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

side by side.

← all costsclear
01

Large language models

2 models
OpenAI
OpenAI o3
×
xAI
Grok 4.5
×
Output $/MTok$8.00$6.00
Input $/MTok$2.00$2.00
Cached input $/MTok$0.5000$0.3000
Context window200,000500,000
Output cap100,000500,000
Modalitiesin: text, image / out: textin: text, image / out: text
Tool use
Structured output
Familyo-seriesGrok 4
Knowledge cutoff2024-06-012026-02-01
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗
02

Speech to text

1 model
Rev.ai
Rev.ai Whisper Fusion
×
$/min$0.005000
$/min batch
Streaming
Realtime
Languagesen
Diarizationincluded
TTFW
Verified2026-07-19
Sourceprovider page ↗
03

Text to speech

3 models
Smallest.ai
Lightning v3.1
×
Deepgram
Deepgram Aura 2
×
Cartesia
Sonic Turbo
×
$/1M chars$17.50$30.00$50.00
Voice qualityneuralneuralneural
Voice cloning✓ included✓ included
Voice count217
Languagesen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, oren, es, de, fr, nl, it, jaen, fr, de, es, pt, zh, ja, hi, ko
SSML support
TTFB200ms40ms
Output formatspcm, mp3, wav, ulaw, alawwav, mp3, linear16, mulaw, alaw, opus
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗