What is an AI chatbot?

An AI chatbot is a tool that follows pre-defined rules to interact with customers. It’s programmed to recognize keywords in customer messages and respond with scripted answers that guide users through a limited set of interactions.

These systems rely on basic natural language processing (NLP) to identify common phrases and match them to pre-built responses. As a result, they can’t personalize responses beyond what’s explicitly programmed.

AI chatbot use cases

AI chatbots are beneficial primarily for managing repetitive tasks that follow rule-based patterns. They can provide automated support for common inquiries, streamlining the customer experience.

Some typical use cases include:

• Customer FAQs: Answering common questions about things like store hours, return policies, or account settings
• Scheduling: Guiding users through booking an appointment or a reservation/li>
• Basic troubleshooting: Walking customers through step-by-step solutions for known issues
• Check order status: Accessing real-time updates from backend systems to share shipping details or delivery timelines

One recognizable example is Domino’s pizza-ordering chatbot, “Dom,” which allows customers to place an order and track it in real time. It’s a simple way to keep customers informed without contacting support.

What is an AI agent?

An AI agent is an autonomous program that analyzes conversations and makes context-based decisions. Unlike chatbots, which follow set rules, agents can independently assess a situation, determine the best course of action, and execute it.

AI agents are built on large language models (LLMs), which allow them to interpret nuance and adapt their behavior over time. They can also connect to external tools like customer relationship management (CRM) systems, giving them information they can use to further personalize responses or complete tasks on behalf of a user.

AI agent use cases 

Since AI agents can accomplish tasks independently, they are primarily used to help solve more complex customer problems.

Some specific use cases include:

• Advanced autonomous resolution: Solving multi-step issues like billing disputes or rebooking a flight without human intervention
• Provide 24/7 support: Helping customers get consistent help no matter the time zone
• Route tickets: Assessing conversations and routing requests to the right team or priority level

For example, U.K.-based stationery company Papier turned to Zendesk AI to support its expansion into the U.S. Now, the AI agent handles a large volume of requests after hours, helping reduce ticket backlogs and improving response times across the board.

Differences between an AI agent and an AI chatbot

While both AI agents and AI chatbots are integral to modern customer service, they differ significantly in how they understand and respond to customer needs. Let’s take a closer look at some of the key differences. 

Customer service interactions 

Because AI chatbots follow a script, interactions tend to feel more transactional. Customers are guided through a set path with limited flexibility, often having to rephrase or restart if their question doesn’t match the expected flow.

Meanwhile, interactions with AI agents feel more conversational and personalized. In some cases, agents can even detect potential problems before a customer reaches out, enabling proactive support rather than just reactive responses. This leads to a more natural, satisfying experience for customers.

Quality assurance 

Both AI agents and AI chatbots play a role in quality assurance (QA) by collecting data that sheds light on agent performance and customer satisfaction.

However, AI agents take QA further by analyzing conversations in real time and picking up on subtleties like sentiment shifts and tone. They can also generate detailed insights and alert supervisors immediately, enabling quicker intervention and coaching.

AI chatbots, on the other hand, mainly assist with collecting structured feedback, such as satisfaction surveys or simple sentiment checks. This narrower view focuses on customer reactions rather than conversation dynamics.

Task complexity 

AI chatbots are limited to handling simple tasks with fixed rules and predictable outcomes. Because they follow pre-defined paths, they struggle with anything that requires flexibility or judgment.

In contrast, AI agents are equipped to manage higher levels of complexity. They can handle multi-step workflows, respond to changing context mid-interaction, and make decisions based on real-time inputs. This makes them better equipped for resolving nuanced customer issues that chatbots can’t address with a single scripted response.

Scope of knowledge 

Chatbots rely on pre-defined knowledge sources, so their scope of knowledge is limited to the content they were trained to reference, like help center articles or scripted responses. If a question falls outside those boundaries, they typically can’t provide a useful response.

AI agents have a much broader scope of knowledge because they can access external systems and tools and use LLMs to synthesize relevant information on the fly. This is especially valuable in industries like retail, where AI can access inventory systems or order histories to provide more relevant and accurate responses.

Learning and adaptability 

Chatbots are largely static, meaning they don’t adapt or improve independently. Any updates require manual retraining or rule updates by a human team. For instance, if a chatbot keeps receiving questions about a new product that is not in its training data, it won’t be able to respond until someone manually adds that information.

AI agents, by comparison, are built to learn from experience. They can retain context from past conversations and adjust behavior based on new information. Even more impressively, they can learn from outcomes, gradually improving how they respond based on what has worked well in past interactions.

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