMArena, TensorWave, SandboxAQ, and Runway. The first half of the year has already witnessed multiple billion-dollar rounds and a higher number of megarounds compared to Q1 2024.

Among the standout funding rounds, Glean, an enterprise search startup, announced a $150 million Series F round on June 10. The company is now valued at $7.25 billion. Anysphere, the AI research lab behind the AI coding tool Cursor, raised a sizable $900 million Series C round that values the company at nearly $10 billion. OpenAI, the AI behemoth, raised a record-breaking $40 billion funding round that valued the startup at $300 billion. This round was led by SoftBank and included participation from Thrive Capital, Microsoft, and Coatue, among others [1].

Other notable funding rounds include Snorkel AI's $100 million Series D round, which valued the company at $1.3 billion. LMArena, a popular community-driven benchmarking tool for AI models, raised a $100 million seed round that valued the startup at $600 million. TensorWave, an AI infrastructure company, announced a $100 million Series A round. SandboxAQ closed a $450 million Series E round that valued the AI model company at $5.7 billion. Runway, which creates AI models for media production, raised a $308 million Series D round that valued the company at $3 billion [1].

The year has seen multiple billion-dollar rounds and a higher number of megarounds compared to Q1 2024. This indicates a continued momentum in the AI industry, driven by investor confidence and the potential of AI technologies. As the year progresses, it will be interesting to see how these funding rounds impact the growth and innovation of these AI startups.

References:
[1] https://techcrunch.com/2025/06/18/here-are-the-24-us-ai-startups-that-have-raised-100m-or-more-in-2025/