How AI customer service is billed
The billing unit decides what you pay when the AI fails, hands off or succeeds. The benchmark reports cost per verified resolution from real invoices, so units can be compared.
| Unit | What it means | What to check | Products |
|---|---|---|---|
| Per resolution | Billed when the AI closes the conversation | The bill grows as the AI succeeds. Read how the vendor defines “resolved”, and whether a customer who comes back later still counts. | Fin AI AgentGorgias AI AgentZendesk AI agents |
| Per conversation | Or per session or per message | You pay even when the AI hands the customer to a person. | Agentforce ServiceFreddy AI AgentLyro AI Agent |
| Per seat | Usually a copilot or QA add-on | It often has to be bought for every seat, not only for the people who use it. | Freddy AI CopilotIntercom CopilotZendesk CopilotZendesk QA |
| Per minute | Mostly voice AI | The headline rate may leave out the model, speech and phone-line costs. | ParloaPolyAIRetell AISynthflow |
| Usage | Credits, tokens or actions | Ask for a worked example at your volume; credit prices change more often than plan prices. | Rippit (formerly MaestroQA) |
| By contract | No public rate card | Ask what counts as a billable outcome, and whether there is a minimum commitment. | AdaDecagonForethought AI AgentsLevel AI Auto-QANiCE CognigyObserve.AI Auto QASierra |
Each product, as its vendor publishes it
Ada
By contractNot published; Ada's pricing page leads to a sales call and an ROI model based on the buyer's volume5. Ada's service terms describe invoicing up front for a purchased number of Automated Resolutions6.
What counts: Ada's terms define an Automated Resolution as a conversation that is not escalated (handed to a live agent, or the bot recommended another support channel) and is relevant, accurate and safe; the count uses an average rate from a sample of conversations6.
Agentforce Service
Per conversationSalesforce lists $2 per conversation for external customer agents, or Flex Credits at $500 per 100,000 credits with 20 credits per standard action and 30 per voice action5. Service Cloud Max ($550 per user per month, billed annually) includes Agentforce for Service and 2.75 million Flex Credits per org per year2.
What counts: A Flex Credits action is "a specific function that an AI agent executes on the platform"; Salesforce does not define a billed conversation on its pricing page5.
Decagon
By contractNot published; sold by contract. Decagon offers per-conversation pricing (a fixed rate per incoming conversation) or per-resolution pricing (a higher fixed rate per fully resolved conversation, no charge for escalations), and says most customers choose per-conversation6,5.
What counts: Decagon frames resolution as a conversation resolved by the AI agent without escalating to a human; it publishes no formal billing definition6.
Fin AI Agent
Per resolution$0.99 per outcome, at most one per conversation; a qualification costs $9.991. Using Fin with another help desk has a minimum of 50 outcomes per month1; the help center describes a $49-per-month base plan that includes 50 resolutions8.
What counts: An outcome is either a resolution or a Procedure handoff. A resolution is counted when the customer confirms the answer worked (confirmed) or leaves without asking for more help (assumed). Escalations from Fin's default behavior or workspace rules, and failed Procedures, are not billed8.
Forethought AI Agents
By contractNot published; Team, Professional and Enterprise plans are sold by quote5. Forethought says pricing is "a blend of platform access fees and an outcome-based pricing cost", with extra charges if usage exceeds the plan's purchase volume5.
Freddy AI Agent
Per conversationFreddy AI Agent is billed in sessions: the first 500 are included once per account on Freshdesk Growth, Pro and Enterprise, then $49 per 100 additional sessions4.
What counts: "A session is a unique interaction between an end-user and an AI Agent"; for email, all AI replies within 72 hours of the customer's first message count as one session4. The help center gives chat sessions a 24-hour length2.
Freddy AI Copilot
Per seat$29 per agent per month billed annually, as an add-on to the Pro and Enterprise plans; it can be bought for any number of agents1.
Gorgias AI Agent
Per resolutionAI Agent is included on every help desk plan and billed per automated interaction: $0.90 on annual contracts and $1.00 on monthly contracts, with $1.50 for interactions above the plan's allowance6. Help desk plans include 30 to 530 automated interactions per month (from Starter at $10 a month to Advanced at $750 a month billed annually)6.
What counts: An automated interaction is a customer request fully resolved without a human agent, by AI Agent or by Flows, Quick Responses or Order Management. Each one also counts as a help desk ticket. If an agent replies within 72 hours of an AI Agent resolution, it is billed only as a help desk ticket6.
Intercom Copilot
Per seatEach teammate gets 10 Copilot conversations a month at no extra cost; unlimited usage costs $29 per teammate per month billed annually or $35 billed monthly3,4. Lite-seat teammates cannot use Copilot3.
What counts: A conversation counts when a teammate asks Copilot a question and Copilot answers; up to 3 follow-up questions in the same conversation count as one3.
Level AI Auto-QA
By contractNot published; sold by contract through a demo request1.
Lyro AI Agent
Per conversationLyro AI Agent starts at $32.50 a month for 50 Lyro conversations, with tiers up to 1,000 a month and custom volumes above that; the first 50 conversations are free3. The Premium plan adds pay-per-resolution billing3.
What counts: A Lyro conversation is a customer interaction started through any channel connected to Tidio that gets at least one AI reply; more replies or a return visit still count as one conversation3.
NiCE Cognigy
By contractNo public prices; licensed by contract. Standalone customers are billed for conversations, peak concurrent Voice Gateway lines with daily overage charges, and Knowledge AI queries; NiCE CXone customers are billed per conversation8.
What counts: A billable conversation is an interaction between a user and an AI agent or a human agent through the platform, up to 50 user inputs within 24 hours; under CXone billing, up to 10 minutes of a call counts as one conversation8.
Observe.AI Auto QA
By contractNot published; sold by contract through a demo request1.
Parloa
Per minuteConsumption pricing: per minute for voice and per interaction for chat, with rates that rise with use-case complexity and a volume package bought up front; no public prices7.
PolyAI
Per minuteBilled per minute of use; the rate includes improvements, maintenance and 24/7 support, and prices are given only by quote8.
Retell AI
Per minutePay as you go at $0.07 to $0.31 a minute, the sum of voice infrastructure ($0.055), the chosen LLM, the voice and telephony (typically $0.015), plus add-ons; chat is from $0.002 a message; 20 concurrent calls included, then $8 per extra concurrent call a month; enterprise pricing is custom2.
What counts: Calls are billed to the nearest second, including silence and hold time; failed calls are not billed, and after a transfer only telephony fees continue2.
Free plan with 100 agent runs a month; Starter $185 a month for 300 runs; Growth $495 a month for 1,000 runs; Enterprise by quote6. AI credits are charged at cost with no markup6. MaestroQA's own pricing page asks buyers to request a quote7.
What counts: Rippit says "An Agent Run is one execution of that workflow"6.
Sierra
By contractNot published; sold by contract. Sierra says it uses outcome-based pricing1, with consumption-based pricing (by conversation count) for some interactions such as routing6.
What counts: Sierra says outcomes are tied to business results such as a resolved support conversation, a saved cancellation, an upsell or a cross-sell, with criteria agreed with each customer up front. In most cases, unresolved or escalated conversations are not charged6.
Synthflow
Per minuteSales-led annual contracts that start at $30,000 a year, with final price set by call volume, concurrency, telephony and integrations7. Usage is counted in minutes against a contracted allocation, with overage per extra minute8.
What counts: Minutes used in the contract period count against the allocation; calls after the allocation runs out are billed at a per-minute overage rate that is not published8.
Zendesk AI agents
Per resolutionIncluded in every Suite and Support plan with an allowance of 5 automated resolutions per agent per month (Support Team, Suite Team) or 10 (Suite Professional); more cost $1.50 each committed or $2.00 pay as you go5.
What counts: Since May 18, 2026 conversations fall into three tiers. Only a verified resolution, where an LLM review decides the request was satisfactorily resolved after the conversation ends, is counted; assisted escalations and contained resolutions do not count against the allowance6.
Zendesk Copilot
Per seat$50 per agent per month, paid yearly, as an add-on to Professional plans and above2. Transcribing phone calls has additional usage costs1.
Zendesk QA
Per seatThe QA add-on price is not published on Zendesk's pricing page; the Workforce Engagement bundle, which covers quality assurance and coaching, is $50 per agent per month paid yearly6. Scoring AI agent tickets costs nothing extra1.