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

side by side.

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02

Speech to text

3 models
OpenAI
Whisper
×
Speechmatics
Speechmatics Enhanced
×
AssemblyAI
Universal-2
×
$/min$0.006000$0.002150$0.002500
$/min batch
Streaming
Realtime
Languages99+56+99+
Diarizationunsupportedincludedextra-cost
TTFW
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
03

Text to speech

3 models
Resemble AI
Resemble Chatterbox Turbo
×
Smallest.ai
Lightning v3.1
×
Deepgram
Deepgram Aura 2
×
$/1M chars$17.50$30.00
Voice qualityneuralneuralneural
Voice cloning✓ included✓ included
Voice count217
Languagesenen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, oren, es, de, fr, nl, it, ja
SSML support
TTFB200ms
Output formatspcm, mp3, wav, ulaw, alawwav, mp3, linear16, mulaw, alaw, opus
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗