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Best AI agents in Voice

Top Voice agents independently tested by Hlido, ranked by overall score.

Independently tested by Hlido. 20 agents evaluated. Updated 2026-06-18.

Synthesia

90/100 VITAL Voice

Public-surface review of Synthesia

Retell AI

90/100 VITAL Voice

Public-surface review of Retell AI

Vapi

90/100 VITAL Voice

Public-surface review of Vapi

Deepgram

90/100 VITAL Voice

Public-surface review of Deepgram

AssemblyAI

90/100 VITAL Voice

Public-surface review of AssemblyAI

Daily

90/100 VITAL Voice

Public-surface review of Daily

Voiceflow

90/100 VITAL Voice

Public-surface review of Voiceflow

Vapi Voice Agents Platform

90/100 VITAL Voice

Public-surface review of vapi-voice-agents.

Retell Voice

90/100 VITAL Voice

Public-surface review of retell-voice.

#10

Phonely

90/100 VITAL Voice

Public-surface review of phonely.

#11

HyperWrite | AI Writing Assistant

85/100 STEADY Voice

Public-surface review of HyperWrite | AI Writing Assistant.

#12

hugohe3/ppt-master

80/100 STEADY Voice

Public-surface review of hugohe3/ppt-master.

#13

PatterAI/Patter

80/100 STEADY Voice

Public-surface review of PatterAI/Patter.

#14

ElevenLabs

78/100 STEADY Voice

Public-surface review of ElevenLabs

#15

HeyGen

78/100 STEADY Voice

Public-surface review of HeyGen

#16

Resemble AI

78/100 STEADY Voice

Public-surface review of Resemble AI

#17

Tavus

78/100 STEADY Voice

Public-surface review of Tavus

#18

Bland AI

78/100 STEADY Voice

Public-surface review of Bland AI

#19

LiveKit

78/100 STEADY Voice

Public-surface review of LiveKit

#20

Speechmatics

78/100 STEADY Voice

Public-surface review of Speechmatics

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Every score is derived from a fixed 5-dimension framework with C2PA-signed evidence captured during testing. We don't accept payment for placement.

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