HAIL.SO / DISPATCH · 2026-06-17 · COMPARE
FILE: COMPARE · 6 of 6 slots

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02

Speech to text

3 models
AssemblyAI
Universal-2
×
Rev.ai
Rev.ai Reverb
×
Speechmatics
Speechmatics Enhanced
×
$/min$0.002500$0.003300$0.004000
$/min batch
Streaming
Realtime
Languages99+en55+
Diarizationextra-costincludedincluded
TTFW
Verified2026-05-05stale 43d2026-05-192026-05-19
Sourceprovider page ↗provider page ↗provider page ↗
03

Text to speech

3 models
ElevenLabs
Eleven Flash v2.5
×
LMNT
LMNT Blizzard
×
Cartesia
Sonic 2
×
$/1M chars$50.00$50.00$50.00
Voice qualityneuralneuralneural
Voice cloning✓ included✓ included✓ included
Voice count
Languages32+31+15+
SSML support
TTFB75ms90ms
Output formatsmp3_44100_128, pcm_16000, wav_44100, opus_48000_128, ulaw_8000, alaw_8000
Verified2026-05-05stale 43d2026-05-192026-05-19
Sourceprovider page ↗provider page ↗provider page ↗