PolyAI vs Prox
Which Customer Support AI tool is better in 2026?
PolyAI
The world's most lifelike voice AI agents for enterprise customer service.
Prox
AI technical support for complex physical products
Side-by-side
PolyAI is the more established option (raised $120M); pricing is comparable on both sides.
| Metric | PolyAI | Prox |
|---|---|---|
| Taglinei | The world's most lifelike voice AI agents for enterprise customer service. | AI technical support for complex physical products |
| Foundedi | 2017🏆 | 2025 |
| HQi | London, GB | San Francisco, US |
| Employeesi | 201-500 | 1-10🏆 |
| Neuron scorei | 58🏆 | 50 |
| Total fundingi | $120M🏆 | $500K |
| Latest roundi | Series C · May 2024 | Seed · Jan 2025 |
| 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 | Pricing not listed |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for PolyAI and Prox.
| Capability | PolyAI | Prox |
|---|---|---|
| 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 $500K)
- Higher Neuron score (58 vs 50)
- Offers a free trial
- More mature (2017)
🔵 Strengths of Prox
- Newer company (2025)
Which should you choose?
Choose Prox if price matters most — it starts at Pricing not listed, 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 Prox — which is better?
It depends on your priority. PolyAI has raised more capital and is the more established option; Prox has broader feature depth. See the side-by-side table above.
Is PolyAI cheaper than Prox?
No — Prox's cheapest paid plan is Pricing not listed, while PolyAI's is Enterprise · Contact sales.
Do PolyAI and Prox offer free plans?
PolyAI: Free trial only. Prox: Paid only.
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