PolyAI vs Thena
Which Customer Support AI tool is better in 2026?
PolyAI
The world's most lifelike voice AI agents for enterprise customer service.
Thena
AI customer support platform purpose-built for B2B teams that serve customers in Slack
Side-by-side
PolyAI is the more established option (raised $120M); pricing is comparable on both sides.
| Metric | PolyAI | Thena |
|---|---|---|
| Taglinei | The world's most lifelike voice AI agents for enterprise customer service. | AI customer support platform purpose-built for B2B teams that serve customers in Slack |
| Foundedi | 2017🏆 | 2022 |
| HQi | London, GB | — |
| Employeesi | 201-500 | 11-50🏆 |
| Neuron scorei | 58🏆 | 52 |
| Total fundingi | $120M🏆 | $7.2M |
| Latest roundi | Series C · May 2024 | Pre-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 Thena.
| Capability | PolyAI | Thena |
|---|---|---|
| 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 $7.2M)
- Higher Neuron score (58 vs 52)
- More mature (2017)
🔵 Strengths of Thena
- Offers a free plan
- Newer company (2022)
Which should you choose?
Choose Thena 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 Thena — which is better?
It depends on your priority. PolyAI has raised more capital and is the more established option; Thena has broader feature depth. See the side-by-side table above.
Is PolyAI cheaper than Thena?
No — Thena's cheapest paid plan is Free, while PolyAI's is Enterprise · Contact sales.
Do PolyAI and Thena offer free plans?
PolyAI: Free trial only. Thena: Yes, has a free plan.
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