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Retell Voice alternatives

Looking for an alternative to Retell Voice? Here are the top Voice agents Hlido has independently tested — scored on the same framework, ranked by evidence.

Independently tested by Hlido. 8 alternatives ranked. Updated 2026-06-14.

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Retell Voice

90/100 VITAL Voice

Public-surface review of retell-voice.

Read the full Retell Voice review ›

Top alternatives to Retell Voice

#1

Retell AI

90/100 VITAL Voice

Public-surface review of Retell AI

#2

Synthesia

90/100 VITAL Voice

Public-surface review of Synthesia

#3

Vapi

90/100 VITAL Voice

Public-surface review of Vapi

#4

Deepgram

90/100 VITAL Voice

Public-surface review of Deepgram

#5

AssemblyAI

90/100 VITAL Voice

Public-surface review of AssemblyAI

#6

Daily

90/100 VITAL Voice

Public-surface review of Daily

#7

Voiceflow

90/100 VITAL Voice

Public-surface review of Voiceflow

How Hlido compares them

Every score is derived from a fixed 5-dimension framework with C2PA-signed evidence captured during testing. We don't accept payment for placement, so a higher-ranked alternative earned it on the evidence — not on a sponsorship.

Read our methodology · All reviews · All alternatives