OpenAI investor scrutiny

OpenAI’s reported $852 billion valuation is drawing questions from some of its own investors as the company leans harder into selling workplace AI. (reuters.com) Reuters reported on April 14 that the doubts surfaced as OpenAI shifts focus toward enterprise customers and tries to blunt competition from Anthropic. OpenAI told Reuters its recent fundraise was oversubscribed and reflected investor conviction in its strategy and momentum. (reuters.com) That reported $852 billion figure is far above the $300 billion post-money valuation OpenAI disclosed when it announced a $40 billion funding round on March 31, 2025. In that announcement, OpenAI said the cash would fund research, computing infrastructure, and products for the 500 million people using ChatGPT each week. (openai.com) The company’s sales push now has a clear face. OpenAI said on December 9, 2025 that it hired former Slack chief executive Denise Dresser as chief revenue officer to run global revenue strategy across enterprise and customer success. (openai.com) In an April 8 note on OpenAI’s website, Dresser said enterprise already makes up more than 40% of company revenue and is on track to reach parity with consumer revenue by the end of 2026. She said customers want one AI system tied into company data, tools, and permissions instead of isolated assistants. (openai.com) That is the product bet behind OpenAI Frontier, which the company describes as a platform for “AI coworkers” that connect to internal systems, run tasks across workflows, and operate with built-in security controls and audit trails. OpenAI says the platform is aimed at jobs like financial forecasting, software engineering, customer support, procurement, and other core business processes. (openai.com) A leaked internal memo reported by CNBC and The Verge showed how aggressively OpenAI is framing that shift. Dresser wrote that Microsoft had been “foundational” but had also limited OpenAI’s reach with enterprises, and she pointed to demand for OpenAI’s Amazon Web Services offering. (cnbc.com) (theverge.com) The same memo, as described by The Verge, cast the market as unusually crowded and centered agents in OpenAI’s plan to hold customers. That matters to investors because enterprise software contracts tend to be stickier than consumer subscriptions, but they also depend on long sales cycles and proof that the tools can handle real work inside big companies. (theverge.com) (openai.com) OpenAI is arguing that it can be both a model maker and the layer companies build work on top of. Investors now appear to be asking whether that platform story can support a valuation that has moved far faster than the last public funding benchmark. (reuters.com) (openai.com)