HAIL.SO / DISPATCH · 2026-07-12 · COMPARE
FILE: COMPARE · 6 of 6 slots

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02

Speech to text

5 models
Speechmatics
Speechmatics Enhanced
×
Rev.ai
Rev.ai Reverb
×
AssemblyAI
Universal-2
×
Cartesia
Ink Whisper
×
AssemblyAI
Universal-Streaming
×
$/min$0.002150$0.003300$0.002500$0.003000$0.002500
$/min batch$0.001500
Streaming
Realtime
Languages56+en99+99+en
Diarizationincludedincludedextra-costunsupportedextra-cost
TTFW
Verified2026-07-022026-07-022026-07-022026-07-022026-07-02
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗provider page ↗
03

Text to speech

1 model
Smallest.ai
Lightning v3.1 Pro
×
$/1M chars$19.50
Voice qualityneural
Voice cloning
Voice count
Languagesen, hi
SSML support
TTFB200ms
Output formatspcm, mp3, wav, ulaw, alaw
Verified2026-07-02
Sourceprovider page ↗