On March 1, 2026, local time, Anthropic's AI chatbot application Claude surpassed OpenAI's ChatGPT on the Apple US App Store's free app rankings, officially taking the top spot. SensorTower data shows that Claude's market performance had fluctuated upward since early February when it dropped out of the top 100, remained around the top 20 in February, and then experienced explosive growth starting from Wednesday this week, rising from sixth place to the top in just four days. Anthropic confirmed that the number of daily active registered users broke historical records consecutively this Sunday, with its free user base growing by more than 60% since January, and paid subscription users doubling.

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This ranking surge is closely related to Anthropic's recent involvement in government regulatory controversies. It is reported that during negotiations with the U.S. Department of Defense, Anthropic insisted on setting up security measures to prevent its models from being used for large-scale domestic surveillance or fully autonomous weapon systems. This stance led President Trump to order federal agencies to stop using all Anthropic products, and subsequently, Defense Secretary Pete Hegseth added it to the supply chain threat list. Meanwhile, competitor OpenAI announced a partnership agreement with the Pentagon that included technical safeguards.

Despite policy-level blockades, market feedback has shown a significant reverse driving effect. Public attention to Anthropic's technological independence and safety standards has instead become a driver for customer acquisition in the consumer market. This incident not only reflects the trade-offs between government cooperation and corporate values among top large model manufacturers but also demonstrates how geopolitical factors have become an atypical variable influencing the AI application market landscape.