Our verdict: start with ChatGPT Work (formerly Operator) for web chores, script Claude Computer Use for desktop workflows, hand coding tickets to Devin, and use Manus for one-prompt research, slides and web apps. Each one now starts at $20 a month.
Every AI vendor in 2026 has an "agent" that promises to click, type and ship work while you sleep. Four of them actually do real work on a computer: OpenAI's agent in ChatGPT Work, Claude Computer Use, Devin and Manus.
These are work agents that drive a browser, a desktop or a codebase. For always-on assistants that run your inbox and errands, see our best personal AI agents guide. For robots that move through the physical world, see the robotics company leaderboard.
What $20 a month buys
The 4 agents at a glance
- Runs in OpenAI's cloud browser
- Desktop app can operate your computer
- Stops for approval before key steps
The catch: vague tasks and CAPTCHAs still stop it.
- Screenshots, clicks, types, runs shell commands
- Works across any app on your machine
- Claude in Chrome on Pro ($20/mo)
The catch: you build and sandbox the loop yourself.
- Ticket in, tested pull request out
- Tests in its own browser and virtual machines
- Max $200, Teams $80 plus $40 a seat
The catch: your review time is the real cost.
- Research, slides and web apps from one prompt
- Free plan: 300 credits a day
- Automations start work on their own
The catch: closed source, and credits burn fast.
Prices and where they run
Prices checked October 15, 2026, on each company's own pricing page.
| Agent | Price | Best for | Where it runs |
|---|---|---|---|
| ChatGPT Work (formerly Operator) | Limited on Free and Go; expanded on Plus ($20/mo); Pro from $100/mo | Web chores and cross-app tasks, with approval before key steps | OpenAI's cloud browser, plus your computer through the desktop app |
| Claude Computer Use | API: Sonnet 5.5 at $2/M input, $10/M output tokens; Claude in Chrome on Pro ($20/mo) and up | Desktop and cross-app workflows you script yourself | Your own machine or sandbox, under your rules |
| Devin | Free tier; Pro $20/mo; Max $200/mo; Teams $80/mo plus $40 per dev seat | Well-scoped coding tickets, run unattended | Cognition's cloud (Devin Cloud), plus desktop app and CLI |
| Manus | Free (300 credits a day); Pro from $20/mo with 4,000 credits | Research, slides and simple web apps from one prompt | Manus's cloud (closed source) |
What each one can do
| Feature | ChatGPT Work | Claude Computer Use | Devin | Manus |
|---|---|---|---|---|
| Controls a browser | ✓ | ✓ | ✓ | ✓ |
| Controls a desktop | ✓ | ✓ | Its own VMs | ✓ |
| Writes code | ✓ | ✓ | ✓ | ✓ |
| Runs in the background | Scheduled | If you script it | ✓ | ✓ |
| Free option | Limited | ✗ | ✓ | ✓ |
Based on each company's own product pages. Claude's free plan doesn't include Claude in Chrome, and Computer Use on the API is pay per token.
ChatGPT Work: the safest place to start
Operator isn't a separate product anymore. OpenAI folded it into ChatGPT, and in July 2026 it grew into ChatGPT Work. Give it a task like "book the cheapest nonstop PHX to SFO after 3pm Friday" and it opens a cloud browser, picks the seat and stops at checkout for your OK.
It's best at web chores with a clear endpoint: booking, form-filling, pulling a number from a dashboard. Vague goals fail, and so do CAPTCHAs. The desktop app can now operate your computer too, so where you draw the line is up to you.
Claude Computer Use: more power, more responsibility
Computer Use is a tool on the Claude API, now generally available for the Claude 5.5 models. Claude takes screenshots, clicks, types and runs shell commands, so one session can move between Slack, VS Code, Excel and your browser.
That reach is also the risk, since the agent touches your real environment. Most teams run it through the Anthropic SDK in a hard sandbox with allow-lists. If you only need web pages, Claude in Chrome on Pro is the easier route.
Devin: real autonomous coding
Hand Cognition's Devin a Linear ticket, Slack message or GitHub issue and it reads the codebase, plans, writes code and opens a pull request. It spins up its own Windows, Mac and Linux virtual machines to test in its browser and records itself clicking through the result.
Devin used to cost $500 a month; Pro is now $20. It shines on well-scoped backend tickets, dependency upgrades and refactors with good tests. It struggles with design-heavy frontend work and anything needing product judgment.
Manus: the do-everything cloud agent
An earlier version of this guide called Manus open source. It isn't. You give it a goal and it works in its own cloud computer, then hands back research, slides or a simple web app. Manus 2.0 adds Automations and, in an authorized session, computer use on your own machine.
Pricing runs on credits, and you can't know a task's cost until it runs. Your data also goes to Manus's cloud, so skip it for sensitive work and script Claude Computer Use in your own sandbox instead.
What about the rest?
AutoGPT and BabyAGI are mostly history. Lindy, Relay and CrewAI chain agents into workflows with approval gates, a different category. Replit Agent is the pick if you build inside Replit. Claude Code and Cursor keep you in the loop, and for most solo developers that's still the right call.
Which one should you use?
The verdict
ChatGPT Work is the safest first agent in 2026: it comes with Plus at $20 a month and asks before key steps. Move to Claude Computer Use for scripted desktop work, Devin for coding tickets and Manus for one-prompt projects that don't touch sensitive data.
FAQ
What is the best AI agent in 2026?
For browser tasks, OpenAI's agent, which now lives in ChatGPT Work. For desktop and cross-app workflows you script yourself, Claude Computer Use. For autonomous coding, Devin. For one cloud agent that makes research, slides and web apps, Manus. There's no single best agent. Pick by task, not by brand.
Is Devin worth it in 2026?
It's much easier to justify now. Devin Pro costs $20 a month (it used to be $500), Max is $200 and Teams is $80 a month plus $40 per dev seat. For engineering managers offloading well-scoped tickets, it pays off quickly. For solo devs who review every line anyway, Claude Code or Cursor with you in the loop does most of the job.
Operator vs Claude Computer Use: which should I start with?
Operator, which is now part of ChatGPT Work. It runs in OpenAI's cloud browser by default, comes with ChatGPT Plus, and asks before key steps. Move to Claude Computer Use when you need scripted desktop access in your own sandbox.
Are AI agents reliable enough for production work in 2026?
For narrow tasks with clear success criteria, yes. For open-ended work, no. They still drift, retry forever, or finish the wrong task. Agents are great for tasks you can describe in a paragraph and terrible for ones that need a meeting to explain.
What's the cheapest way to try AI agents?
ChatGPT Plus at $20 a month includes ChatGPT Work, and Free and Go get a limited version on desktop. Claude Pro at $20 a month includes Claude in Chrome, and Computer Use on the API is billed per token. Devin and Manus both have free tiers and $20 paid plans. Try them before any bigger commitment.