Artificial intelligenceReading guide · 5 min
AI agents explained: more than a chatbot?
The short answerAn AI agent is a system that can choose steps and use tools to pursue a task, rather than only produce an answer. The important questions are what it can access, which actions it can take and how someone checks the result. A chat window alone does not tell you whether a product is an agent.
What is an AI agent in plain English?
Think of the difference between receiving directions and having someone attempt the journey. A text-only assistant can describe how to complete a task. An agent connected to suitable tools can attempt steps, inspect what happened and choose what to do next. Permission and reliability still matter: an answer saying ‘done’ is not evidence that a task was completed.
There is no single usage of the word ‘agent’ across the industry. Anthropic's engineering guide draws a useful distinction: workflows follow predefined paths, while agents let the model direct the process and tool choices. We use that distinction here, not the product name on a landing page. Source: Anthropic: Building effective agents
AI agent vs chatbot vs automation: one concrete example
Imagine a small team asking for a summary of public robotics announcements. These are illustrative designs, not claims about a particular product.
A text-only chatbot summarises the announcements you paste into the conversation. You supply the material and take the next step. A fixed automation fetches specified feeds each morning, summarises their entries and saves the result using a predetermined sequence.
An agent could start with a question, search for relevant announcements, notice that a date is missing, open another source and revise the summary. It might then save a draft if that action is allowed. The useful difference is how the next step is selected, not whether the interface looks like chat.
A single product can combine these approaches. It might use a fixed approval step around a more flexible research process. Calling the entire product either ‘just a chatbot’ or ‘fully autonomous’ can hide the details that matter.
How do AI agents work?
A common pattern is a loop: receive a goal, choose an action, observe the result, then decide whether to continue or stop. The ReAct research explored combining reasoning with actions and observations in language-model tasks. It is background for understanding that loop, not proof that any current agent will complete your work reliably.
In our news-summary example, the observation could be that a page is a repost rather than the original announcement. The next action might be to locate the primary source. If the search returns nothing useful, a well-designed system needs a way to report uncertainty instead of inventing the missing fact. Source: ReAct: Synergizing Reasoning and Acting in Language Models
What can an AI agent actually do for you?
Start with an outcome, not a wish for ‘more autonomy’. A useful trial might ask an agent to collect five public sources about a topic and produce a comparison with links. Another might ask it to propose a change in a disposable code project, then show the checks it ran. These examples require different tools and different ways to judge success.
Before trying either, write down what a good result looks like. For research: original sources, accurate dates, clear disagreements and no unsupported claims. For a code proposal: a reviewable change and evidence from relevant tests. A convincing explanation is not a substitute for either.
Our suggested starting point is work you can inspect before it affects anyone else. A draft is easier to review than a sent message. A proposed change is easier to reject than an irreversible action. Keep the first experiment low-stakes and the allowed actions narrow.
Does autonomous mean it should act without asking?
No. Choosing how to research a task and having permission to send, buy, delete or publish are separate things. Ask what the product can read, what it can change and which actions require approval. Look for a clear activity record and a way to stop a run.
For the hypothetical briefing agent, a sensible boundary is ‘read public pages and save a draft; do not email it’. You can expand that boundary after inspecting results, rather than making the first test an experiment on your inbox or customers.
Also ask how the system handles instructions found inside a webpage or document. Material it reads for a task should not automatically acquire authority to change that task. This is a question to put to the provider, not a guarantee that every agent already handles it correctly.
When is a simple automation better than an agent?
When the steps are known and the same input should follow the same path, flexibility may add little value. Anthropic recommends starting with the simplest solution that works and notes that agentic systems can add cost, latency and opportunities for errors to compound.
Our rule of thumb: automate a stable process; investigate an agent when the route genuinely depends on what it discovers. Compare the result with the simpler option. Count the review and correction time too. A task is not cheaper just because the first draft appeared without you watching. Source: Anthropic: Building effective agents
How to follow AI agent news without getting lost
For each announcement, ask what changed: the model, the tools it can use, its permissions, its ability to recover from errors or the evidence for successful tasks. ‘Agentic’ on its own answers none of those questions.
You do not need to rebuild your workflow for every launch. Keep one task you care about as a reference point, and investigate updates that could materially improve it. Read The Day covers new AI capabilities alongside the limits and original sources, so a headline can become a decision rather than another open tab.
Before you trust an agent with a task
- Define a result you can check.
- Check what it can read and change.
- Separate drafting from sending or publishing.
- Inspect failures as well as successful demos.
- Compare the total effort with a simpler workflow.
Go to the evidence
Sources and further reading
- Anthropic: Building effective agents
Primary engineering guidance for distinguishing agents and workflows. Used for concepts, not its changing tool recommendations.
- ReAct: Synergizing Reasoning and Acting in Language Models
Research background on combining reasoning, actions and observations.
An AI-assisted editorial explainer. The briefing-team example and trial checklist are our illustrations and recommendations, not a hands-on product review. Sources checked 13 September 2026. Our editorial standards.