CoreWeave, a cloud computing provider specializing in AI infrastructure, is in discussions to acquire Weight & Biase, an AI startup that helps developers build machine learning applications. The deal is expected to value around $1.7 billion, citing two sources that spoke to executives on weight and bias.
The report surfaced the same day when CoreWeave applied for an IPO and marked its first major technology offering in 2025. The company also revealed that more than half of its $1.9 billion revenue comes from a single customer.
“CoreWeave, which provides cloud servers for large companies developing artificial intelligence, is giving talks to help developers acquire Weight & Biase, a startup that can help developers build AI applications for around $1.7 billion,” the information reports.
Nvidia-backed CoreWeave was valued at $23 billion after a $650 million share sale in November 2024. Potential acquisitions could be a strategic move to reduce reliance on Microsoft, which accounted for 62% of last year’s revenue and expanded its software services footprint.
Weights & Biase has built a reputation for tools that help AI developers track and manage machine learning experiments. These products could complement CoreWeave’s cloud services, which are heavily tuned to GPU handling.
Startup paid plans start at $50 a month for professionals and attract data scientists in the industry, such as medicine and medical imaging. The client list, which has over 900,000 users, includes Openai, Siemens and Salesforce, according to the website.
Yesterday we reported on CoreWeave, founders Mike Intrator Brian Venturo and Blanin McBee (who became a tech entrepreneur and offloaded at least $150 million in stock before CoreWeave’s IPO. Early payments of this kind are less typical than IPOs and could raise eyebrows.

Weights & Biases Team
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