Sources: before his ouster, Sam Altman was trying to raise money in the Middle East for a venture, codenamed Tigris, to produce TPUs and compete with Nvidia (Bloomberg)

Bloomberg:
Sources: before his ouster, Sam Altman was trying to raise money in the Middle East for a venture, codenamed Tigris, to produce TPUs and compete with Nvidia  —  - Altman was fundraising in the Middle East for new chip venture  — The project, code-named Tigris, is intended to rival Nvidia