GenAI Chatbots Market Surges 152% YoY: Google Gemini Gains Traction, ChatGPT Slips

The landscape of GenAI chatbot apps has seen a significant surge in the past year, with the market growing by 152% year-over-year (YoY) since January 2025. This rapid expansion is marked by shifting market shares among major players, with Google's Gemini and Anthropic's Claude making notable gains while ChatGPT's dominance wanes.

Market Share Dynamics

• Google Gemini: Initially holding a 14.7% market share in January 2025, Gemini has more than doubled its presence to 25.2% by January 2026. This growth can be attributed to its robust feature set and integration with other Google services.
• ChatGPT: Despite being the early leader, ChatGPT's market share has dropped from 69.1% to 45.3%. The decline is understandable given the influx of new, competitive entrants in the market.
• Grok: Grok, a newer player, has seen its daily active user (DAU) market share peak at 15.2%, up from 12% in December 2025. This indicates strong initial adoption and user engagement.

User Behavior and Adoption

The market is beginning to stabilize, which is a positive sign for the industry's long-term health. While the technology itself is advancing rapidly, widespread adoption remains limited. According to Apptopia, most people have yet to use a GenAI chatbot app, highlighting the potential for further growth.

Interestingly, about 20% of AI users are now using at least two apps. This trend suggests that users are not only experimenting with different tools but also integrating them into their daily workflows. Each app is finding its niche based on specific strengths and use cases.

“ChatGPT built the category, but as viable alternatives have scaled, users are naturally diversifying their toolkit,” said Tom Grant, VP of Research at Apptopia. “The multi-app usage figure is the number I’d watch here. It tells me that people aren’t just experimenting anymore; they’re building workflows around specific products for specific use cases. The market could end up looking like streaming where a few major players own the market but multiple players can carve out niches based on product differentiation rather than pure network effects.”

User Engagement Metrics

• Claude: Leading in Average Time Spent per DAU (34.7 minutes), even with a slight decrease from December. This consistent performance underscores its user engagement and utility.
• ChatGPT and CoPilot: Both saw minor declines in average time spent, but remain strong contenders.
• Perplexity: Experiencing significant growth, Perplexity’s average time per DAU rose 34.3% from November to December and another 30.6% in January.
• Microsoft CoPilot (Consumer Version): Notably, it has an average time of 27.2 minutes per DAU, placing it second on the list. This highlights its strong user engagement despite being a newer entrant.

Conclusion

The GenAI chatbot market is evolving rapidly, with new players gaining traction and established leaders adapting to the competition. As users continue to explore and integrate these tools into their lives, the market is likely to see further diversification and specialization. For developers and businesses, this presents both challenges and opportunities to innovate and capture user attention.