Amodei wrote that coordinating on pace would need an antitrust waiver. Altman said OpenAI would not wait for one. Both lines are now in a lawsuit.

Four consumers filed a class action in the Northern District of California on 18 September, naming Anthropic, OpenAI, SpaceXAI and Google.  Buist v. Anthropic PBC alleges a horizontal agreement to slow the rate at which the four improve competing products, contrary to section 1 of the Sherman Act.

Source: [TNW](https://thenextweb.com/news/buist-v-anthropic-antitrust-waiver-evidence-public-agreement)