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

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01

Large language models

3 models
OpenAI
GPT-5.4
×
OpenAI
OpenAI o1
×
xAI
Grok 3
×
Output $/MTok$15.00$60.00$15.00
Input $/MTok$2.50$15.00$3.00
Cached input $/MTok$0.2500$7.5000$0.7500
Context window1,050,000200,000131,072
Output cap128,000100,000131,072
Modalitiesin: text, image / out: textin: text, image / out: textin: text / out: text
Tool use
Structured output
FamilyGPT-5.4o-seriesGrok 3
Knowledge cutoff2025-08-312023-10-012024-11-30
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
02

Speech to text

2 models
Rev.ai
Rev.ai Reverb
×
AssemblyAI
Universal-2
×
$/min$0.003300$0.002500
$/min batch
Streaming
Realtime
Languagesen99+
Diarizationincludedextra-cost
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 ↗