OpenAI agrees to acquire AI tooling startup Neptune to strengthen model training infrastructure

OpenAI has agreed to acquire Neptune, a startup that provides tools to track AI model training experiments, in a stock-based deal aimed at improving its internal tooling and enterprise offerings. Reuters reports that terms were not disclosed, though The Information said OpenAI is paying less than $400 million in stock, underscoring how leading AI labs are racing to consolidate critical infrastructure around their frontier models.