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 o4-mini
×
Output $/MTok$6.00$4.40
Input $/MTok$2.00$1.10
Cached input $/MTok$0.3000$0.2750
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 cutoff2026-02-012024-06-01
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗
02

Speech to text

2 models
Speechmatics
Speechmatics Enhanced
×
Speechmatics
Speechmatics Melia 1
×
$/min$0.002150$0.002150
$/min batch
Streaming
Realtime
Languages56+68+
Diarizationincludedincluded
TTFW
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗
03

Text to speech

2 models
Smallest.ai
Lightning v3.1 Pro
×
LMNT
LMNT Blizzard
×
$/1M chars$19.50$50.00
Voice qualityneuralneural
Voice cloning✓ included
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, pl31+
SSML support
TTFB200ms
Output formatspcm, mp3, wav, ulaw, alaw
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗