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Independent research indexAI agent buying systems

Compare AI agent platforms built for real business workflows.

Categories

Best AI Agent Tools in 2026Best AI Agents for Customer SupportBest AI Customer Service SoftwareBest Ecommerce AI AgentsBest AI Chatbot Platforms for BusinessesBest Omnichannel AI Support PlatformsBest AI Helpdesk Automation Tools

Comparisons

YourGPT AI vs Intercom FinYourGPT AI vs Zendesk AIChatbase vs YourGPT AIYourGPT AI vs GorgiasIntercom vs ZendeskTidio vs YourGPT AI

Reviews

YourGPT AI Review 2026Intercom Fin Review 2026Zendesk AI Review 2026Gorgias Review 2026Chatbase Review 2026Tidio Review 2026

Guides

ScorecardHow to Choose an AI Agent PlatformAI Agent vs ChatbotWhat Is an AI Agent Platform?AI AgentAI Agent PlatformHuman in the LoopRAG

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© 2026 Best AI Agent Tools. Research edition.

Home/Glossary

Glossary

AI Agent Glossary

Practical explainers for the terms buyers encounter when comparing AI agent platforms, workflow automation, knowledge grounding, and human oversight.

Diagram showing a retrieval augmented generation workflow from sources through parsing, indexing, retrieval, grounded answers, citations, and fallback when evidence is missing
Definition

Definitions

AI Agent

An AI agent is software that can interpret a request, use approved context or tools, and move a defined workflow forward under rules set by the business.

AI Agent Platform

An AI agent platform is software for building, deploying, governing, and improving AI agents across customer-facing or internal workflows.

Human in the Loop

Human in the loop means people can review, approve, correct, intervene, or take over an AI workflow before risk moves too far downstream.

RAG

RAG, or retrieval augmented generation, is a way for an AI system to retrieve relevant source material before generating an answer.