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
×
OpenAI
OpenAI o3
×
OpenAI
GPT-5
×
Output $/MTok$6.00$8.00$10.00
Input $/MTok$2.00$2.00$1.25
Cached input $/MTok$0.3000$0.5000$0.1250
Context window500,000200,000400,000
Output cap500,000100,000128,000
Modalitiesin: text, image / out: textin: text, image / out: textin: text, image / out: text
Tool use
Structured output
FamilyGrok 4o-seriesGPT-5
Knowledge cutoff2026-02-012024-06-012024-09-30
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
02

Speech to text

2 models
Speechmatics
Speechmatics Enhanced
×
Rev.ai
Rev.ai Whisper Fusion
×
$/min$0.002150$0.005000
$/min batch
Streaming
Realtime
Languages56+en
Diarizationincludedincluded
TTFW
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗
03

Text to speech

1 model
Smallest.ai
Lightning v3.1
×
$/1M chars$17.50
Voice qualityneural
Voice cloning✓ included
Voice count217
Languagesen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, or
SSML support
TTFB200ms
Output formatspcm, mp3, wav, ulaw, alaw
Verified2026-07-19
Sourceprovider page ↗