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

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01

Large language models

3 models
Perplexity
Sonar
×
OpenAI
OpenAI o3
×
xAI
Grok 3
×
Output $/MTok$1.00$8.00$15.00
Input $/MTok$1.00$2.00$3.00
Cached input $/MTok$0.5000$0.7500
Context window128,000200,000131,072
Output cap8,000100,000131,072
Modalitiesin: text / out: textin: text, image / out: textin: text / out: text
Tool use
Structured output
FamilySonaro-seriesGrok 3
Knowledge cutoff2024-06-012024-11-30
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
02

Speech to text

2 models
AssemblyAI
Universal-2
×
Rev.ai
Rev.ai Whisper Fusion
×
$/min$0.002500$0.005000
$/min batch
Streaming
Realtime
Languages99+en
Diarizationextra-costincluded
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 ↗