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
×
Perplexity
Sonar
×
OpenAI
OpenAI o3
×
Output $/MTok$6.00$1.00$8.00
Input $/MTok$2.00$1.00$2.00
Cached input $/MTok$0.3000$0.5000
Context window500,000128,000200,000
Output cap500,0008,000100,000
Modalitiesin: text, image / out: textin: text / out: textin: text, image / out: text
Tool use
Structured output
FamilyGrok 4Sonaro-series
Knowledge cutoff2026-02-012024-06-01
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
02

Speech to text

2 models
AssemblyAI
Universal-Streaming
×
Speechmatics
Speechmatics Melia 1
×
$/min$0.002500$0.002150
$/min batch
Streaming
Realtime
Languagesen68+
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 ↗