HAIL.SO / DISPATCH · 2026-07-23 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

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01

Large language models

2 models
xAI
Grok 3
×
Perplexity
Sonar
×
Output $/MTok$15.00$1.00
Input $/MTok$3.00$1.00
Cached input $/MTok$0.7500
Context window131,072128,000
Output cap131,0728,000
Modalitiesin: text / out: textin: text / out: text
Tool use
Structured output
FamilyGrok 3Sonar
Knowledge cutoff2024-11-30
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗
02

Speech to text

3 models
Speechmatics
Speechmatics Enhanced
×
Rev.ai
Rev.ai Whisper Fusion
×
AssemblyAI
Universal-Streaming
×
$/min$0.002150$0.005000$0.002500
$/min batch
Streaming
Realtime
Languages56+enen
Diarizationincludedincludedextra-cost
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 ↗