Regulatory
OpenAI: OpenAI announced a deal to replace Anthropic with ChatGPT in classified military environments, intensifying its rivalry with Anthropic. Its CEO, Sam Altman, later expressed regret for the rushed deal.
United States — United States Department of Defense: The United States — United States Department of Defense designated Anthropic as a supply chain risk, prohibiting its contractors from using Anthropic's products due to the company's restrictions on military use of its AI technology. This decision has drawn criticism from various officials and experts.
Feb 28, 2026 · 8 articles