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

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02

Speech to text

3 models
AssemblyAI
Universal-Streaming
×
Speechmatics
Speechmatics Enhanced
×
Speechmatics
Speechmatics Melia 1
×
$/min$0.002500$0.002150$0.002150
$/min batch
Streaming
Realtime
Languagesen56+68+
Diarizationextra-costincludedincluded
TTFW
Verified2026-07-022026-07-022026-07-02
Sourceprovider page ↗provider page ↗provider page ↗
03

Text to speech

3 models
Smallest.ai
Lightning v3.1
×
Cartesia
Sonic 2
×
Cartesia
Sonic Turbo
×
$/1M chars$17.50$50.00$50.00
Voice qualityneuralneuralneural
Voice cloning✓ included✓ included✓ included
Voice count217
Languagesen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, oren, fr, de, es, pt, zh, ja, koen, fr, de, es, pt, zh, ja, hi, ko
SSML support
TTFB200ms90ms40ms
Output formatspcm, mp3, wav, ulaw, alaw
Verified2026-07-022026-07-022026-07-02
Sourceprovider page ↗provider page ↗provider page ↗