A Google DeepMind researcher and OpenAI’s former ​​CTO are posing questions about the validity of OpenAI’s claim about its gold-medal score.

Alphabet's Google and OpenAI said their artificial-intelligence models won gold medals at a global mathematics competition, signaling a breakthrough in math capabilities in the race to build powerful systems that can rival human intelligence.

Artificial intelligence models developed by Google’s DeepMind team and OpenAI have a new accolade they can add to their list of achievements: they have defeated some high schoolers in math. Both companies have claimed to achieve a gold medal at this year’s International Mathematical Olympiad (IMO),