Fin vs Sierra — Pricing, Plans, and Verified Costs (2026)
Both Fin and Sierra use custom pricing — request quotes from each to compare.
How pricing works
These two tools don't price the same way, so the headline numbers below aren't directly comparable until you plug in your own volume.
- Fin (Per Usage) — Fin bills purely on usage. There is no fixed per-seat fee, so the monthly cost depends entirely on how much you consume.
- Sierra (Per Usage) — Sierra bills purely on usage. There is no fixed per-seat fee, so the monthly cost depends entirely on how much you consume.
Per-minute, per-credit and per-token rates exclude any downstream model, speech or telephony costs unless the vendor states otherwise.
Intercom's AI customer support agent. Priced separately from Intercom's core plans: $0.99 per resolved conversation (usage-based). Popular with SMBs and mid-market that already use Intercom for messaging and want to add AI autonomous resolution.
AI-native customer experience platform founded by Bret Taylor (ex-Salesforce COO) and Clay Bavor (ex-Google). Positioned to compete with Ada + Decagon at the strategic enterprise level. All pricing custom-quoted, reported deals $200K-1M+/year. Customers include WeightWatchers, SonderMind, SoFi.
All plans compared
| Tier role | Plan | Fin monthly | Fin annual | Sierra monthly | Sierra annual |
|---|---|---|---|---|---|
| Entry paid | Fin AI Agent / — | $0.99 | $0.99 | — | — |
| Enterprise | — / Enterprise | — | — | Custom | Custom |
Tier names differ across vendors. Rows are aligned by tier role, not name. Full tier structures on each tool's page.
What each is best for
Fin is worth it if… 99 per resolved conversation). At scale, it's cheaper than salary equivalents; at low volume, it's cheaper than Ada or Decagon (which have $100K+ minimums).
Sierra is worth it if… Sierra is only worth engaging with if you're a mid-market or enterprise support org running a serious evaluation of autonomous AI agents — the co-founders' pedigree (Bret Taylor ex-Salesforce COO) opens doors that other startups can't. Deal size $200K-1M+/year.
Bottom line: Similar positioning, closer to a preference call than a strategic one.
Choose Fin over Sierra if…
Choose Fin if…
- You want to pay only for actual usage (per usage, custom pricing).
- You match the profile Fin is built for: you already run Intercom and want to plug in an autonomous AI agent priced per resolution ($0.
- You need a general-purpose customer support option rather than a vertical-specific one.
Choose Sierra if…
- You want to pay only for actual usage (per usage, custom pricing).
- You match the profile Sierra is built for: only worth engaging with if you're a mid-market or enterprise support org running a serious evaluation of autonomous AI agents — the co-founders' pedigree (Bret Taylor ex-Salesforce COO) opens doors that other startups can't.
- You need a general-purpose customer support option rather than a vertical-specific one.
At a glance
| Fin | Sierra | |
|---|---|---|
| Free plan | No | No |
| Entry price | Custom | Custom |
| Enterprise available | No | Yes |
| Pricing model | Per Usage | Per Usage |
| Last verified | — | September 20, 2026 |
| Full pricing | View full pricing | View full pricing |
Pricing last verified September 20, 2026. Tracked daily.