PolyAI vs Quack
Which Customer Support AI tool is better in 2026?
PolyAI
The world's most lifelike voice AI agents for enterprise customer service.
Quack
Proactive, agentic AI platform for customer support that aims to identify and resolve customer
Side-by-side
PolyAI is the more established option (raised $120M); pricing is comparable on both sides.
| Metric | PolyAI | Quack |
|---|---|---|
| Taglinei | The world's most lifelike voice AI agents for enterprise customer service. | Proactive, agentic AI platform for customer support that aims to identify and resolve customer |
| Foundedi | 2017🏆 | 2023 |
| HQi | London, GB | — |
| Employeesi | 201-500 | 11-50🏆 |
| Neuron scorei | 58🏆 | 49 |
| Total fundingi | $120M🏆 | $7M |
| Latest roundi | Series C · May 2024 | Seed |
| Valuationi | — | — |
| Cheapest paid plani | — | Pricing not disclosed |
| Free plani | ✗ | ✓ |
| Free triali | ✓ | ✓ |
| Top tier pricei | Enterprise · Contact sales | Pricing not disclosed |
| Pricing summaryi | 1 published plans | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for PolyAI and Quack.
| Capability | PolyAI | Quack |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | 2 (JavaScript, Python) | — |
| Free plan | ✗ | ✓ |
| Free trial | ✓ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of PolyAI
- Has raised more capital ($120M vs $7M)
- Higher Neuron score (58 vs 49)
- More mature (2017)
🔵 Strengths of Quack
- Offers a free plan
- Newer company (2023)
Which should you choose?
Choose Quack if price matters most — it starts at Free, 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 PolyAI if you want the most established option — it has raised $120M, 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
PolyAI vs Quack — which is better?
It depends on your priority. PolyAI has raised more capital and is the more established option; Quack has broader feature depth. See the side-by-side table above.
Is PolyAI cheaper than Quack?
No — Quack's cheapest paid plan is Free, while PolyAI's is Enterprise · Contact sales.
Do PolyAI and Quack offer free plans?
PolyAI: Free trial only. Quack: Yes, has a free plan.
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