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

side by side.

← all costsclear
01

Large language models

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

Speech to text

2 models
Rev.ai
Rev.ai Reverb
×
AssemblyAI
Whisper-Streaming
×
$/min$0.003300$0.005000
$/min batch
Streaming
Realtime
Languagesen99+
Diarizationincludedextra-cost
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 ↗