HAIL.SO / DISPATCH · 2026-06-08 · COMPARE
FILE: COMPARE · 6 of 6 slots

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02

Speech to text

4 models
Speechmatics
Speechmatics Enhanced
×
Rev.ai
Rev.ai Reverb
×
AssemblyAI
Universal-2
×
AssemblyAI
Universal-Streaming
×
$/min$0.004000$0.003300$0.002500$0.002500
$/min batch
Streaming
Realtime
Languages55+en99+en
Diarizationincludedincludedextra-costextra-cost
TTFW
Verified2026-05-192026-05-192026-05-05stale 34d2026-05-05stale 34d
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗
03

Text to speech

2 models
Cartesia
Sonic 2
×
Cartesia
Sonic 3.5
×
$/1M chars$50.00$50.00
Voice qualityneuralneural
Voice cloning✓ included✓ included
Voice count
Languages15+42+
SSML support
TTFB90ms90ms
Output formatsraw/pcm_f32le, raw/pcm_s16le, raw/pcm_mulaw, raw/pcm_alaw, wav, mp3
Verified2026-05-192026-05-05stale 34d
Sourceprovider page ↗provider page ↗