In a recent LinkedIn post, Lenny Rachitsky discusses a significant and potentially fleeting opportunity for developers: building applications within the ChatGPT ecosystem. Rachitsky frames this moment as a paradigm shift comparable to the emergence of the App Store or early SEO, emphasizing the potential for early movers to establish dominant user habits.
According to Rachitsky, the scale of this opportunity is immense, with a potential reach of 800 million users. He highlights the unique discovery mechanism within ChatGPT, which differs from traditional app stores. As Rachitsky explains:
“How users discover ChatGPT apps (hint: they don’t—ChatGPT suggests apps based on intent)”
This suggests a departure from conventional user acquisition strategies. Instead of users actively searching for apps, the platform itself will play a more active role in recommending them based on user queries and inferred intent. This presents a new challenge and a new avenue for developers to consider in their product strategy.
The Technical Landscape and Development Paths
Rachitsky’s post delves into the underlying technology and the practical steps for developers to get started. He points out that the barrier to entry is relatively low, making it accessible for many to capitalize on this emerging trend.
Under the Hood of ChatGPT Apps
For those interested in the technical architecture, Rachitsky offers a glimpse into how these applications function. He mentions key components and processes, including tools, the Message Content Provider (MCP), and the message flow. Understanding these elements is crucial for developers aiming to build robust and effective ChatGPT applications.
Choosing Your Development Route
To facilitate rapid development, Rachitsky outlines two primary paths for creators to build their first ChatGPT app: Replit and Chippy.build. This guidance is designed to lower the initial hurdle and encourage experimentation.
“Two paths to build your first app: Replit or Chippy.build”
He further supports this by providing actionable resources. As Rachitsky notes:
“Prompts you can copy and paste + technical deep-dive”
This indicates that the original post includes practical, ready-to-use elements and more in-depth technical information, serving as a comprehensive guide for aspiring developers.
The Urgency of Early Adoption
The core message from Rachitsky is one of urgency and strategic foresight. He emphasizes that opportunities of this magnitude are rare and that those who act quickly can secure a significant advantage.
“800M users. Low barrier. The opportunity is open.”
Rachitsky argues that early adoption is key to locking in new user habits and establishing a presence in this nascent market. The combination of a vast potential user base and a low barrier to entry creates a compelling case for immediate action. The accompanying link in his post directs readers to a detailed guide, further underscoring his commitment to empowering developers to explore this new frontier.
📝 About This Content
This article is based on insights shared by Lenny Rachitsky on LinkedIn.
📅 Originally posted on January 20, 2026 | View original post on LinkedIn →