Decagon vs Thena
Which Customer Support AI tool is better in 2026?
Decagon
AI agents that actually solve customer problems
Thena
AI customer support platform purpose-built for B2B teams that serve customers in Slack
Side-by-side
Decagon is the more established option (raised $546M); pricing is comparable on both sides.
| Metric | Decagon | Thena |
|---|---|---|
| Taglinei | AI agents that actually solve customer problems | AI customer support platform purpose-built for B2B teams that serve customers in Slack |
| Foundedi | 2023 | 2022🏆 |
| HQi | San Francisco, US | — |
| Employeesi | 50-200 | 11-50🏆 |
| Neuron scorei | 64🏆 | 52 |
| Total fundingi | $546M🏆 | $7.2M |
| Latest roundi | Series D · Jan 2026 | Pre-Seed |
| Valuationi | $4.5B🏆 | — |
| 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 Decagon and Thena.
| Capability | Decagon | Thena |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✗ | ✓ |
| Free trial | ✗ | ✓ |
| Verified | ✓ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Decagon
- Has raised more capital ($546M vs $7.2M)
- Higher Neuron score (64 vs 52)
- Newer company (2023)
- Verified profile
🔵 Strengths of Thena
- Offers a free plan
- Offers a free trial
- More mature (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 Decagon if you want the most established option — it has raised $546M, 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
Decagon vs Thena — which is better?
It depends on your priority. Decagon has raised more capital and is the more established option; Thena has broader feature depth. See the side-by-side table above.
Is Decagon cheaper than Thena?
No — Thena's cheapest paid plan is Free, while Decagon's is Enterprise · Contact sales.
Do Decagon and Thena offer free plans?
Decagon: Paid only. Thena: Yes, has a free plan.
Explore more AI Customer Support tools
Contextual paths to related AI startups, deals and rankings.