Industry Newsllmopenaianthropicmarket share
OpenAI Signs Pentagon Contract, Claude Tops App Store
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8.1
OpenAI signed a U.S. Department of Defense contract after Anthropic declined required clauses, triggering user backlash and a 295% spike in ChatGPT uninstalls that propelled Anthropic’s Claude to the top of the U.S. App Store on March 1. Industry metrics show ChatGPT’s U.S. daily user share fell from 69.1% in Jan 2025 to 45.3% in Jan 2026 while Google’s Gemini and OpenAI’s MAU/subscriber figures grew, highlighting intensifying LLM competition.
Scoring Rationale
Verified user metrics and broad market impact drive the score, limited novelty and short-term controversy constrain long-term significance.
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