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

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01

Large language models

4 models
OpenAI
OpenAI o1
×
xAI
Grok 4.5
×
Perplexity
Sonar
×
xAI
Grok 4.3
×
Output $/MTok$60.00$6.00$1.00$2.50
Input $/MTok$15.00$2.00$1.00$1.25
Cached input $/MTok$7.5000$0.3000$0.2000
Context window200,000500,000128,0001,000,000
Output cap100,000500,0008,0001,000,000
Modalitiesin: text, image / out: textin: text, image / out: textin: text / out: textin: text, image / out: text
Tool use
Structured output
Familyo-seriesGrok 4SonarGrok 4
Knowledge cutoff2023-10-012026-02-01
Verified2026-07-192026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗
02

Speech to text

1 model
Rev.ai
Rev.ai Reverb
×
$/min$0.003300
$/min batch
Streaming
Realtime
Languagesen
Diarizationincluded
TTFW
Verified2026-07-19
Sourceprovider 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 ↗