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ChatGPT Uninstallations Surge in US After Anthropic Declines Defense Department Collaboration
On February 28, 2026, the ChatGPT mobile app saw an unprecedented wave of user abandonment in the U.S. market. This followed news of a collaboration agreement between OpenAI and the U.S. Department of Defense. Data from Sensor Tower revealed a 295% spike in daily app uninstalls compared to the previous day, drastically exceeding the 30-day average of 9%. Concurrently, one-star reviews on the App Store soared by 775% that Saturday, while five-star ratings fell by 50%, highlighting strong public opposition to the military application of AI.
As OpenAI navigated this public relations crisis, its competitor Anthropic saw explosive growth with its Claude model. Anthropic publicly stated it had refused Department of Defense cooperation, citing ethical concerns over AI surveillance and autonomous weapon safety. This principled stance quickly yielded market gains: Claude's downloads surged 51% on February 28th, and by March 2nd, it claimed the top spot on the U.S. App Store's free app chart, leaping over twenty positions from the prior week.
Third-party analytics firm Appfigures confirmed that Claude's average daily downloads surpassed ChatGPT's for the first time, leading in six countries including Canada and Germany. According to Similarweb, Claude's U.S. downloads over the past week reached twenty times January's levels. While analysts note multiple factors likely drove this growth, the contrasting stances of OpenAI and Anthropic on defense cooperation have undeniably triggered a global reassessment among AI users regarding "tech ethics" and "developer principles."
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On February 28, 2026, the ChatGPT mobile app saw an unprecedented wave of user abandonment in the U.S. market. This followed news of a collaboration agreement between OpenAI and the U.S. Department of Defense. Data from Sensor Tower revealed a 295% spike in daily app uninstalls compared to the previous day, drastically exceeding the 30-day average of 9%. Concurrently, one-star reviews on the App Store soared by 775% that Saturday, while five-star ratings fell by 50%, highlighting strong public opposition to the military application of AI.
As OpenAI navigated this public relations crisis, its competitor Anthropic saw explosive growth with its Claude model. Anthropic publicly stated it had refused Department of Defense cooperation, citing ethical concerns over AI surveillance and autonomous weapon safety. This principled stance quickly yielded market gains: Claude's downloads surged 51% on February 28th, and by March 2nd, it claimed the top spot on the U.S. App Store's free app chart, leaping over twenty positions from the prior week.
Third-party analytics firm Appfigures confirmed that Claude's average daily downloads surpassed ChatGPT's for the first time, leading in six countries including Canada and Germany. According to Similarweb, Claude's U.S. downloads over the past week reached twenty times January's levels. While analysts note multiple factors likely drove this growth, the contrasting stances of OpenAI and Anthropic on defense cooperation have undeniably triggered a global reassessment among AI users regarding "tech ethics" and "developer principles."
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