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Decagon vs Retell AI

Updated June 2026 · A structured head-to-head comparison.

AI customer support agents for enterprises.

Build AI voice agents for phone calls.

The verdict

Both Decagon and Retell AI are credible customer support tools, and the right pick comes down to your priorities.

Decagon — AI customer support agents for enterprises.

Choose Retell AI if you'd rather have a lower starting price (free) and a free plan to start on. Build AI voice agents for phone calls.

Decagon vs Retell AI: side by side

DimensionDecagonRetell AI
Starting priceCustomFreeWinner
Free planNoYesWinner
Pricing modelSubscriptionUsage-based
Best forEnterpriseDevelopers, Smb, Enterprise
PlatformsWeb, ApiApi, Web
Rating4.6/54.5/5

Decagon key facts

Vendor
Decagon
Pricing
Subscription — Custom
Free tier
No
Platforms
Web, Api
Best for
Enterprise
Editor rating
4.6 / 5
Founded
2023
Headquarters
San Francisco, CA, USA

Retell AI key facts

Vendor
Retell AI
Pricing
Usage-based — Free
Free tier
Yes
Platforms
Api, Web
Best for
Developers, Smb, Enterprise
Editor rating
4.5 / 5
Founded
2023
Headquarters
San Francisco, CA, USA

Frequently asked questions

Is Decagon better than Retell AI?

Neither is universally better — Decagon edges ahead on overall rating, but the best choice depends on price, platforms, and your use case. See the side-by-side table above.

Is Decagon or Retell AI cheaper?

Retell AI is the more affordable of the two to get started, at free. Decagon starts at custom; Retell AI starts at free.

Can Decagon replace Retell AI?

Yes for most teams — both are customer support tools with heavily overlapping features. The main trade-offs are pricing and platform support, covered in the comparison above.