HAIL.SO / DISPATCH · 2026-07-11 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

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02

Speech to text

3 models
Speechmatics
Speechmatics Enhanced
×
Rev.ai
Rev.ai Reverb
×
Microsoft Azure
Azure Speech (Batch)
×
$/min$0.002150$0.003300$0.006000
$/min batch
Streaming
Realtime
Languages56+en100+
Diarizationincludedincludedincluded
TTFW
Verified2026-07-022026-07-022026-05-19stale 53d
Sourceprovider page ↗provider page ↗provider page ↗
03

Text to speech

3 models
Smallest.ai
Lightning v3.1
×
Cartesia
Sonic 2
×
Rime
Rime Mist v3
×
$/1M chars$17.50$50.00$30.00
Voice qualityneuralneuralneural
Voice cloning✓ included✓ included
Voice count21794
Languagesen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, oren, fr, de, es, pt, zh, ja, koen
SSML support
TTFB200ms90ms37ms
Output formatspcm, mp3, wav, ulaw, alaw
Verified2026-07-022026-07-022026-07-02
Sourceprovider page ↗provider page ↗provider page ↗