2025 marked a significant year for venture capital, particularly in the artificial intelligence sector. According to data from Crunchbase, a total of 15 companies secured funding rounds exceeding $2 billion, collectively raising over $100 billion. The majority of these investments were concentrated in generative AI firms, which have emerged as frontrunners in tech innovation.
Top Funding Rounds of 2025
The largest single investment went to OpenAI, which announced on March 31, 2025, a staggering $40 billion financing led by SoftBank. This deal represents the largest venture capital investment in history. As part of the agreement, SoftBank will establish a syndicate of co-investors to contribute $10 billion, while the remaining $30 billion will be funded primarily through debt.
Following OpenAI, Scale AI raised $14.3 billion from Meta in June, achieving a valuation of $29 billion. The funding will help Scale AI enhance its offerings in training data and model evaluation for AI applications. Additionally, Scale’s founder, Alexandr Wang, and some employees will join Meta’s AI initiatives as part of the deal.
Another notable round came from Anthropic, which secured $13 billion in a Series F funding round in September. This investment, led by Iconiq Capital, valued the San Francisco-based company at an impressive $183 billion.
In November, Project Prometheus, a startup focused on applying AI technology to physical tasks, launched with an initial funding of $6.2 billion. Notably, Jeff Bezos is reportedly set to serve as co-CEO of the venture alongside physicist and chemist Vik Bajaj.
The summer of 2025 also saw xAI, founded by Elon Musk, pull in $5.3 billion in fresh equity funding. Since its inception just two and a half years ago, xAI has amassed over $22 billion in equity and debt financing.
Additional Significant Investments
The funding landscape continued to thrive with Databricks, which announced over $4 billion in a Series L financing in December. This round, led by Insight Partners, Fidelity, and J.P. Morgan Asset Management, placed the company’s valuation at $134 billion. Databricks experienced significant growth, achieving a revenue run-rate of $4.8 billion in its third quarter, reflecting a year-over-year increase of more than 55%.
In March, Anthropic raised an additional $3.5 billion, valuing the firm at $61.5 billion, while Anduril Industries, a defense tech startup based in Costa Mesa, California, secured $2.5 billion in June, doubling its valuation to $30.5 billion.
The coding automation platform Anysphere raised $2.3 billion in November, backed by prominent investors including Accel and Nvidia, achieving a post-money valuation of $29.3 billion.
Several other companies also made significant strides in funding, with Polymarket, Reflection AI, Safe Superintelligence, Thinking Machines Lab, Binance, and Mistral AI each securing rounds of $2 billion or more.
As the tech landscape continues to evolve, these substantial funding rounds highlight the growing confidence investors have in AI and related technologies. The trend indicates a robust future for innovation in these sectors, promising advancements that could reshape various industries.
