AI chatbots are getting better and better, but why is ChatGPT almost irreplaceable?

In recent years, a series of new AI chatbots have appeared with the promise of superior speed, intelligence and convenience. From Google's Gemini, Microsoft's Copilot, X (Twitter)'s Grok to Claude, Perplexity AI... all aim to take market share from ChatGPT.

Despite the competitive pressure, however, OpenAI’s ChatGPT has maintained overwhelming recognition and usage. According to a survey by UserTesting, more than 80% of office workers have ChatGPT accounts and use them regularly, while the ratio of competitors is very modest.

Leading technology and continuous upgrading

In August 2025, OpenAI officially launched GPT-5 , a new version that is considered a leap forward in the ability to reason, multitask, and maintain long conversation context.

GPT-5 is also deeply integrated with email, calendar, and work applications, turning ChatGPT into an "all-round assistant" rather than just a question-answering tool.

According to TechRadar's review, GPT-5 "brings ChatGPT closer to the image of an on-demand PhD-level expert," while many competitors still focus on speed or summarization but lack depth of reasoning.

Superior user interface and experience

Not only is ChatGPT powerful in algorithms, it is also popular for its simple, friendly interface, easy to access even for beginners. The soft, emotional response style makes the conversation more natural than chatbots that are "scripted" or too dry.

This creates the feeling of “communicating with a real person” – an important psychological factor that keeps users coming back day after day.

GPT Store ecosystem - lever to expand power

Launched in 2024, GPT Store allows anyone to create and share personalized AI chatbots, without any programming knowledge. This is an environment that nurtures thousands of "mini GPTs" serving specialized needs, from education , finance to entertainment. The rapid expansion of GPT Store makes ChatGPT a diverse and irreplaceable platform, because it not only serves users directly, but also serves as a "marketplace" for millions of AI ideas to be tested and spread.

User habits - "invisible weapons"

An important but often overlooked factor is usage . Like Google Search or Facebook, ChatGPT has become ingrained in users’ daily behavior. When a tool becomes second nature, they have less incentive to try and switch to a new product unless there is a compelling reason.

Personalization - ChatGPT gets to know you better the more you use it

With Memories and Custom Instructions , ChatGPT can remember the user's preferences, response style, and information they want to save. This makes each chat session more coherent and tailored to their needs, without the need to "re-introduce from scratch". This attachment creates a feeling of "this AI is mine" - an advantage that many competitors have not fully exploited.

User retention loop

Amid the constant emergence of AI competitors, ChatGPT remains the “gold standard” by creating a closed loop of engagement with its users. The combination of technological power, usage habits, and personalization capabilities helps the tool increasingly understand individual needs.

Users experience and receive accurate, natural answers, thereby being satisfied and coming back for more. With each interaction, AI captures more deeply their preferences and communication styles, making the next result more relevant.

This loop reinforces habit and loyalty, making switching to another platform unlikely, despite the pace of development and fierce competition in the AI chatbot market.