OpenAI· GPT / ChatGPT / APIPartnership

OpenAI to acquire Neptune

OpenAI announces acquisition of Neptune to improve model behavior visibility and researcher tools.

From the source

OpenAI is acquiring Neptune to deepen visibility into model behavior and strengthen the tools researchers use to track experiments and monitor training.

openai.com

Announced

03 Dec 2025 10:00 UTC

Detected

03 Aug 2026 21:11 UTC (+243d after)