CoreWeave acquires OpenPipe
CoreWeave (NASDAQ: CRWV) announced a definitive agreement to acquire fine-tuning/RL platform OpenPipe (terms undisclosed), citing its open-source ART (Agent Reinforcement Trainer) toolkit. OpenPipe's per-token training and inference rate card was unchanged post-acquisition.
CoreWeave announced on 2025-09-03 it would acquire OpenPipe, the small-specialized-model fine-tuning and hosted-inference platform behind the open-source ART (Agent Reinforcement Trainer) toolkit (~9k GitHub stars). Terms undisclosed. The post-acquisition docs rate card (training $0.48–$2.90/1M by model size; inference per-token + hourly compute units) matched the pre-acquisition card — no repricing observed. The larger pricing story predates the deal: an ~6× training price cut in early 2025 (8B $3.00→$0.48/1M).
CoreWeave (NASDAQ: CRWV) announced a definitive agreement to acquire OpenPipe on September 3, 2025 (terms undisclosed), citing OpenPipe's open-source ART reinforcement-learning toolkit and agent-training tech. The October 2025 post-acquisition docs snapshot showed the same rate card (training $0.48–$2.90; inference unchanged), so list pricing and self-serve availability were not visibly disrupted. Sources: CoreWeave press release and TechCrunch, 2025-09-03; Wayback snapshot 2025-10-08 of docs.openpipe.ai/pricing/pricing.