Short answer
Yes, a small business can start with a genuinely free AI chatbot.
FastBots and Chatbase both offer $0 plans for trained website
answers, and Manychat has a free tier for Instagram and Messenger
automation. The honest framing: these are test drives. The
allowances are small on purpose, and the moment the bot starts
earning — capturing leads, deflecting repeat questions — the entry
paid tiers are close by. If you already know you will pay, skip to
the affordable chatbots guide;
for the full decision map, use the
small-business picks page.
The free options worth testing
FastBots Free
A trained website chatbot at $0 with a low message and crawl-page allowance.
Good for: Proving whether a bot trained on your pages answers real customer questions well.
Limits: The allowance is sized for testing, not production traffic on most sites.
Chatbase Free
A source-controlled AI agent at $0 with low message, member, and source limits.
Good for: Testing careful answers from a handful of pages or documents before paying.
Limits: Inactive agents may be removed, and limits arrive quickly on a live site.
Manychat Free
Social DM automation at $0, metered by monthly Active Contacts.
Good for: Testing comment-to-DM and Messenger automation where leads already message you.
Limits: Contact caps and feature gates push active social channels to paid tiers.
Tidio (Lyro AI intro)
Tidio's pricing meters billable conversations; the first 50 Lyro AI conversations are lifetime free.
Good for: A small taste of AI-handled support inside a live-chat workspace.
Limits: Not an ongoing free plan for AI answers; ongoing use lands on Starter and up.
Free-plan honesty table
Question Reality What to do
What free proves
Answer quality on your real pages, setup friction, widget fit, and whether customers actually use the bot.
Run it for two weeks on real questions before judging.
What free hides
Scale behavior: credit burn under traffic, handoff under load, team access, and removal policies for idle bots.
Read the plan table for the tier you would upgrade into, not the one you are on.
When free is enough
Very low traffic, a single owner-operator, and questions that map to a small set of pages.
Stay free until the bot misses questions you care about.
When to upgrade
The bot starts capturing leads or deflecting support you would otherwise pay for in time.
Entry paid tiers cluster around $14-$39/month annually; compare against one recovered lead.
Before any trial, set the bot up to fail honestly: train it only on
approved pages, give it a fallback answer, and route anything about
price, bookings, or promises to a person. The
free prompt builder
generates those rules, and the
implementation best-practices guide
covers the rest of the first project.