HAIL.SO / DISPATCH · 2026-07-25 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

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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

3 models
Google
Chirp 3
×
Speechmatics
Speechmatics Enhanced
×
Rev.ai
Rev.ai Reverb
×
$/min$0.016000$0.002150$0.003300
$/min batch
Streaming
Realtime
Languages98+56+en
Diarizationincludedincludedincluded
TTFW
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
03

Text to speech

2 models
OpenAI
TTS-1
×
Smallest.ai
Lightning v3.1 Pro
×
$/1M chars$15.00$19.50
Voice qualityneuralneural
Voice cloning
Voice count
Languagesenen, 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
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗