New Delhi, Nov. 10 -- Tesla CEO Elon Musk has responded sharply to Sam Altman's recent remarks about productivity tools, saying that the ChatGPT-maker will "compete directly" with the Satya Nadella-led Microsoft.

Sam Altman said, "There is something new to build that is gonna replace a lot of the current sort of office productivity suite." He specifically named Google Docs, Slides, email and Slack, which he suggested may become irrelevant with new technology.

Elon Musk, a long-time critic of Microsoft's close relationship with OpenAI, replied on X, "As I was saying, OpenAI will compete directly with Microsoft."

In another post on X, a user shared Sam Altman's video along with Elon Musk's response, and resurfaced an old tweet from the T...