---
title: "What happened to OpenPipe? Acquisition announced on 03 SEP 2025"
canonical_url: https://cookiesforai.app/ai-changelog/tools/openpipe
markdown: https://cookiesforai.app/ai-changelog/tools/openpipe.md
publisher: "CookiesForAI"
last_updated: 2026-10-18T15:24:06+02:00
type: status
summary: "OpenPipe: Acquisition announced on 03 SEP 2025. CoreWeave announced a definitive agreement to acquire OpenPipe, a platform for training AI agents with reinforcement learning."
---

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# What happened to OpenPipe?

**Acquisition announced on 03 SEP 2025.** CoreWeave announced a definitive agreement to acquire OpenPipe, a platform for training AI agents with reinforcement learning. Source: [CoreWeave news](https://coreweave.com/news/coreweave-to-acquire-openpipe-leader-in-reinforcement-learning).

## What this means

On 03 SEP 2025, OpenPipe entered a definitive agreement to be acquired by CoreWeave, adding reinforcement learning and fine-tuning tools to CoreWeave's AI cloud. OpenPipe also maintained Agent Reinforcement Trainer, its open-source library for training agents with reinforcement learning.

- Made by: OpenPipe
- Website: https://openpipe.ai
- Status: Acquisition announced on 03 SEP 2025
- Checked: 16 OCT 2026

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