Guides
Choosing and running AI agents.
Straight answers to the questions people ask before they hand work to an AI agent: which ones are worth it, which are free, and how to keep them on budget.
01The best AI agents in 2026, comparedAn honest comparison of the best AI agents and AI agent platforms in 2026: Nexus, Zapier Agents, n8n, Lindy, CrewAI, Relevance AI, Claude Code, Devin, Copilot Studio and more.02The best free AI agents in 2026Which AI agents are actually free in 2026, what each free plan includes, and which popular tools dropped their free tier. Nexus, Zapier Agents, n8n, CrewAI, Genspark and more.03What is an AI workforce?An AI workforce is a team of AI agents that each own a role, take jobs in plain words and work under budgets, approvals and an audit trail. How it differs from a chatbot.04How to control AI agent costs before they happenAI agents can loop and burn through tokens in minutes. How to set per-agent budgets, cap runs before they start, pick cheaper models and read the audit trail.05Human approval for AI agents: where to put the gatesWhich AI agent actions should wait for a human yes, how approval gates work, and how to keep an audit trail without slowing every task down.06What is an AI company brain?An AI company brain is a private, searchable memory of how your business works that every AI agent reads from. What goes in it, where it lives and why agents need it.