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

side by side.

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01

Large language models

1 model
xAI
Grok 4.5
×
Output $/MTok$6.00
Input $/MTok$2.00
Cached input $/MTok$0.3000
Context window500,000
Output cap500,000
Modalitiesin: text, image / out: text
Tool use
Structured output
FamilyGrok 4
Knowledge cutoff2026-02-01
Verified2026-07-19
Sourceprovider page ↗
02

Speech to text

2 models
Rev.ai
Rev.ai Reverb
×
Speechmatics
Speechmatics Enhanced
×
$/min$0.003300$0.002150
$/min batch
Streaming
Realtime
Languagesen56+
Diarizationincludedincluded
TTFW
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗
03

Text to speech

3 models
Smallest.ai
Lightning v3.1
×
OpenAI
TTS-1 HD
×
Cartesia
Sonic 2
×
$/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, orenen, fr, de, es, pt, zh, ja, ko
SSML support
TTFB200ms90ms
Output formatspcm, mp3, wav, ulaw, alaw
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗