Jan 19 (Reuters) - OpenAI CEO Sam Altman, who has been working to raise billions of dollars from investors for a chip venture, aims to use the funds to set up a network of factories to manufacture semiconductors, Bloomberg News reported, citing people with knowledge of the plans.

OpenAI did not immediately respond to a Reuters request for comment. (Reporting by Jaspreet Singh in Bengaluru; Editing by Shailesh Kuber)