Amazon confirmed Anthropic’s Claude AI models will remain available to commercial customers on its AWS cloud platform. This announcement follows similar moves by Microsoft and Google earlier this week.

Major cloud providers are presenting a united front after the Pentagon designated the AI startup as a supply chain risk. The decision is significant for Amazon, which remains Anthropic’s largest investor with a $4 billion stake.

Maintaining access to Claude signals Amazon’s commitment to the partnership during escalating competition for AI infrastructure. The move draws a clear distinction between the company’s commercial offerings and government defense contracts.