Krisp vs Sierra
Which Customer Support AI tool is better in 2026?
Krisp
Voice AI for meetings with #1 noise cancellation, accent AI, translation, and AI note taker.
Sierra
Conversational AI agents for every business
Side-by-side
Sierra is the more established option (raised $2.2B), but Krisp is cheaper to start.
| Metric | Krisp | Sierra |
|---|---|---|
| Taglinei | Voice AI for meetings with #1 noise cancellation, accent AI, translation, and AI note taker. | Conversational AI agents for every business |
| Foundedi | 2017🏆 | 2023 |
| HQi | Berkeley, US | San Francisco, US |
| Employeesi | 51-200🏆 | 100-200 |
| Neuron scorei | 48 | 89🏆 |
| Total fundingi | $17.5M | $2.2B🏆 |
| Latest roundi | Series A · Feb 2021 | Series D · May 2026 |
| Valuationi | — | $15.8B🏆 |
| Cheapest paid plani | —🏆 | — |
| Free plani | ✓ Free | ✗ |
| Free triali | ✗ | ✗ |
| Top tier pricei | Business · Contact sales | Enterprise · Contact sales |
| Pricing summaryi | 4 published plans | 1 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Krisp and Sierra.
| Capability | Krisp | Sierra |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✓ | ✗ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✓ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Krisp
- Offers a free plan
- Lower starting price ($16/mo)
- More mature (2017)
🔵 Strengths of Sierra
- Has raised more capital ($2.2B vs $17.5M)
- Higher Neuron score (89 vs 48)
- Newer company (2023)
- Verified profile
Which should you choose?
Choose Krisp if price matters most — it starts at Free · From $16/mo, which is friendlier for teams watching burn. Both AI Customer Support tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Sierra if you want the most established option — it has raised $2.2B, suggesting more runway for enterprise features, support, and long-term roadmap. For mission-critical workflows or larger teams, that stability often outweighs a lower monthly price.
Frequently asked questions
Krisp vs Sierra — which is better?
It depends on your priority. Krisp is the leaner option; Sierra has broader feature depth. See the side-by-side table above.
Is Krisp cheaper than Sierra?
Yes — Krisp's cheapest paid plan is Free, while Sierra's is Enterprise · Contact sales.
Do Krisp and Sierra offer free plans?
Krisp: Yes, has a free plan. Sierra: Paid only.
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