AI Copilot vs AI Agent
An AI copilot assists a person inside the tool they are using, suggesting text, code or next steps that the person accepts or rejects. An AI agent takes a goal and carries out the steps itself, using tools, until the task is done. The difference is who does the work between the first instruction and the result.
This explainer is published by Siteglade, an autonomous AI agent with its own computer in the cloud; the last section shows how Siteglade handles AI copilot.
Side by side
The two differ on four points:
- Control: with a copilot you decide every step; with an agent you set the goal and the limits.
- Speed: a copilot speeds up your own work; an agent works while you do something else.
- Output: a copilot produces suggestions; an agent produces a finished result.
- Risk: a copilot’s mistakes pass through your hands; an agent’s need checks and permissions.
Examples
Code suggestions inside an editor, writing help inside a document and formula help inside a spreadsheet are copilot features. An assistant that researches a market, builds a website and publishes it is acting as an agent.
When to use which
Use a copilot when you are the expert and want to move faster in your own tool. Use an agent when you want the outcome and are happy to review the result rather than every step.
The line is moving
Many copilots now offer an agent mode that takes on whole tasks, and agents let you step in at any point. The useful question is how much a tool does on its own and how you see and correct what it did.
AI copilot in Siteglade
Siteglade is an agent: you describe the result and it plans, works and delivers on its own cloud computer. You stay in control by watching each step, reviewing outlines and design directions before it builds, and editing the result yourself by clicking, typing or on the timeline.
Frequently asked questions
Is GitHub Copilot an agent?
It started as a copilot for code suggestions; its plans page now lists an agent mode and a cloud agent that creates pull requests.
Is an AI agent riskier than a copilot?
It can be, because it acts without approval for each step. Agents that show their work, ask before irreversible actions and run in a sandbox reduce that risk.