# What does Tenyx voice AI cost now it is part of Salesforce?

Tenyx joined Salesforce in September 2024 to extend Agentforce Service Agent with voice. You now meter it as Agentforce Voice actions at 30 Flex Credits (US$0.15) each, not by the minute.

**Published:** 2026-06-10
**Canonical:** https://synconai.com/tenyx-salesforce-licence-cost
**Author:** SynconAI Architecture Team

## In short

Tenyx is not sold by name. Salesforce bought it to add voice to its service agent, and the current price is Agentforce Voice: each voice action uses 30 Flex Credits, which is US$0.15 at US$500 per 100,000 credits. Salesforce's own example, four actions across 300 calls a month, comes to US$180. Read on 13 October 2026.

## Sources

- **Salesforce Signs Definitive Agreement to Acquire Tenyx** (retrieved 2024-09-13)
  https://www.salesforce.com/news/stories/salesforce-signs-definitive-agreement-to-acquire-tenyx/
  > Salesforce completed its acquisition of Tenyx on September 13, 2024.
- **Salesforce Signs Definitive Agreement to Acquire Tenyx** (retrieved 2024-09-03)
  https://www.salesforce.com/news/stories/salesforce-signs-definitive-agreement-to-acquire-tenyx/
  > Salesforce has signed a definitive agreement to acquire Tenyx, a developer of AI-powered voice agents that create natural and engaging conversational experiences, transforming customer service.
- **Agentforce Pricing** (retrieved 2026-10-13)
  https://www.salesforce.com/agentforce/pricing/
  > Unused Flex Credits do not roll over into subsequent subscription terms.
- **Agentforce Pricing: Voice example** (retrieved 2026-10-13)
  https://www.salesforce.com/agentforce/pricing/
  > This example does not include other costs like Data 360 credits or other consumption services.

## What to take away

- There is no per-minute rate. Agentforce Voice is metered per action at 30 Flex Credits (US$0.15), so cost follows what the agent does on the call.
- Salesforce's worked example, four voice actions per call across 300 calls, costs US$180 a month. It excludes Data 360 credits and other consumption services.
- Telephony connection, knowledge grounding and the humans who take escalations are separate lines that your quote must show.
- Convert any per-minute offer into a per-call cost using your own average actions and call length before you compare.

## The guide

Contact-centre buyers love a per-minute rate because it is easy to compare. Voice AI is making that comparison harder, and the Tenyx acquisition is a good example of why. Tenyx built voice agents; Salesforce bought it to put those agents inside its service product; and the price you meet today is quoted in actions, not minutes. This guide shows how to turn the published numbers into a per-call cost you can compare against anything else on the table.

## What Salesforce bought and what you buy now

Salesforce's announcement is specific about the purpose: "Salesforce has signed a definitive agreement to acquire Tenyx, a developer of AI-powered voice agents that create natural and engaging conversational experiences, transforming customer service." It adds that, once the deal closed, Tenyx would extend Salesforce's autonomous agent capabilities for Agentforce Service Agent by integrating voice AI solutions "specifically tailored for service use cases". The acquisition completed on 13 September 2024.

Two things follow. First, the product you buy is not called Tenyx on any Salesforce price page we read on 13 October 2026. The [Agentforce pricing page](https://www.salesforce.com/agentforce/pricing/) lists Agentforce Voice among its agent types, and the Service Cloud pricing page lists Agentforce Voice in its navigation. Second, the commercial unit is the Flex Credit, and Salesforce says plainly that "Usage types and multipliers differ for Agentforce Voice actions", pointing buyers to the Agentforce Rate Card for detail. Treat any Tenyx price list you are shown as historical until it appears on a current order form.

## The voice meter, worked from the published numbers

The arithmetic is short. Flex Credits cost US$500 per 100,000, so one credit is US$0.005. A standard Agentforce action uses 20 credits, which is US$0.10. A voice action uses 30 credits, which is US$0.15. Salesforce adds that Flex Credits are fungible across actions, prompts, translations and voice actions, which means your voice usage draws on the same pool as your other agents.

The page then works one example from end to end. A customer phones to change a reservation. Agentforce Voice identifies the customer by email, answers questions with knowledge, fetches reservation time slots and finalises the reservation. That is four actions, 120 credits, US$0.60 for the call. Across 300 calls a month, that is 36,000 credits and US$180. Salesforce is careful to add a caveat: "This example does not include other costs like Data 360 credits or other consumption services."

The caveat is the useful part. A voice call does not run on Flex Credits alone. If the agent grounds answers in your knowledge library through Data 360, that consumption is metered separately. If the call is transferred to a human on a Service Cloud seat, that seat is priced on another line. If the call arrives through a contact-centre platform, the connection between telephony and Salesforce is also its own item; the Service Cloud pricing page lists CCaaS Integrations as a separate offering described as uniting "cloud telephony and Salesforce CRM", with its own pricing link.

| Calls per month | Actions per call | Credits per month | Flex cost per month (US$) | Cost per call (US$) |
|---|---|---|---|---|
| 300 | 4 | 36,000 | 180 | 0.60 |
| 3,000 | 4 | 360,000 | 1,800 | 0.60 |
| 3,000 | 8 | 720,000 | 3,600 | 1.20 |
| 30,000 | 4 | 3,600,000 | 18,000 | 0.60 |

## Why per-minute comparisons mislead

A per-minute rate charges you for the clock; an action-based rate charges you for what the agent does. They diverge in both directions. A three-minute call that needs one lookup costs US$0.15 on Flex Credits. A twelve-minute call in which the caller is hesitant, the agent asks clarifying questions and nothing is written to a record may also cost US$0.15 or a little more. Conversely, a short call that triggers six records, two summaries and a case update uses many actions in thirty seconds.

To compare fairly, convert both to cost per resolved call. For Flex Credits that is actions per call multiplied by US$0.15. For a per-minute offer it is average handling minutes multiplied by the rate, plus any platform fee. Run your own data through both formulas. If your calls are short and action-light, the action meter will usually look good. If your calls are long, exploratory and tool-heavy, a per-minute rate may be steadier. The point is not that one model is better; it is that you cannot compare them without your own call data.

There is a second reason for care. Voice is where quality problems cost the most, and a cheaper meter that drives repeat calls is not cheaper. A call that fails and returns as a second call doubles the cost per resolution, and a poor handoff to a person adds seat time as well. Ask each vendor for resolution measures alongside the rate.

## One call, two meters

Here is the conversion in practice. The per-minute figure below is an assumption chosen to make the arithmetic visible; it is not a quoted price from any vendor. Suppose a competing offer charges US$0.10 a minute and your average handled call lasts five minutes. That is US$0.50 a call. On Flex Credits, a call needing four voice actions costs US$0.60, and a call needing three costs US$0.45. The two meters cross at roughly three and a third actions, or five minutes at that assumed rate.

Now change the call. If the average call is eight minutes because callers are slow to explain, the per-minute offer climbs to US$0.80 while the Flex cost is unchanged at four actions. If the call is two minutes but needs six actions, the Flex cost is US$0.90 against US$0.20. Neither meter wins in general. What wins is the match between the meter and your call profile, and that is why a sample of your own recordings is worth more than any benchmark.

This is also the right moment to ask each bidder what is inside their number. Does the rate include speech recognition, text-to-speech, language-model usage and the telephony leg, or are some of those billed on top? A Flex Credit price that excludes carrier charges should be compared against a per-minute price that includes them only after you add the carrier line back.

## Phasing a voice rollout

Voice projects go wrong when they start wide. A sensible phasing, from the licence angle, has three steps. Begin with one bounded call type, handled in business hours, with a human fallback always available. Measure actions per call, containment and repeat-call rate for four to six weeks, using Digital Wallet for consumption. Then widen to a second call type and extend the hours.

Each step is also a commercial checkpoint. After the first, you will know your true credits per call and can size a commitment from evidence. After the second, you will know how volume and complexity behave together. Buy the larger commitment last, not first, and write into the order form how credits can be moved between voice and text agents, since the page describes the credits as fungible across action types.

## What else belongs in the budget

Treat the Flex Credit line as one of five.

The first is the agent consumption itself, which you can model as above. The second is telephony: the carrier numbers, the contact-centre platform and the integration that routes a call to the agent, none of which are inside the Flex Credit rate. The third is knowledge and data. Voice answers are only as good as the library behind them, and if that library is processed through Data 360, its credits belong in the same model. The fourth is the people: service seats for escalations and supervisors, with the Service Cloud prices read on the same date, Core at US$195, Advanced at US$395 and Max at US$550 per user per month, billed annually. The fifth is the support plan, where Salesforce lists Standard as included and the Premier Success Plan at 30 dollars in every 100 of net licence fees.

Do not leave any of these as "to be confirmed" at signature. A voice project that begins with a clear agent price and a vague telephony price tends to finish with the reverse.

## Contract mechanics for voice

The mechanics from the Agentforce page matter more for voice because volume is lumpier. Seasonal peaks, outages at a competitor, billing runs and weather events can double call volume in a week, and a Flex Credit commitment sized on the average will not cover it. The page says there is no overage penalty and that "If you exceed your entitlement, your rate is your contracted rate billed monthly in arrears." That is workable if your contracted rate is sensible, so ask what it is, and whether the rate for voice is the same as the rate for text agents.

Unused credits are the opposite risk: "Unused Flex Credits do not roll over into subsequent subscription terms." A pilot that is delayed by a telephony integration can burn months of a prepaid term. If you prefer to avoid that, ask about the PayGo and Pre-Commit models, which the page describes as billed monthly in arrears, and note that Pre-Commit carries a true-up at the end of term if usage falls below the commitment. Check the Conversations model too, but ask in writing whether it covers voice, because the page presents Conversations as a flat per-conversation price for customer-facing agents and does not spell out voice.

## Sizing a voice licence

Begin with the call mix, not the call total. Take a sample of recent calls and sort them into types: status and information, simple transactions, authenticated account changes, complaints and anything regulated. Decide which types an agent may handle end to end. Then map each type to the actions it would need, which gives you actions per call by type. Multiply by volume and by US$0.15, and you have a first estimate with a visible logic.

Next, add a margin for the things pilots reveal: retries, fallbacks to knowledge search, authentication steps, and handoffs. Then test the sensitivity. If actions per call rise from four to eight, cost doubles; if your call volume rises by half, cost rises by half. Build both into the plan, and set Digital Wallet alerts so that a drift shows up in a week, not a quarter.

Finally, decide what you will not automate. Salesforce's own example is a reservation change, a bounded, low-risk transaction. Calls involving distress, disputes or legal consequence belong with people, and putting them in scope inflates both cost and risk.

## Questions for the account team

- What is the contracted Flex Credit multiplier for Agentforce Voice actions in my agreement, and where is it written?
- Does the Conversations model cover voice calls, and if so at what unit?
- Which telephony platforms and carriers are supported, and what do the integration and the numbers cost?
- Which Data 360 or knowledge consumption does a typical voice call trigger?
- If volume doubles in a month, what rate applies, and can I alter the commitment mid-term?

For the work design, covering voice paths, what the caller hears when the path stops and who takes the call next, read [Tenyx and the service voice quote](/tenyx-agentforce-voice). The acquisition record is on [what happened to Tenyx](/what-happened-to-tenyx), the objects and failure paths on [integrating Tenyx with Salesforce](/integrating-tenyx-with-salesforce), and the decision to move on [should I migrate from Tenyx](/should-i-migrate-from-tenyx). Salesforce's completion notice reads: "Salesforce completed its acquisition of Tenyx on September 13, 2024." The pricing figures in this guide come from the Agentforce and Service Cloud pricing pages, which Salesforce notes are subject to change.

## Questions

### Is Tenyx priced per minute?

No Salesforce page publishes a per-minute rate. Agentforce Voice is metered per action: each voice action uses 30 Flex Credits, which is US$0.15 at US$500 per 100,000 credits. To compare with a per-minute offer, multiply your average actions per call by US$0.15 and divide by call minutes.

### What does a typical voice call cost in Agentforce?

Salesforce's worked example uses four voice actions per call, which is 120 credits or US$0.60, and 300 calls a month for US$180. Your number depends on the actions your agent needs. Eight actions would be US$1.20 per call, so measure actions in a pilot before you forecast.

### Is the telephony connection included in the Flex Credit price?

Salesforce says its examples exclude Data 360 credits and other consumption services, and the Service Cloud pricing page lists CCaaS Integrations as a separate offering. Ask for carrier numbers, the contact-centre platform and the integration to be priced as their own lines on the quote.

### Can I pay for voice with the Conversations model?

The Agentforce page describes Conversations as a flat price of US$2 per conversation for customer-facing agents but does not say how voice calls are treated. Ask in writing whether voice is covered. Flex Credits and Conversations also cannot be used in the same org, so the answer affects your whole agent plan.

### What happens if my call volume spikes above my credits?

Salesforce states there is no overage penalty. If you exceed your entitlement, you pay your contracted rate, billed monthly in arrears. Digital Wallet gives threshold alerts. Unused credits, by contrast, do not roll over, so size the commitment to your evidenced baseline and let peaks run on the contracted rate.

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SynconAI is a Salesforce Select Partner and an OpenAI Select Partner, delivering architect-led Salesforce and AI programmes across the United States and Australia. Related service: Agentforce consulting (https://synconai.com/salesforce-agentforce-consulting).