The best AI agent builder software in 2026

In 2025, AI agents have emerged as prominent tools, with major tech companies and startups introducing them to enhance automation and task management. These AI agents, distinguished from chatbots by their ability to think, plan, and act independently, are built using AI agent builders that leverage large language models (LLMs) such as GPT-5, Claude 3.5, and Gemini 2.5. Notable AI agent builders include Zapier Agents for automation, Botpress for complex tasks, Voiceflow for voice interactions, and Intercom for customer support. These tools are designed to enable users to create agents capable of executing tasks autonomously by integrating native and third-party tools, while maintaining ease of use through low-code and no-code platforms. The AI agent landscape is rapidly evolving, with companies frequently launching, merging, or shutting down, making it crucial for businesses to choose reliable and scalable solutions to meet their specific needs.