Intercom Fin vs Zendesk AI Agents vs Salesforce Agentforce: Real AI Customer Support Cost per 10,000 Resolutions in 2026

The short answer: this comparison has a major premise change in progress. Salesforce agreed to acquire Intercom (branded "Fin") for roughly $3.6 billion, announced June 15, 2026, with Fin folding into Salesforce's Agentforce platform; the deal is expected to close around Q4 of Salesforce's FY2027, so as of late September 2026 the two remain separate products under a pending combination. On today's live pricing, 10,000 billable interactions costs about $9,900 on Intercom Fin ($0.99 per billed "outcome"), $15,000–$20,000 on Zendesk AI agents ($1.50 committed or $2.00 pay-as-you-go per verified resolution), and roughly $33,300 on Salesforce Agentforce's Conversations model at an ILLUSTRATIVE 60% resolution rate — though Agentforce's alternative Flex Credits model can undercut that substantially for low-action-count conversations. "Resolution" is defined differently enough across all three that the headline per-unit price is not a safe basis for comparison on its own, and Fin's $9,900 figure specifically is not 10,000 strict, verified issue resolutions: Fin's billable "outcome" also includes procedure handoffs and disqualifications, so the true cost per 10,000 strict resolutions on Fin cannot be derived without knowing what share of its billed outcomes are handoffs or disqualifications rather than actual resolutions.

What changed: the Salesforce–Intercom deal

On June 15, 2026, Salesforce announced a definitive agreement to acquire Intercom (Fin) for approximately $3.6 billion, with Fin's AI agent expected to fold into Agentforce. The deal has not closed as of the most recent sources reviewed; expected closing is around Q4 of Salesforce's fiscal year 2027. This article prices Fin and Agentforce as the separate, currently-operating products they still are, but any multi-year contracting decision involving either should account for the pending combination and the roadmap uncertainty that comes with it.

What each vendor bills, and what counts as a "resolution"

Intercom Fin (OFFICIAL, fin.ai/pricing). $0.99 per resolved outcome, billed once per conversation regardless of how many questions Fin answers within it, separate from Intercom's seat-based platform pricing. An "outcome" includes a resolution, a procedure handoff, or a disqualification — a broader definition than a strict issue-resolved metric. Fin's own reported average resolution rate across 8,000-plus customers is 76%, improving roughly 1 percentage point a month; for enterprise customers above 250,000 monthly conversations, Intercom guarantees a 65% resolution rate or pays the customer $1 million. A premium "Qualification" (lead qualification) outcome is billed separately at $9.99.

Zendesk AI agents (REPORTED, restructured May 2026). Zendesk absorbed its former $50/agent/month "Advanced AI" add-on into all Suite and Support plans, then introduced a three-tier resolution model: Assisted Escalation (the AI gathered information or routed the customer, but a human resolved it) is free and does not count against any allowance; only a "Verified Resolution" (the AI resolves the ticket end-to-end) is billed, reported at roughly $1.50 on a committed plan or about $2.00 pay-as-you-go. This three-tier structure means Zendesk's effective cost per interaction is lower than the headline resolution price suggests for a support operation with a meaningful share of assisted-but-human-closed tickets, since those cost nothing.

Salesforce Agentforce (OFFICIAL, Salesforce's Agentforce pricing page). Three coexisting pricing models, and an organization must choose one — Flex Credits and Conversations cannot be mixed within the same org. Conversations: $2.00 per conversation, customer-facing agents only, billed once regardless of resolution outcome — you pay whether or not the AI actually resolved the issue, since this is a per-conversation, not per-resolution, charge. Flex Credits: $500 per 100,000 credits ($0.005/credit); a standard agent action costs 20 credits ($0.10/action), with a voice action costing 30 credits (15 cents); this shifts billing to the action level rather than the conversation level. Per-user licensing: $5/user/month (requires Flex Credits on top for actual usage) up to $125–$150/user/month for unmetered flat-fee access, and Agentforce 1 Editions from $550/user/month bundling 2.5 million Flex Credits a year.

Normalizing "resolution" across three different definitions

All figures ILLUSTRATIVE where a resolution rate is required. Fin's headline price is per billable outcome, while Zendesk's is per Verified Resolution; Agentforce's Conversations price is per-conversation-attempted, so it must be divided by an assumed resolution rate to become comparable. Formula: cost per resolution (Conversations model) = $2.00 ÷ resolution rate. At an ILLUSTRATIVE 60% resolution rate (broadly consistent with independent benchmarking that put Agentforce's effective cost per resolved conversation at roughly $3.33), that is $3.33 per resolution — you are paying for every attempted conversation, resolved or not, unlike Fin's and Zendesk's Verified/outcome-based billing.

Cost per 10,000 billed units — three different billing units, not one

Fin's per-outcome pricing is the cheapest headline rate of the three, and unlike Agentforce's Conversations model, it is not billed on every failed attempt — but it is also not billed strictly on confirmed issue resolution the way Zendesk's Verified Resolution is: Fin charges the same $0.99 for a procedure handoff or a disqualification as for an actual resolution, so its $9,900 figure is the cost of 10,000 billable Fin outcomes, not a confirmed cost of 10,000 strict resolutions. Converting Fin's figure into a true cost-per-strict-resolution requires knowing what share of a given deployment's billed outcomes are handoffs or disqualifications rather than resolutions, information this article does not have. Agentforce's Conversations model, by contrast, charges for every attempted conversation whether or not it resolves at all, which is why its effective per-resolution cost is more than three times Fin's headline rate even before accounting for Fin's broader outcome definition.

The Flex Credits alternative, and where it beats the per-conversation rate

Formula: Flex Credits cost per conversation attempted = actions per conversation × 20 credits × $0.005/credit, which simplifies to $0.10 per standard action. At 3 actions per conversation, that is $0.30 per attempted conversation — at a 60% resolution rate, roughly $0.50 per resolution, dramatically cheaper than the $2.00 flat Conversations rate. The crossover between Flex Credits and the flat Conversations rate follows directly from the two published rates: $2.00 ÷ $0.10 per action = 20 standard actions per attempted conversation. Because both alternatives are being compared on the same attempted-conversation basis, the resolution rate cancels out of this specific comparison and does not change where the crossover falls — below 20 actions per conversation, per-action Flex Credit billing beats the flat $2.00 Conversations rate; above 20 actions, the flat rate becomes cheaper. (One industry analysis reported a lower crossover of roughly 12 actions per conversation at a 60% resolution rate; that figure does not follow from the action-rate and conversation-rate numbers published on Salesforce's own pricing page and used in this article, and likely reflects a different action mix, a different credit cost per action, or additional cost components — such as voice actions at 30 credits instead of 20 — not captured in this article's simpler two-rate formula.) A simple FAQ-answering agent with 2–3 actions per conversation should almost always prefer Flex Credits over the Conversations model; a complex, many-step service agent doing 20 or more backend actions per conversation may find the flat $2 rate cheaper.

Sensitivity

1. Resolution rate. The single largest lever for Agentforce's Conversations model, whose per-resolution cost is derived by dividing its flat per-conversation rate by the resolution rate directly. It matters differently for Fin and Zendesk: Zendesk's billed unit is already a Verified Resolution, so a lower resolution rate doesn't raise its per-unit price, only the total ticket volume needed to reach 10,000 of them. Fin's billed "outcome" can be a procedure handoff or a disqualification as well as a strict resolution, so Fin's cost per strict resolution specifically depends on the deployment's outcome mix, not on a resolution rate in the same direct sense.
2. Actions per conversation on Agentforce. Determines whether Flex Credits or the Conversations model is cheaper; the crossover derived from Salesforce's own published rates is 20 standard actions per conversation, independent of resolution rate.
3. Which Zendesk tier a ticket lands in. Assisted Escalation is free; only a Verified Resolution is billed, so an operation with a high human-assist share pays much less than the headline resolution rate implies per total ticket volume.
4. The pending Salesforce–Intercom deal. Neither today's Fin pricing nor Agentforce's pricing structure is guaranteed to survive the planned integration once the acquisition closes.

Budgeting traps

• Comparing Agentforce's per-conversation rate directly to Fin's per-outcome rate or Zendesk's per-Verified-Resolution rate without dividing by a resolution rate first. These are not the same billing unit.
• Defaulting to Agentforce's Conversations model for a simple, low-action-count agent. Flex Credits are cheaper below the 20-standard-action crossover point derived from Salesforce's own published rates.
• Assuming all Zendesk AI interactions bill at the Verified Resolution rate. Assisted Escalations are free and should not be counted into a naive per-ticket cost estimate.
• Signing a multi-year Fin or Agentforce contract without accounting for the pending Salesforce acquisition. Pricing and product structure for both are more likely to change than usual given the deal in progress.

What to ask before you buy

Ask Salesforce directly for your organization's actions-per-conversation profile before choosing between Flex Credits and the Conversations model, since the cheaper option depends entirely on that ratio. Ask Intercom and Salesforce how the pending acquisition is expected to affect pricing and product roadmap for Fin and Agentforce respectively, before committing to a contract term that extends past the deal's expected Q4 FY2027 close.