OpenAI has agreed to acquire Neptune, a startup that provides tools that help companies track their AI model training, the ChatGPT maker said on Wednesday.

While OpenAI did not disclose the financial terms of the deal, The Information reported that OpenAI is paying less than $400 million in stock, citing people with knowledge of the deal.

OpenAI did not immediately respond to a Reuters request for confirmation on the deal value.

The Sam Altman-led firm is already a Neptune customer, using Neptune's tracker to monitor and debug training of its GPT large language models. Some of Neptune's other clients include Samsung, Roche and HP.

Initially an internal tool at Deepsense, Neptune was spun off as an independent startup in 2018. The company has secured more than $18 million in funding, ac

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