CoreWeave stock rose after announcing new AI tools for developers

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Michael Intrator, co-founder and CEO of CoreWeave, participates in an interview on the floor of the New York Stock Exchange in New York on September 22, 2025.

Michael Nagel | Bloomberg | Getty Images

CoreWeave Shares rose as much as 8% on Wednesday artificial intelligence The cloud provider announced new tools to help programmers develop artificial intelligence agents.

With the new serverless reinforcement learning service, you don’t have to worry about adding or removing computing power, because it happens automatically.

Tests indicate that when developers use the new CoreWeave service, they can train models faster and at 40% lower costs than running Nvidia H100 GPUs locally, “without impacting model quality,” CNN reported. statement.

Reinforcement learning is a decades-old approach that involves developing systems through trial and error to improve outcomes over time.

The launch comes five months after CoreWeave paid $1 billion to acquire Weights and Biases, a startup targeting developers with software to train and evaluate AI models. The deal is an effort to complement CoreWeave’s existing leasing business Nvidia GPUs for businesses that need the infrastructure to run models.

Companies are rushing to secure GPUs to implement AI projects. In the cloud, CoreWeave competes with leading providers such as Amazon Web services, although some companies may want to keep GPUs in their data centers.

Demand has intensified.

Two weeks ago, CoreWeave OpenAI said Agreed to expand The cloud company said it was a multi-year deal worth up to $6.5 billion, last week dead committed to Spending $14.2 billion.

In July, it announced plans to buy a data center infrastructure provider Basic scientifica longtime partner, for $9 billion. Some of Core Scientific’s shareholders are seeking… A more favorable deal They recommend voting on it in its current state. A review of the takeover bid does not appear likely.

“In fact, under no circumstances will we reconsider the offer we made,” said Mike Intrator, co-founder and CEO of CoreWeave. Bloomberg Tuesday.

CoreWeave, based in New Jersey It became public On Nasdaq in March.

He watches: CoreWeave is a pure play for AI at scale while accelerating revenue growth, says Evercore ISI’s Daryanani

CoreWeave is a pure play for AI at scale, says Evercore ISI's Daryanani



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