Fin vs Sierra
A side-by-side comparison of Fin and Sierra, two Support tools, drawn from Ignaite's continuously-verified listings.
Compared from listings verified as of
At a glance
| Attribute | Fin | Sierra |
|---|---|---|
| Category | Support | Support |
| Pricing | PAID | PAID |
| License | Proprietary | Proprietary |
| Deployment | Cloud | Cloud |
| Platforms | Web, API | Web, API |
| Model support | Multi-model | Multi-model |
| Vendor (differs) | Intercom | Sierra |
| Capabilities (differs) |
|
|
The honest brief
Fin
Outcome pricing — $0.99 only when it resolves — and runs on top of Zendesk, Salesforce, or Freshdesk, not just Intercom.
- Pay per resolution, not per seat
- No migration off your current helpdesk
- Multi-channel: chat, email, voice, social
- Performance guarantee on resolution targets
- $0.99/resolution adds up at high volume
- Real-world resolution rates below marketing
- 50-resolution monthly minimum
- Quality depends on help-center content
Sierra
Outcome-based pricing — you pay per successful resolution, not per seat or per conversation.
- Pay per resolved outcome, not flat seats
- Omnichannel: chat, voice, email, SMS, WhatsApp
- Founder pedigree (Bret Taylor, Clay Bavor)
- Heavy Fortune 500 adoption
- Enterprise-only; contracts start six figures
- Plus setup fees in the tens of thousands
- Outcome definitions are negotiated and can drift
- No self-serve or transparent pricing
When to pick which
Both cover Voice agent and Ticket deflection.
Pick Fin if you need Conversation intelligence.
- Conversation intelligence (secondary capability)
Pick Sierra if you need LLM observability and AI app builder.
- LLM observability (secondary capability)
- AI app builder (secondary capability)
Sierra leans on Voice agent as a headline capability; Fin treats it as secondary.
- Voice agent (primary capability)