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

side by side.

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01

Large language models

2 models
xAI
Grok 4.5
×
OpenAI
OpenAI o3
×
Output $/MTok$6.00$8.00
Input $/MTok$2.00$2.00
Cached input $/MTok$0.3000$0.5000
Context window500,000200,000
Output cap500,000100,000
Modalitiesin: text, image / out: textin: text, image / out: text
Tool use
Structured output
FamilyGrok 4o-series
Knowledge cutoff2026-02-012024-06-01
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗
02

Speech to text

1 model
Rev.ai
Rev.ai Reverb
×
$/min$0.003300
$/min batch
Streaming
Realtime
Languagesen
Diarizationincluded
TTFW
Verified2026-07-19
Sourceprovider page ↗
03

Text to speech

3 models
Smallest.ai
Lightning v3.1
×
Inworld
Inworld Realtime TTS 1.5 Max
×
Rime
Rime Mist v3
×
$/1M chars$17.50$35.00$30.00
Voice qualityneuralneuralneural
Voice cloning✓ included✓ included
Voice count21794
Languagesen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, oren, zh, ja, ko, ru, it, es, pt, fr, de, pl, nl, hi, he, aren
SSML support
TTFB200ms37ms
Output formatspcm, mp3, wav, ulaw, alaw
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗