Gen Z is using ChatGPT fundamentally differently than older generations, treating it as a personal operating system for life decisions rather than a search tool. According to OpenAI CEO Sam Altman, speaking at Sequoia Capital's AI Ascent event, younger users have developed sophisticated workflows with the AI chatbot, memorizing complex prompts and connecting it to their personal files to get advice on everything from relationships to career moves.

How Are Different Age Groups Using ChatGPT Differently?

Altman outlined a clear generational pattern in how people interact with ChatGPT. Older users primarily rely on it as a replacement for Google search, looking up factual information quickly. Millennials and people in their 20s and 30s have adopted it as a personal life advisor, consulting it on decisions ranging from relationship advice to business strategy. But college-aged users have taken adoption to another level entirely.

"I mean, that stuff, I think, is all cool and impressive," Altman said, referring to how younger users set up ChatGPT with complex configurations. "And there's this other thing where, like, they don't really make life decisions without asking ChatGPT what they should do." This shift reflects a fundamental change in how AI is being integrated into daily life, particularly among digital natives who grew up with AI as an ambient technology.

The technical capability enabling this behavior is ChatGPT's memory feature, which allows the AI to retain context from previous conversations. According to Altman, this means ChatGPT "has the full context on every person in their life and what they've talked about," creating a persistent advisory relationship rather than isolated question-and-answer sessions.

What Statistics Show About Gen Z's ChatGPT Adoption?

The data backing this trend is striking. In 2025, OpenAI published a report showing that more than one-third of Americans aged 18 to 24 use ChatGPT, making college-aged young adults the most enthusiastic adopters of the technology across any demographic group. This isn't a niche behavior; it represents a significant portion of an entire generation integrating AI into their decision-making processes.

Real-world use cases span a surprisingly broad range of life domains:

• Relationship Advice: Users consult ChatGPT on dating, communication with partners, and conflict resolution strategies.
• Career and Financial Decisions: Gen Z is using ChatGPT to practice salary negotiations and prepare for tough workplace conversations before they happen.
• Medical and Health Questions: Users seek health information and guidance, though this remains a contested use case among medical professionals.
• Mental Health Support: Some users are replacing traditional talk therapy with ChatGPT conversations, treating the AI as a substitute for professional counseling.

Altman drew a parallel to how younger people adopted smartphones, noting that "every kid was able to use it super well" while "older people just like, took, like, three years to figure out how to do basic stuff." This suggests the generational divide in ChatGPT usage reflects broader patterns in technology adoption, where younger cohorts develop sophisticated use cases faster than older generations.

What Are Experts Saying About Safety and Reliability?

The rise of Gen Z using ChatGPT for major life decisions has raised concerns among experts in relevant fields. A November 2023 study highlighted "the need for caution when using ChatGPT for safety-related information and expert verification, as well as the need for ethical considerations and safeguards to ensure users understand the limitations and receive appropriate advice".

Other research has been more critical. Some studies have concluded that large language models like ChatGPT are "inherently sociopathic," making it difficult to trust their advice on sensitive matters. These concerns are particularly acute when users rely on the AI for medical, legal, or therapeutic guidance without professional oversight.

However, the picture is not uniformly negative. Other studies and experiments show that using ChatGPT for common advice can be harmless and even helpful in some cases, suggesting the risk depends heavily on the type of decision and the user's ability to critically evaluate the AI's responses.

What Does This Shift Mean for AI's Future?

Sequoia Capital, which first invested in OpenAI in 2021 when the company was valued at $14 billion, has watched the AI landscape transform dramatically. OpenAI is now valued at $852 billion following one of the largest private funding rounds ever, reflecting investor confidence in AI's expanding role in daily life. Sequoia's portfolio also includes other major tech companies like Nvidia, Reddit, Instacart, YouTube, Apple, Dropbox, Airbnb, and DoorDash, positioning the firm at the center of AI infrastructure and adoption trends.

The generational divide Altman described suggests that AI's integration into society will accelerate as Gen Z ages into positions of greater influence and decision-making power. Unlike older generations who may view AI as a tool for specific tasks, younger users are building AI into their identity and decision-making processes from the ground up. This could reshape everything from how businesses market products to how institutions design services, as they increasingly cater to users who expect AI integration as a baseline feature.

OpenAI has not publicly addressed whether it believes ChatGPT is safe or reliable for major life decisions, leaving the question of responsibility somewhat open. As adoption continues to grow, particularly among younger users who treat the technology as a trusted advisor, the question of AI safety and accountability will likely become increasingly urgent for regulators, technologists, and society at large.