OpenAI and Anthropic, the two most richly valued artificial intelligence startups, have agreed to let the U.S. AI Safety Institute test their new models before releasing them to the public, following increased concerns in the industry about safety and ethics in AI.The institute, housed within the Department of Commerce at the National Institute of Standards and Technology (NIST), said in a press release that it will get "access to major new models from each company prior to and following their public releas ...