OpenAI‘s new revenue chief just fired shots at both its biggest partner and its biggest rival in the same memo. Denise Dresser told staff Sunday that the Microsoft Corp partnership has “limited our ability to meet enterprises where they are,” while calling demand through Amazon.com Inc‘s Bedrock platform “frankly staggering” since the two companies announced their deal in late February, according to a memo viewed by CNBC. OpenAI Takes Aim At Anthropic’s Numbers Dresser claimed Anthropic’s report