OpenAI, Anthropic CEOs call to slow AI development surprises staff: FT

Logo via Wikimedia Commons; license to verify on approval Staff at leading AI companies OpenAI and Anthropic reportedly expressed surprise following their CEOs’ public advocacy for slowing AI development. According to the Financial Times, executives Sam Altman of OpenAI and Dario Amodei of Anthropic made calls to decelerate the pace of AI model capability advancements, which were unexpected by their respective teams. These calls come at a time when both companies are significant players in the competitive landscape of AI innovation, with Anthropic currently leading some industry benchmarks and OpenAI maintaining a strong presence in the market. Key Takeaways Market reactions suggest that the surprise calls by OpenAI and Anthropic CEOs to slow AI development could impact future valuation expectations. The current pricing on Anthropic’s valuation hitting $600 billion by December 31 shows a low probability, consistent with concerns over growth following the development slowdown announcement. Anthropic’s market position appears strong in AI model performance, with high confidence in its standing by the end of October 2026. What to Watch Markets will be keenly observing any further stat...