HAIL.SO / DISPATCH · 2026-06-29 · COMPARE
FILE: COMPARE · 6 of 6 slots

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02

Speech to text

3 models
AssemblyAI
Universal-2
×
Speechmatics
Speechmatics Enhanced
×
AssemblyAI
Universal-Streaming
×
$/min$0.002500$0.004000$0.002500
$/min batch
Streaming
Realtime
Languages99+55+en
Diarizationextra-costincludedextra-cost
TTFW
Verified2026-05-05stale 55d2026-05-19stale 41d2026-05-05stale 55d
Sourceprovider page ↗provider page ↗provider page ↗
03

Text to speech

3 models
Deepgram
Deepgram Aura 2
×
Rime
Rime Mist v3
×
Smallest.ai
Lightning v3.1
×
$/1M chars$30.00$30.00$25.00
Voice qualityneuralneuralneural
Voice cloning✓ included
Voice count94217
Languagesen, es, de, fr, nl, it, jaenen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, or
SSML support
TTFB100ms200ms
Output formatswav, mp3, linear16, mulaw, alaw, opuspcm, wav, mp3, mulaw
Verified2026-05-19stale 41d2026-05-19stale 41d2026-05-19stale 41d
Sourceprovider page ↗provider page ↗provider page ↗