- Amazon will invest up to $4 billion in OpenAI rival AnthropicThe Verge
- Amazon to invest up to $4 billion in Anthropic, a rival to ChatGPT developer OpenAICNBC
- Amazon to Invest Up to $4 Billion in Anthropic as AI Arms Race Escalates – WSJThe Wall Street Journal
- Amazon to invest up to $4bn in AI start-up AnthropicFinancial Times
- Amazon Bulks Up in A.I. by Investing Up to $4 Billion in Start-Up AnthropicThe New York Times