After a decade of tracking the top companies in cloud computing, one thing is certain: Artificial intelligence has taken over. Generative AI’s fingerprints are all over this year’s Cloud 100 list, from model-training frontier labs to companies in health, law, customer service and more — all trying to remake themselves in the image of AI.

It’s no surprise, then, that the top two spots on the list — produced each year in partnership with Bessemer Venture Partners and Salesforce Ventures — go to OpenAI and Anthropic, two of the industry juggernauts. In fact, without ChatGPT and Claude, the chatbots the two frontier labs make, respectively, many of the AI features offered by the other listmakers wouldn’t be possible. The most notable entry this year is Anysphere (No.8), creator of the wildly popular generative coding tool Cursor, which stormed onto the list with a top spot, a rare blockbuster debut.

This year’s edition of the Cloud 100 also features another smattering of fintech companies. Among them is Ramp, the corporate credit card company, which zoomed to the No. 6 spot from No. 37 last year. There are notable absences as well: Last year’s No. 7 Scale AI. In June, the data labeling giant rocked the industry when it announced Meta was buying 49% of the company for $14 billion and nabbing its founder CEO Alexandr Wang to lead its revamped AI efforts. The rest of the startup still remains operational, but it’s unclear how strong its business can remain without its high-profile leader and growing wariness from clients.

At the tail end of the list are a crop of newcomers using AI to supercharge traditional verticals, including legal startup Harvey (No.91), customer service startup Sierra (No. 92), and Clay, maker of go-to-market tools (No. 99).

See the full list, as well as our full package of coverage, including company spotlights and our Rising Stars list of cloud’s ascending upstarts, for more on cloud’s present and future.

Deputy Editor: Elisabeth Brier Reporters: Nikita Apte, Amanda Florian and Victoria Feng

Forbes Cloud 100 2025 List - Largest Cloud Computing Companies Ranked