Agentforce vs Sierra Cost Comparison 2026
How does Agentforce's published $2 per conversation compare with Sierra's quote-only per-resolution model?
Agentforce wins on transparency: $2 per conversation is on the public price page and easy to forecast. Sierra wins on outcome alignment: pay only for a resolved case if you can land the right contract terms. Pick Agentforce if you need a defensible number for procurement today; engage Sierra if you can dedicate eight to ten weeks to a procurement cycle for outcome-based terms.
Side by side
Agentforce
Salesforce Agentforce: $2 per conversation, published on the vendor pricing page, plus Data Cloud grounding.
Where Agentforce wins
- Defensible $2 per-conversation rate on a public page
- Negotiable with Salesforce Sales / Service Cloud renewals
- Foundations free for existing Salesforce customers
Sierra
Sierra AI: per-resolution, quote only. The vendor markets outcome-based pricing but publishes no rate. Any number must come from a sales conversation.
Where Sierra wins
- Outcome alignment: pay for resolutions, not conversations
- Specialist CX-agent vendor, not a CRM bolt-on
- Dedicated forward-deployed engineer model
Feature heatmap
Green = included on the cheapest published plan. Amber = partial or add-on. Red = not included. Grey = quote only, cannot confirm.
| Feature | Agentforce | Sierra |
|---|---|---|
| Published rate | ✓ | ✗ |
| Outcome-based unit (resolution) | ✗ | ✓ |
| Bundled with existing CRM | ✓ | ✗ |
| Forward-deployed engineer included | ✗ | ◐ |
| Forecastable from public sources alone | ✓ | ✗ |
| Self-serve trial path | ✓ | ✗ |
Resolution-rate sensitivity
At $2 per conversation, Agentforce's cost per resolved case is $2 divided by your resolution rate. If half of conversations end in a resolution, that is $4 per resolved case. A per-resolution quote from Sierra is cheaper than Agentforce only when it sits below that figure at your own resolution rate. Sierra publishes no rate, so run this with the number in your quote.
Switching cost
If you are on the wrong one
Sierra contracts are typically annual minimum commits with outcome-defined SLAs. A Salesforce shop moving to Sierra needs a 90-day data-and-integration plan plus 8 to 10 weeks of procurement cycle. The reverse (Sierra to Agentforce) is rarely seen because Salesforce shops rarely start with Sierra.
How to validate before signing
Run a fixed test corpus across both vendors for at least 30 days, log per-interaction cost in both systems, and confirm the unit of billing (conversation, resolution, message, task) matches your accounting model before committing to an annual deal.