Chatbase, an AI platform that helps companies build chat-based agents for customer support, sales, and lead generation, has achieved significant growth in just 1.5 years, reaching over 500K monthly visitors and $4M ARR. The company attributes its success to its tech stack, which includes Vercel's AI SDK, Next.js, and other tools that enable rapid iteration, customization, and deployment of AI-driven features. By leveraging these technologies, Chatbase can focus on innovation and stay ahead in the competitive market.