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
Both vendors converge on cost-per-resolved-case if Sierra prices around $1 per resolution and Agentforce conversations end with a resolution roughly half the time (1 in 2 conversations = $4 per resolved case at $2 per conversation). Sierra wins economically when its per-resolution price is below 2x Agentforce's per-conversation price. We refuse to invent the Sierra number, so we cannot make this calculation public; do it inside your procurement sandbox with the Sierra 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.