Only about 3% of American households currently pay for AI subscriptions, according to the most recent data from the Bank of America Institute, though that number is growing roughly 10% year-over-year. Most people rely on free versions of ChatGPT, Google Gemini, and other AI tools, even as companies like OpenAI explore new business models to fund increasingly expensive AI systems.

Why Are So Few People Paying for AI Right Now?

Free AI is simply good enough for most users. OpenAI allows free users to send its default model 10 messages every five hours before downgrading them to a weaker version. For casual users planning parties, tweaking recipes, or researching general questions, these limits rarely become frustrating.

The people who do pay tend to be power users who hit those limits regularly. Kirby Plessas, a self-described technophile, pays $40 monthly for both ChatGPT Plus and Google Gemini subscriptions. She uses AI to plan family events, refine cocktail recipes, and even diagnose appliance problems. "I wouldn't doubt that within a year I'll probably have a Claude subscription as well," she said.

Pam Dean, another subscriber, described the frustration of free-tier limits: "You would get a little notification that says 'Your time has run out.' You're stuck in the middle of something and then you couldn't continue." A $20 monthly ChatGPT Plus subscription removes those caps, allowing up to 1,280 messages per day, and unlocks advanced features like custom AI versions tailored to specific needs.

What Could Push More People to Pay?

The subscription model for AI may follow the same trajectory as streaming services. Sekoul Krastev, cofounder of the Decision Lab, a research firm focused on behavioral science, explained the pattern: "If you think back to Netflix and streaming services, at the beginning the growth was quite slow. Once that status quo is created, subscriptions will definitely start to go up sharply just the way we saw with streaming services".

OpenAI currently has about 50 million subscribers globally. Nick Turley, head of ChatGPT at OpenAI, believes the company could quadruple that number. However, he acknowledged that subscribers will always represent a minority of ChatGPT users. The company's stated mission is to keep AI accessible to everyone through free versions.

"We weren't even trying to make money," Turley said about the launch of ChatGPT subscriptions. "But it's been a really nice side effect that that also generates revenue and builds an amazing business."

Nick Turley, Head of ChatGPT at OpenAI

The real shift may come with the next generation of AI. Turley hinted that OpenAI's eventual successor to ChatGPT, likely an "agentic" AI system that can act independently to complete tasks, may not have a free version. These advanced AI agents could plan vacations, handle shopping, or function as personal assistants that improve your life while you're away from the screen. The computing power required to run such systems could be so expensive that they might need to stay behind a paywall.

How Companies Are Exploring Different Revenue Models

• Subscription Tiers: OpenAI's current model charges $20 monthly for ChatGPT Plus, which removes message limits and provides access to more advanced models and custom AI versions.
• Advertising: OpenAI has begun piloting ads for free users and some paid tiers, though this approach carries risks. Jeff Hancock, head of Stanford University's Tech and Impact Policy Center, warned that "people hate" ads, and the incentive structure could push AI companies to keep users on screen longer, similar to social media's mental health concerns.
• Usage-Based Pricing: OpenAI CEO Sam Altman floated the idea of selling AI services like electricity, billing customers based on actual usage rather than a flat monthly fee.
• Bundled Services: Consulting firm Kearney suggested that companies could bundle AI into existing subscriptions, similar to how cloud storage comes with phone plans.

The advertising model presents a particular challenge for AI's future. Unlike social media, where engagement drives ad revenue, a truly useful AI assistant would ideally work in the background, reducing screen time. "AI platforms have the potential to create a completely different economic model by the incentive being: Is this useful for you?" Hancock noted.

Some users are already concerned about how ads could influence AI responses. Sarah Womer, who rotates subscriptions across multiple AI platforms, switched to Kagi, an AI and search engine platform that emphasizes privacy and lacks ads, when researching products. OpenAI promised that ads would be clearly labeled and wouldn't influence ChatGPT's answers, but such assurances haven't fully eased user concerns.

What Do Real Users Actually Want?

Among the 51% of Americans who use AI to research topics they're curious about, most stick with free versions. Yet those who do subscribe often find creative uses for their paid access. Jim Arnold created "Francisco," a custom ChatGPT version that serves as his Spanish tutor, correcting his grammar and having conversations through his computer speakers. He fine-tuned Francisco to speak slowly and pause longer, giving him time to think of the right words. Arnold never tried the free version and initially wondered if paying was worthwhile, so he asked ChatGPT itself. "And of course, you know, ChatGPT's answer was that I should keep what I'm doing for sure," he said.

The revenue model for AI services remains unsettled. ChatGPT launched less than four years ago, and the industry is still experimenting with how to balance accessibility, profitability, and user experience. Whether the future of AI is free, subscription-based, ad-supported, or some hybrid model will likely depend on how quickly advanced AI systems become indispensable to daily life.