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

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01

Large language models

5 models
OpenAI
OpenAI o1
×
xAI
Grok 4.5
×
OpenAI
OpenAI o3
×
OpenAI
OpenAI o4-mini
×
OpenAI
GPT-5.4 nano
×
Output $/MTok$60.00$6.00$8.00$4.40$1.25
Input $/MTok$15.00$2.00$2.00$1.10$0.20
Cached input $/MTok$7.5000$0.3000$0.5000$0.2750$0.0200
Context window200,000500,000200,000200,000400,000
Output cap100,000500,000100,000100,000128,000
Modalitiesin: text, image / out: textin: text, image / out: textin: text, image / out: textin: text, image / out: textin: text, image / out: text
Tool use
Structured output
Familyo-seriesGrok 4o-serieso-seriesGPT-5.4
Knowledge cutoff2023-10-012026-02-012024-06-012024-06-012025-08-31
Verified2026-07-192026-07-192026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗provider 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 ↗