ChatGPT Loses Market Momentum To Gemini

OpenAI’s ChatGPT remains the most-used chatbot but its mobile app monthly users have plateaued since summer 2025, according to Sensor Tower, the Washington Post reported December 5, 2025. Industry benchmarks show Google’s Gemini is gaining ground on capability comparisons, signaling intensifying competition that could influence enterprise AI buying and market dynamics.
Key Points
- 1Reports show ChatGPT monthly mobile users plateaued since summer 2025, per Sensor Tower
- 2Benchmarks indicate Google’s Gemini outperforms OpenAI on several industry capability comparisons
- 3Signals intensifying competition that could shift enterprise AI adoption and vendor selection strategies
Scoring Rationale
Reflects notable market shift and competitive pressure, limited by reliance on market-research benchmarks and lack of raw user metrics.
Sources
Public references used for this report.
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