The 15 Best AI Agents in 2026

What is an AI agent?

A normal AI chatbot answers. An AI agent does: it can open websites, click buttons, fill in forms, organise files and write code, step by step, until the job is done. 2026 is the year agents went mainstream: they are now built into ChatGPT, Claude, Gemini and Copilot.

How an AI agent works

The best AI agents right now

• Claude (Cowork, Claude in Chrome, Claude Code) (Anthropic) – Works with files and apps on your computer, uses websites in Chrome for you, and writes and runs code. Asks before risky steps. Paid plans.
• ChatGPT agent & Atlas (OpenAI) – Uses its own virtual browser to research, compare, fill in forms and build spreadsheets or slides. Atlas is OpenAI’s AI browser (Mac). Plus and up.
• Gemini agent & Chrome auto browse (Google) – Does multi-step tasks in Chrome and Google apps. Availability depends on country and plan.
• Microsoft Copilot (Edge & Microsoft 365) (Microsoft) – Copilot Mode in Edge can act on web pages; in Microsoft 365, agents help with email, documents and meetings.
• Perplexity Comet (Perplexity) – A free AI browser for Windows, Mac, iPhone and Android that can research, compare and act across your tabs.
• Opera Neon (Opera) – An agentic AI browser from Opera, the browser company founded in Norway. It can research, fill in forms and build things for you inside the browser.
• Dia (The Browser Company (Atlassian)) – An AI browser that lets you chat with all your open tabs at once. Great for research and writing.
• Manus (Manus) – An autonomous agent that works in the cloud on research and building tasks while you do something else. Free daily credits.
• Genspark Super Agent (Genspark) – An all-in-one agent that turns one prompt into slides, documents, spreadsheets, websites or research reports.
• Lindy (Lindy) – Build your own AI assistants for email, meeting notes, scheduling and sales follow-ups, without code.
• Zapier Agents (Zapier) – Let AI agents work across 7,000+ apps: move orders into spreadsheets, turn emails into tasks, answer leads.
• n8n (n8n) – Open-source workflow automation with AI agents. You can run it on your own server for full control of your data.
• Make (Make) – Visual automation platform where you drag and drop workflows, now with built-in AI agents.
• Relevance AI (Relevance AI) – Build a “team” of AI agents for sales, research and customer support.
• Devin (Cognition) – An autonomous AI software engineer that picks up coding tasks and opens pull requests on its own.

⚠️ Stay safe with agents: websites can contain hidden instructions that try to trick agents (so-called prompt injection). Don’t let an agent handle your bank, passwords or health data, and always check before it buys, sends or deletes anything.