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

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01

Large language models

3 models
xAI
Grok 4.5
×
OpenAI
GPT-5
×
Perplexity
Sonar
×
Output $/MTok$6.00$10.00$1.00
Input $/MTok$2.00$1.25$1.00
Cached input $/MTok$0.3000$0.1250
Context window500,000400,000128,000
Output cap500,000128,0008,000
Modalitiesin: text, image / out: textin: text, image / out: textin: text / out: text
Tool use
Structured output
FamilyGrok 4GPT-5Sonar
Knowledge cutoff2026-02-012024-09-30
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
02

Speech to text

2 models
Rev.ai
Rev.ai Reverb
×
Cartesia
Ink Whisper
×
$/min$0.003300$0.003000
$/min batch$0.001500
Streaming
Realtime
Languagesen99+
Diarizationincludedunsupported
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 ↗