HAIL.SO / DISPATCH · 2026-07-23 · COMPARE
FILE: COMPARE · 6 of 6 slots

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01

Large language models

3 models
OpenAI
GPT-5.5
×
OpenAI
OpenAI o4-mini
×
OpenAI
OpenAI o1
×
Output $/MTok$30.00$4.40$60.00
Input $/MTok$5.00$1.10$15.00
Cached input $/MTok$0.5000$0.2750$7.5000
Context window1,050,000200,000200,000
Output cap128,000100,000100,000
Modalitiesin: text, image / out: textin: text, image / out: textin: text, image / out: text
Tool use
Structured output
FamilyGPT-5.5o-serieso-series
Knowledge cutoff2025-12-012024-06-012023-10-01
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
02

Speech to text

2 models
Rev.ai
Rev.ai Whisper Fusion
×
Rev.ai
Rev.ai Reverb
×
$/min$0.005000$0.003300
$/min batch
Streaming
Realtime
Languagesenen
Diarizationincludedincluded
TTFW
Verified2026-07-192026-07-19
Sourceprovider 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 ↗