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

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01

Large language models

4 models
xAI
Grok 4.5
×
OpenAI
GPT-5.5
×
OpenAI
OpenAI o1
×
OpenAI
GPT-4.1
×
Output $/MTok$6.00$30.00$60.00$8.00
Input $/MTok$2.00$5.00$15.00$2.00
Cached input $/MTok$0.3000$0.5000$7.5000$0.5000
Context window500,0001,050,000200,0001,047,576
Output cap500,000128,000100,00032,768
Modalitiesin: text, image / out: textin: text, image / out: textin: text, image / out: textin: text, image / out: text
Tool use
Structured output
FamilyGrok 4GPT-5.5o-seriesGPT-4.1
Knowledge cutoff2026-02-012025-12-012023-10-012024-06-01
Verified2026-07-192026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider 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

1 model
Google
Google Cloud TTS — Studio
×
$/1M chars$160.00
Voice qualityneural
Voice cloning
Voice count
Languages40+
SSML support
TTFB
Output formats
Verified2026-07-19
Sourceprovider page ↗