Contrary to assumptions about user stickiness, consumers of AI models will quickly switch to a better-performing or cheaper alternative. The 22% drop in ChatGPT usage after new Gemini models were released demonstrates that brand loyalty is low when model performance is the key value proposition.
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When OpenAI deprecated GPT-4.0, users revolted not over performance but over losing a model with a preferred "personality." The backlash forced its reinstatement, revealing that emotional attachment and character are critical, previously underestimated factors for AI product adoption and retention, separate from state-of-the-art capabilities.
OpenAI found that significant upgrades to model intelligence, particularly for complex reasoning, did not improve user engagement. Users overwhelmingly prefer faster, simpler answers over more accurate but time-consuming responses, a disconnect that benefited competitors like Google.
The assumption that enterprise API spending on AI models creates a strong moat is flawed. In reality, businesses can and will easily switch between providers like OpenAI, Google, and Anthropic. This makes the market a commodity battleground where cost and on-par performance, not loyalty, will determine the winners.
Unlike social networks where user-generated content creates strong lock-in, AI chatbots have a fragile hold on users. A user switching from ChatGPT to Gemini experienced no loss from features like personalization or memory. Since the "content" is AI-generated, a competitor with a superior model can immediately offer a better product, suggesting a duopoly is more likely than a monopoly.
While ChatGPT is still the leader with 600-700 million monthly active users, Google's Gemini has quickly scaled to 400 million. This rapid adoption signals that the AI landscape is not a monopoly and that user preference is diversifying quickly between major platforms.
While individual AI companies see slightly lower retention than SaaS, Stripe's data reveals customers often churn from one provider directly to a competitor, and sometimes switch back. This indicates the problem being solved is highly valued, and the churn reflects a rapidly evolving, competitive market, not a lack of product-market fit for the category itself.
Today's LLM memory functions are superficial, recalling basic facts like a user's car model but failing to develop a unique personality. This makes switching between models like ChatGPT and Gemini easy, as there is no deep, personalized connection that creates lock-in. True retention will come from personality, not just facts.
The LLM assistance space is trending towards "winner-take-most" not just due to quality, but because of user inertia. The vast majority of ChatGPT users are not multi-homing or even exploring alternatives like Gemini, indicating a strong default behavior has been established.
Despite ChatGPT building features like Memory and Custom Instructions to create lock-in, users are switching to competitors like Gemini and not missing them. This suggests the consumer AI market is more fragile and less of a winner-take-all monopoly than previously believed, as switching costs are currently very low.
Gemini is converting daily ChatGPT users not just with model capabilities, but with superior UX like better response sizing and perceived speed. Crucially, the trust in the Google brand for search is transferring to its AI, making users more confident in its reliability, even with less complex reasoning.