Why Anthropic and OpenAI are locking up their latest models

Allowing only a privileged few companies to use them may make commercial sense

Epowerful marketing tool. Just ask Anthropic. When on April 7th the artificial-intelligence lab announced that the preview version of its latest model, called "Mythos", would be available only to an exclusive group of companies, the envy quickly spread. Only one bank, JPMorgan Chase, made the initial list of invitees. The board of an Asian peer called in its chief executive a few days later to explain how it, too, could swiftly gain access to "Project Glasswing", as Anthropic's new club is called.