Four ways chatbots bill you.
Only one is predictable.
Message credits, per-seat licences, per-resolution fees and flat monthly pricing. Here is what each model actually charges for the same job — 5,000 answers a month — and how to compute your own real number before you sign anything. Back to the blog.
Chatbot vendors bill in four ways: message credits, per-seat licences, per-resolution fees, or a flat monthly price. At 5,000 answers a month, credits land around the mid-tier plans, per-resolution maths (one $29 seat plus 5,000 × $0.99) reaches roughly $4,979, and a flat plan like HyperChat stays at £49. Before choosing any vendor, estimate your monthly answers and multiply — the model matters more than the headline price.
Same chatbot, four
different invoices.
Every chatbot vendor sells the same promise — answered visitors. What differs is the unit they bill it in, and the unit decides whether your bill is boring or exciting.
Buy a bucket, burn it down
You buy a monthly bucket of messages or credits; every AI answer burns one or more. Chatbase-style plans work this way. It feels fair until a busy month eats the bucket early — then you upgrade a tier mid-month or the bot goes quiet.
Pay for the humans, then the AI
Intercom-style: a licence per human agent seat (from $29/seat on Essential), with the Fin AI agent billed separately at $0.99 per resolution. Sensible for a support team; odd if what you wanted was a bot on your website.
Pay only when it's solved
You pay a fixed fee each time the AI closes a conversation without a human. Attractive at a glance — "we only pay for results" — but the unit price scales one-for-one with your success, and the vendor defines what counts as resolved.
One price, known ceiling
One monthly price with a fixed allowance included. HyperChat Live is £49 per month per chatbot with 5,000 AI answers, your branding and UK support — the invoice is the same in a quiet month and a manic one.
5,000 answers a month,
four ways.
The scenario: your bot answers 5,000 visitor questions in a month. Illustrative figures, directionally right as of July 2026 — current vendor prices live in our UK chatbot pricing tracker.
TIER JUMPS ARE CLIFF EDGES, NOT RAMPS
BUILT FOR AI BESIDE A TEAM, NOT AS THE TEAM
SUCCESS TAXES ITSELF, LINEARLY
POUNDS · SAME INVOICE EVERY MONTH
To be fair to per-resolution vendors: their maths assumes AI deflects a slice of tickets while a paid team handles the rest. If your bot is the front line, resolution pricing punishes you for it working.
Compute your real number
before you pick a vendor.
The pricing page is the vendor's number. Three steps turn your traffic into yours:
Estimate monthly answers
Visitors × share who open chat × messages per chat. Your current email and phone enquiries are a solid floor for demand — if you field 400 questions a month by hand, a visible bot will handle more.
Multiply by each model
Credits: which tier covers it, and what does the next cliff cost? Seats: how many humans must be licensed? Resolutions: answers × unit fee. Add de-branding and add-ons — the quiet line items.
Stress-test at 2×
Double your estimate and re-run the bill. A good month — a mention in the press, a busy season — should not mean a surprise invoice. Flat pricing is the only model whose ceiling you know in advance.
Full UK vendor maths: chatbot pricing tracker · how much does a chatbot cost in the UK?
Pricing models, asked
plainly.
Which chatbot pricing model is cheapest for a small business?
What counts as a resolution in per-resolution pricing?
How do I estimate my monthly chatbot answers?
Why does per-resolution pricing get expensive at high volume?
Is a flat-price chatbot really unlimited?
Keep digging: UK pricing tracker · UK cost guide · HyperChat vs Intercom · more from the blog
One invoice you already know.
Build your bot free from your website in 60 seconds. Live is £49 a month with 5,000 answers included — no credits, no seats, no resolution fees. No card to start.
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