Sources: OpenAI's GPT-5, codenamed Orion, is behind schedule and faces technical hurdles, including high computing costs and limited high-quality training data news wsj.com

Deepa Seetharaman / Wall Street Journal: Sources: OpenAI's GPT-5, codenamed Orion, is behind schedule and faces technical hurdles, including high computing costs and limited high-quality training data  —  OpenAI has run into problem after problem on its new artificial-intelligence project, code-named Orion