cost to develop app like ChatGPT

The cost to develop a chatbot like ChatGPT depends heavily on whether you’re building a basic GPT-powered MVP, an advanced enterprise chatbot, or a custom LLM platform from scratch. According to USM Systems, a full-featured ChatGPT-like app typically costs between $90,000 and $450,000, with enterprise-grade solutions potentially exceeding $500,000+ depending on GPT model choice, UI complexity, infrastructure, and AI training scope.