CoreWeave strengthens AI cloud stack with OpenPipe acquisition

CoreWeave has acquired OpenPipe, a Y Combinator-backed startup known for its open-source agent reinforcement trainer (ART) toolkit. The deal strengthens CoreWeave’s push into reinforcement learning, a key method for fine-tuning AI agents to enterprise-specific tasks. Following earlier acquisitions like Weights & Biases, this move positions CoreWeave to serve both major AI labs and smaller firms needing compute-heavy, tailored AI training at scale.