# Sierra vs Talkdesk: who uses which

On usedby, 50 companies use Sierra and 47 use Talkdesk. No company is listed with both yet. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side. Latest check 2026-10-07: 95 of 97 public lines checked.

## Side by side

|  | [Sierra](https://www.usedby.ai/tools/sierra.md) | [Talkdesk](https://www.usedby.ai/tools/talkdesk.md) |
|---|---|---|
| Public customers | 50 | 47 |
| Confirmed | 37 | 31 |
| Observed | 13 | 15 |
| Signals (job posts) | 0 | 1 |
| Top industries of customers | Fintech & Payments (5), Telecommunications (3), Banking & Mortgages (2) | Banking & Mortgages (7), Fashion & Apparel (3), HR & Recruiting (2) |
| Category | Customer Service Automation | Customer Service Automation |
| Data processing terms | A data processing agreement is available. ([sierra.ai](https://sierra.ai/privacy-policy), checked 2026-10-04) | A data processing agreement is available. ([talkdesk.com](https://www.talkdesk.com/legal/dpa/), checked 2026-10-04) |
| Free trial | — | Free trial or free plan available. ([talkdesk.com](https://www.talkdesk.com/pricing/), checked 2026-10-04) |

## Published results

Reviewed stories only; usedby did not measure the figures.

- Sierra: [RunBuggy](https://www.usedby.ai/case-studies/runbuggy-sierra.md): **1,000 hours**: “Nearly 1,000 hours per month returned to exception handling and high-value work” (published 2026-02-03)
- Sierra: [Next](https://www.usedby.ai/case-studies/next-sierra.md): **6 weeks**: “Time to live 6 weeks” (published 2026-02-25)
- Talkdesk: [novobanco](https://www.usedby.ai/case-studies/novobanco-talkdesk.md): **3%**: “AI agents handle 3% of calls” (captured by usedby 2026-10-04)
- Talkdesk: [Metro Finance](https://www.usedby.ai/case-studies/metro-finance-talkdesk.md): **40%**: “they achieved a 40% reduction in operating costs” (captured by usedby 2026-10-04)

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Source: https://www.usedby.ai/compare/sierra-vs-talkdesk · How we check: https://www.usedby.ai/methodology