AI Chatbot Pricing Comparison (2026): What 14 Customer Service Platforms Really Cost

Two AI support quotes for the same 3,000 chats a month can differ by more than $2,000. Usually neither vendor is hiding anything. One bills when the bot resolves a ticket, another when a conversation starts, and a third per agent seat whether the AI helps or not.

This guide puts 14 platforms on the same units, shows the math at three volumes, and flags where a bill can jump without warning.

Quick answer: how much does an AI customer service chatbot cost in 2026?

Published AI rates in 2026 run from about $0.20 to $2.00 per AI-handled conversation, on top of any helpdesk seats you already pay for. At 70% resolution, that works out to roughly:

• Small store, ~300 AI conversations a month: $80 to $350 a month.
• Growing brand, ~1,000 a month: $300 to $1,400 a month.
• Mid-market, ~3,000 a month: $1,000 to $4,200 a month.
• Enterprise, quote-only vendors (Ada, Forethought, Decagon, Sierra): usually $30,000 to $75,000 a year to start.

The headline rate matters less than two other numbers: what you pay per conversation the AI actually closes, and how the bill behaves when volume spikes in November.

AI chatbot pricing comparison table (2026)

HubSpot has the lowest published per-resolution rate at $0.50, Zendesk pay-as-you-go the highest at $2.00, and three of the 14 vendors publish no prices at all. All figures are in USD, checked in September 2026.

Decagon and Sierra also sell outcome-based AI agents to large support teams. Neither publishes prices, so they're not in the table.

The five AI support pricing models, and who each one favours

The pricing model decides who carries the risk. Per-resolution pricing puts it on the vendor. Per-conversation pricing and bundles put it on you, and seat pricing ignores the AI altogether.

Most vendors now blend two of these. HubSpot moved its Customer Agent from $1.00 per conversation to $0.50 per resolution in April 2026, which shows where buyer pressure is pushing.

Per-resolution vs per-conversation vs per-seat: which is cheapest at your volume?

At 1,000 AI conversations a month, the same workload costs $295 on Crisp and $1,380 on Siena, before any helpdesk seats. The table shows the monthly AI bill at three volumes.

Assumptions: 70% of AI conversations resolved, annual billing where offered, the cheapest plan that fits, list prices, helpdesk seats excluded.

Your resolution rate changes the winner

Per-resolution bills grow as your AI gets better. Flat and per-conversation bills stay the same, so their cost per resolved conversation falls. Divide the monthly AI bill by the conversations the AI actually closed to get the number worth comparing.

All four rows assume 1,000 AI conversations a month. If you're launching AI support for the first time and expect a low resolution rate, per-resolution pricing protects you. Once your AI resolves most of what it touches, flat and per-conversation plans close the gap, and some, like Freddy here, pull ahead.

Which AI support tools have predictable overage pricing?

The most predictable vendors publish a fixed rate beyond the plan, bill on a unit you can forecast, and don't charge for spam. Most publish a clear rate for volume beyond the plan. Crisp doesn't, and the quote-only vendors set it in your contract.

Three habits keep the bill predictable:

1. Model your peak months, not your average. For most ecommerce brands that means November and December.
2. Ask for a monthly cap or a usage alert in writing before you sign.
3. Check what doesn't count: spam, bot traffic, instant handoffs and conversations a human takes over straight away.

12-month total cost of ownership: the formula and a worked example

Over 12 months at 3,000 AI conversations a month, with a busy November and December, the AI line alone ranges from about $14,700 to $58,800. Seats, setup and your team's time come on top.

Use this formula for any vendor:

Two things this table can't show. First, how much of the workload each AI can actually resolve, which is the number that sets your human staffing. Second, whether the AI earns money back through product recommendations, which is where tools built for ecommerce differ most.

Hidden costs to budget for

The surprises in AI support bills rarely come from the unit price. They come from seat minimums, units counted twice, and the hours your team spends keeping the AI accurate.

One cost never shows on an invoice: a confident wrong answer about a refund or a delivery date. Ask every vendor how its AI handles questions it can't answer, and how fast it hands off to a person.

Vendor-by-vendor pricing breakdown (2026)

Each entry opens with what you'll actually pay, then the one detail most likely to change your bill.

Intercom Fin pricing

Fin costs $0.99 per resolution, inside Intercom or on top of another helpdesk. Run on another helpdesk, it has a $49 monthly base that includes your first 50 resolutions.

Intercom counts a conversation as resolved when the customer confirms it's solved or leaves without asking for more help. Test that second condition in a pilot, because it can count customers who simply gave up.

Zendesk AI agent pricing

Zendesk charges $1.50 per automated resolution on a committed plan and $2.00 pay-as-you-go, on top of Suite seats. Each seat includes 5 to 15 automated resolutions a month, depending on plan.

Autonomous AI agents became part of every Suite plan in May 2026, and overage has been billed automatically since January 2026. The Copilot add-on for human agents costs $50 per agent a month.

Gorgias AI Agent pricing

Gorgias charges $0.85 to $1.00 per automated interaction depending on your helpdesk plan, and $1.50 beyond your AI bundle. Each AI interaction also counts as a helpdesk ticket.

There's one fair exception: if the shopper reaches a human within 72 hours, Gorgias bills it only as a ticket. If you already run support in Gorgias, it's the option with the least setup.

HubSpot Breeze Customer Agent pricing

Since April 14, 2026, HubSpot charges $0.50 per resolved conversation (50 credits) and nothing when the agent doesn't resolve it. Before that, it charged $1.00 per conversation whatever the outcome.

You need Service Hub Professional or Enterprise seats first. Credits cost $10 per 1,000, or $9 on annual billing.

Freshdesk Freddy AI pricing

Freddy AI Agent costs $49 per 100 sessions, about $0.49 each, and every account gets 500 free sessions once. Freshdesk seats cost $19, $55 or $89 per agent a month in 2026, and Freddy Copilot is $29 per agent.

Because Freddy bills per session, its cost per resolution falls as your AI improves.

Kustomer pricing

Kustomer charges $0.60 per engaged AI conversation on its seat plans, which cost $89 or $139 per seat with an 8-seat minimum. A conversation-based plan is available for teams that don't want seats.

Tidio Lyro pricing

Lyro starts at $39 a month for 50 AI conversations, or $32.50 a month billed annually. The free plan includes 50 Lyro conversations for the life of the account, not per month.

Tidio's Premium plan guarantees a 50% resolution rate, which is rare in this market.

Crisp pricing

Crisp charges per workspace rather than per agent: Mini $45, Essentials $95 and Plus $295 a month. Those plans include roughly 90, 450 and 1,350 automated AI conversations.

Crisp doesn't publish an overage rate, so ask what happens before you outgrow a plan.

ChatBot.com and LiveChat pricing

ChatBot.com's Essential plan is $19 a month with 10 AI resolutions, and Growth is $79 with 200. Extra resolutions cost $49.50 per 50.

Human chat runs through LiveChat at $19, $49 or $79 per person a month on annual billing.

Siena AI pricing

Siena charges a $750 monthly platform fee plus $0.90 per automated ticket, with no free trial. The platform fee makes it the most expensive option below about 1,000 conversations a month. Above that, the gap narrows fast.

Ada pricing

Ada doesn't publish prices. Buyers report entry contracts around $30,000 a year, a median near $70,000, and per-resolution rates between $1.00 and $3.50.

Forethought pricing

Forethought, bought by Zendesk in March 2026, sells on quote only. Its median contract is about $74,500 a year.

Yuma AI pricing

Yuma charges per resolved ticket but doesn't publish the rate. It offers a 30-day trial.

Alhena AI pricing

Alhena's plans run from free to $999 a month on annual billing, with $1.20 per extra conversation. The full breakdown, including when Alhena isn't the cheapest option, is in the next section.

Alhena AI pricing, explained (our own product)

Alhena AI has a free plan and three paid tiers from $199 to $999 a month on annual billing. Each conversation beyond your plan costs $1.20. Prices below come straight from alhena.ai/pricing.

The free plan includes one AI profile, 500 SKUs and AI-only support. It has no overage option, so it stops at 25 conversations.

How Alhena billing works

• A credit is used when the AI resolves or assists with a conversation.
• Spam, irrelevant queries and immediate human handoffs that don't involve the AI cost nothing.
• Credits don't roll over to the next month.
• Paid plans charge $1.20 for each conversation beyond the plan.

The honest trade-off

Because assisted conversations use a credit too, Alhena's bill doesn't depend on your resolution rate. That makes it easy to forecast. It also means that at low resolution rates, your cost per resolved conversation is higher than on per-resolution tools like Fin or HubSpot.

Alhena isn't the cheapest option in two cases:

• Under about 100 AI conversations a month, mostly FAQs. Tidio Lyro ($39 for 50) or Crisp Mini ($45) costs less.
• 3,000+ conversations at list price, judged on AI fees alone. HubSpot, Freshdesk and Fin cost less. Brands at that volume usually negotiate Enterprise pricing.

Where Alhena earns its price is the sales side. It works as a shopping assistant as well as a support agent, answering product questions and recommending products, not only deflecting tickets.

Alhena vs Gorgias, Tidio, Intercom Fin, Zendesk and Ada: a fair cost comparison

On AI fees alone at 1,000 conversations a month, Alhena costs more than Gorgias, Fin and ChatBot.com, about the same as Zendesk, and far less than Ada. The real question is whether you need a support bot or a shopping assistant.

Same assumptions as above: 1,000 AI conversations a month, 70% resolved, list prices, annual billing.

Alhena vs Gorgias

At 1,000 AI conversations a month, Gorgias AI Agent costs about $630 and Alhena Scale costs $999. At 300 conversations, it's $189 against $319 for Alhena Essentials.

Gorgias is cheaper on AI fees, but each of its AI interactions also uses a helpdesk ticket. The two aren't always either-or, because Alhena can run on top of Gorgias as your helpdesk.

Alhena vs Tidio vs LiveChat: which is cheapest?

For a store with fewer than 100 AI conversations a month, Tidio is cheapest, with Lyro from $39 for 50. At 300 conversations, ChatBot.com costs about $129 a month against $319 for Alhena Essentials.

Choose Alhena over either when product recommendations and order actions matter more than the lowest price per chat.

Alhena vs Intercom Fin

At 3,000 conversations and 70% resolution, Fin's AI line is $2,079 a month and Alhena Scale is $3,159 at list price. Fin is cheaper per unit at that volume.

Alhena's case rests on ecommerce: product discovery, order actions, and revenue from recommendations. At that volume, ask for Alhena's Enterprise pricing before you compare final numbers.

Alhena vs Zendesk

At 1,000 conversations, Zendesk AI agents cost $1,050 a month at the committed rate, plus Suite seats, against $999 for Alhena Scale. At 3,000 conversations, the two are within $10 of each other at list price.

Alhena vs Ada and Forethought

Ada starts around $30,000 a year on a quote-only contract, and Forethought's median contract is about $74,500. Alhena's Scale plan is $11,988 a year on annual billing, and every tier's price is public.

If you're a mid-market brand that wants to see a price before booking a sales call, that's the difference.

Is an AI chatbot worth it for a small store under $1M in revenue?

It's worth it once the AI resolves conversations for less than they cost your team to answer. Below about 50 repetitive questions a month, a free plan and a good FAQ page are usually enough.

Here's the quick math, with assumptions you should swap for your own. If a support person costs $20 an hour and a routine question takes 5 minutes, each one costs you about $1.67. Any AI that resolves it for less saves money, and nearly every rate in this guide is below that.

Is Alhena AI overkill for a store under $1 million?

It can be. If you mostly answer "where's my order" and handle fewer than 100 chats a month, a cheaper widget will do. Start on Alhena's free plan to test it.

It earns its price when pre-purchase questions drive sales: sizing, ingredients, compatibility, "which one should I buy". That's when Essentials, at $199 a month on annual billing, is the paid entry point.

How to compare AI chatbot quotes: 7 questions to ask every vendor

Ask these seven questions and you can put any two quotes side by side, even when the vendors use different pricing models.

1. What exactly counts as a billable unit? Get the definition of a resolution, conversation or session in writing.
2. What do you charge beyond my plan, and is it billed automatically?
3. Does an AI conversation use up anything else I pay for? Tickets, seats and credits are the usual suspects.
4. What's the minimum commitment, and what happens to volume I don't use?
5. What does setup cost, and who does the integration work?
6. Which channels are included? Chat, email, SMS, WhatsApp and voice are often priced separately.
7. Can my rates change before renewal, and will you cap them in writing?

Then ask for a pilot on your own recent conversations. The resolution rate you see there is the number that decides every calculation above.

AI chatbot pricing outside the US

Most platforms in this guide price in US dollars. Buyers in the UK, EU, India, Japan and Australia should budget for three extras.

• Currency and card fees. Your bank's conversion rate and foreign-transaction fees apply unless the vendor bills in your currency.
• VAT or GST. Listed prices usually exclude tax. In the UK and EU, a valid VAT number often lets you use the reverse-charge rule instead.
• Data residency and languages. Ask where conversation data is stored, whether a GDPR data processing agreement is included, and whether non-English conversations cost the same.

How we checked these prices

Every figure here is a list price in US dollars, collected in September 2026, using annual billing where a vendor offers it. We re-check every price on the first business day of each month.

• Published prices come from vendor pricing pages and announcements.
• Partly published prices are filled in from independent pricing breakdowns.
• Quote-only vendors (Ada, Forethought, Yuma) are shown as buyer-reported ranges and labelled that way.
• Alhena's prices come from our own pricing page, run through the same assumptions as everyone else's.

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