Key takeaways
- "AI chatbot" covers four different kinds of product. Decide first whether you need a support agent with a human inbox, a guided builder, a bot that answers from your docs, or a platform for developers.
- A chatbot that can't hand over to a person is a dead end. Check the handoff, the inbox behind it and out-of-hours behaviour before anything else.
- Test with 30 to 50 real questions from your inbox, not the vendor's demo, and score every answer.
- Pricing models differ more than prices. Messages, credits, conversations and resolutions all scale differently, so model your own volume.
- Tidio is our top pick for most small and mid-size business websites, because Lyro, live chat, a ticket inbox and no-code Flows come in one product you can set up without a developer.
Put "AI chatbot" into a search engine and you get hundreds of products that look the same: a chat bubble, a promise to "answer 80% of questions", a free plan. Behind them are very different tools. Some are full customer service platforms with an AI agent inside. Some are bots that answer from your documents and nothing else. Some are form builders with AI added. Some are developer platforms you build on yourself.
Choosing the wrong kind is the most common mistake we see. A plumber who needs bookings ends up with a developer toolkit. A software company with 400 help articles buys a bot that can't hand over to a person. This guide explains the kinds of AI chatbot, what to check, and which tools we would pick for different businesses.
The four kinds of AI chatbot
| Kind | What it is | Good for | Watch out for |
|---|---|---|---|
| Support AI agent | An AI agent inside a live chat and help desk tool | Businesses that want AI answers plus people for the rest | Pricing for AI conversations on top of the plan |
| Docs bot | A bot trained on your website and files, embedded on your site | Quick experiments, simple FAQ sites | Handoff and inbox are often missing or extra |
| Conversation builder | Visual flows (like a chatty form) with AI answers mixed in | Lead qualification, quotes, bookings, WhatsApp | Free-form questions can fall outside the flows |
| Developer platform | Build your own agent with code, APIs and custom logic | Teams with developers and unusual requirements | Time to build and maintain |
Most small and mid-size businesses need the first kind. The other three make sense for specific jobs.
How we chose
We picked tools for business websites in general, from service companies and local businesses to software firms and shops. Each was judged on:
- Answer quality from a typical help center and website, on real customer questions.
- Handoff to people, including what happens out of hours.
- Setup time for someone who isn't a developer.
- Channels beyond the website: Messenger, Instagram, WhatsApp, email.
- Pricing behaviour as volume grows, not just the starting price.
- Control: guardrails, tone, and the ability to see which content an answer came from.
What to look for
Answers from your content, with sources
The bot should answer from your website, help center and files, and say when it doesn't know. Ask to see which article an answer came from. If the vendor can't show you, you can't fix bad answers.
A real handoff and an inbox behind it
When the AI can't help, the visitor should reach a person in one step, and that person should see the whole conversation. Ask where those conversations go. A bot that emails you a transcript is not a support setup.
Structured flows for structured jobs
Booking a call, qualifying a lead or collecting a quote request should follow fixed steps. Look for a visual flow builder next to the AI, so you aren't relying on a language model for things that must be exact.
Channels your customers use
If your customers message you on Instagram or WhatsApp, the same AI and inbox should cover those channels. Running two bots with two sets of answers doubles the work.
Pricing you can predict
Vendors count usage differently: messages, credits, chats, conversations or resolved outcomes. Work out what each one means at your volume, then for your busiest month.
Before you compare prices, compare what is being counted. "1,000 credits" and "1,000 conversations" can be very different amounts of help.
The best AI chatbots for business websites
We judged each tool on answer quality from your own content, how it hands over to people, setup time for a non-technical team, channel coverage and how the pricing behaves as volume grows.
Tidio is a full customer service tool with an AI agent built in, not a bot bolted onto your site. Lyro learns from your website, help center and Q&A pairs, answers in 45+ languages and passes the conversation to your team in the same inbox when it's unsure. Flows handle the structured jobs (lead capture, bookings, out-of-hours messages) with a visual editor, and the same setup works on Messenger, Instagram, WhatsApp and email. A non-technical team can have it live in an afternoon.
Why we like it
- AI agent, live chat, tickets and no-code Flows in one product
- Clean handoff to people, with the whole conversation in view
- Works on your website plus Messenger, Instagram, WhatsApp and email
- Free plan with 50 Lyro conversations to test on real visitors
Watch out for
- Lyro is billed by AI conversation volume on top of the plan, so busy sites should model the cost
- Less suited to deep developer customisation than Botpress
Intercom's Fin is among the strongest AI agents on long, technical documentation, and it can also run on top of Zendesk or Salesforce if you don't want to switch help desks. It is priced per seat plus a fee per resolved outcome, which is fair when it works but expensive for small teams.
Why we like it
- Very good answers on complex product documentation
- Fin works with other help desks
- Detailed reporting on AI performance and content gaps
Watch out for
- Seats plus per-outcome AI pricing add up quickly
- No free plan, only a trial
Chatbase turns your website pages, files and help articles into a chatbot in minutes, and connects it to Slack, WhatsApp, Messenger and help desks such as Zendesk. It is a good way to test AI answers fast, but the human handoff sits on higher plans, so on its own it is a bot rather than a support setup.
Why we like it
- Very fast to set up from existing content
- Many integrations, including help desks you may already use
Watch out for
- Billed in message credits, which are easy to underestimate
- Escalation to people needs a higher plan or a separate help desk
Botpress is a platform for building custom AI agents with your own logic, integrations and code. It suits teams with a developer who wants to design exactly how the bot behaves. Since May 2026, plans are priced by conversations with AI usage bundled in.
Why we like it
- Very flexible, with APIs, SDKs and custom integrations
- Free plan for building and testing
Watch out for
- Needs technical skills to get the most out of it
- Human handoff needs a paid plan
Landbot builds step-by-step conversations that work like friendly forms, for lead qualification, quotes and onboarding, with AI answers mixed in. It is strong on WhatsApp, and every paid plan includes human takeover in a shared inbox.
Why we like it
- Excellent visual builder for structured flows
- Human takeover on all paid plans; strong WhatsApp option
Watch out for
- AI chats are counted separately from regular chats
- Less of a full support tool than Tidio or Intercom
Which one should you choose?
- Small or mid-size business that wants AI plus real support: Tidio. One tool covers the AI agent, live chat, tickets and social channels.
- Established business with thousands of AI conversations a month and no time to tune the bot: Tidio's Premium plan, where Tidio's team runs Lyro for you and guarantees a 50% resolution rate.
- Software company with a large, technical help center: compare Intercom and Tidio on your own questions; Fin is especially strong on detailed documentation.
- You want to try AI answers this afternoon: Chatbase, then move to a support tool once you need an inbox and handoff.
- You have a developer and specific requirements: Botpress.
- Lead qualification, quotes or WhatsApp-first flows: Landbot. Voiceflow is a similar option for teams that design complex conversation flows.
How to test before you commit
- Collect 30 to 50 real questions from your inbox, including awkward ones: complaints, pricing exceptions, questions in other languages.
- Give each shortlisted tool the same content: your website URL, help center and the same handful of Q&A pairs.
- Score every answer as correct, partly correct, wrong, or correctly handed over. A confident wrong answer is the worst result.
- Test the handoff on desktop and mobile, during business hours and outside them.
- Go live on part of your traffic for a week, for example on the pricing and contact pages, and read every transcript.
Common mistakes
- Buying the demo. Every tool answers the vendor's sample questions well.
- No route to a person. Visitors who get stuck leave, and often don't come back.
- Training on stale content. Old prices and policies on your site become confident wrong answers.
- Ignoring the cost model. Credits and per-outcome fees can double the bill in a busy month.
- Too many bots. One AI agent across all channels is easier to keep accurate than three separate ones.
For more detail on evaluating AI agents, read how to choose an AI agent for customer service, and for getting your content ready, how to write help content your AI agent can use. If you're comparing tools, see the full list of alternatives to Intercom.
Frequently asked questions
What is the best AI chatbot for a small business website?
For most small businesses, a support tool with an AI agent built in works better than a stand-alone bot, because you also get live chat and an inbox for the conversations the AI can't finish. Tidio is our first choice for that. If you only want to try AI answers on your docs for a few days, Chatbase is a quick experiment.
Can I add an AI chatbot to my website for free?
Yes, several tools have free plans, including Tidio, Chatbase, Botpress and Landbot. Free plans limit AI conversations or credits, team members and features such as handoff, so use them to test with real visitors rather than to run your support long term.
How do I train an AI chatbot on my website?
Most tools let you add your website URL, help center and files, then crawl them automatically. Add short question-and-answer pairs for the things you answer from memory, test with real questions, and fix the content where the answers are weak.
Will an AI chatbot make things up?
It can. Good tools reduce this by answering only from your content and admitting when they don't know. Always test before going live, show a clear route to a person, and read transcripts for the first few weeks.