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

side by side.

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01

Large language models

2 models
xAI
Grok 4.5
×
OpenAI
OpenAI o1
×
Output $/MTok$6.00$60.00
Input $/MTok$2.00$15.00
Cached input $/MTok$0.3000$7.5000
Context window500,000200,000
Output cap500,000100,000
Modalitiesin: text, image / out: textin: text, image / out: text
Tool use
Structured output
FamilyGrok 4o-series
Knowledge cutoff2026-02-012023-10-01
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗
02

Speech to text

3 models
Speechmatics
Speechmatics Melia 1
×
Rev.ai
Rev.ai Reverb
×
OpenAI
Whisper
×
$/min$0.002150$0.003300$0.006000
$/min batch
Streaming
Realtime
Languages68+en99+
Diarizationincludedincludedunsupported
TTFW
Verified2026-07-192026-07-192026-07-19
Sourceprovider 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 ↗