HAIL.SO / DISPATCH · 2026-07-25 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

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02

Speech to text

4 models
OpenAI
Whisper
×
AssemblyAI
Universal-2
×
Cartesia
Ink Whisper
×
Speechmatics
Speechmatics Enhanced
×
$/min$0.006000$0.002500$0.003000$0.002150
$/min batch$0.001500
Streaming
Realtime
Languages99+99+99+56+
Diarizationunsupportedextra-costunsupportedincluded
TTFW
Verified2026-07-192026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗
03

Text to speech

2 models
Cartesia
Sonic 3
×
OpenAI
TTS-1
×
$/1M chars$50.00$15.00
Voice qualityneuralneural
Voice cloning✓ included
Voice count
Languages42+en
SSML support
TTFB
Output formats
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗