HAIL.SO / DISPATCH · 2026-07-22 · COMPARE
FILE: COMPARE · 6 of 6 slots

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01

Large language models

1 model
OpenAI
GPT-4o
×
Output $/MTok$10.00
Input $/MTok$2.50
Cached input $/MTok$1.2500
Context window128,000
Output cap16,384
Modalitiesin: text, image / out: text
Tool use
Structured output
FamilyGPT-4o
Knowledge cutoff2023-10-01
Verified2026-07-19
Sourceprovider page ↗
02

Speech to text

4 models
Speechmatics
Speechmatics Enhanced
×
Rev.ai
Rev.ai Whisper Fusion
×
Gladia
Gladia Solaria-1
×
Rev.ai
Rev.ai Reverb
×
$/min$0.002150$0.005000$0.012500$0.003300
$/min batch$0.010170
Streaming
Realtime
Languages56+en100+en
Diarizationincludedincludedincludedincluded
TTFW
Verified2026-07-192026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗
03

Text to speech

1 model
Smallest.ai
Lightning v3.1 Pro
×
$/1M chars$19.50
Voice qualityneural
Voice cloning
Voice count
Languagesen, hi, mr, ta, ml, te, kn, pa, bn, or, gu, ar, zh, id, ja, ko, ms, tr, vi, de, es, fr, it, pt, ru, el, fi, no, pl
SSML support
TTFB200ms
Output formatspcm, mp3, wav, ulaw, alaw
Verified2026-07-19
Sourceprovider page ↗