New Delhi, Oct. 19 -- ​While OpenAI's ChatGPT retained the first-mover's advantage in the AI market for a while, it soon had ample competition in the field not only from American rivals like Google's Gemini and xAI's Grok but also from Chinese ones like Qwen and DeepSeek. However, the latest data shows that ChatGPT continues to be the most popular chatbot on the market, although its popularity has been steadily declining over the last year.

​As per the latest SimilarWeb data, there has been a 13-percentage-point drop in the ChatGPT market share over the last 12 months, which suggests that the competition is finally starting to chip away at OpenAI's overwhelming lead.

​Meanwhile, Google Gemini, which had a viral moment ...