HAIL.SO / DISPATCH · 2026-07-24 · COMPARE
FILE: COMPARE · 6 of 6 slots

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02

Speech to text

3 models
Speechmatics
Speechmatics Melia 1
×
Rev.ai
Rev.ai Reverb
×
Speechmatics
Speechmatics Enhanced
×
$/min$0.002150$0.003300$0.002150
$/min batch
Streaming
Realtime
Languages68+en56+
Diarizationincludedincludedincluded
TTFW
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
03

Text to speech

3 models
Cartesia
Sonic Turbo
×
Smallest.ai
Lightning v3.1
×
OpenAI
TTS-1 HD
×
$/1M chars$50.00$17.50$30.00
Voice qualityneuralneuralneural
Voice cloning✓ included✓ included
Voice count217
Languagesen, fr, de, es, pt, zh, ja, hi, koen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, oren
SSML support
TTFB40ms200ms
Output formatspcm, mp3, wav, ulaw, alaw
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗