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

side by side.

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01

Large language models

3 models
OpenAI
GPT-4o
×
xAI
Grok 3
×
OpenAI
GPT-5.5
×
Output $/MTok$10.00$15.00$30.00
Input $/MTok$2.50$3.00$5.00
Cached input $/MTok$1.2500$0.7500$0.5000
Context window128,000131,0721,050,000
Output cap16,384131,072128,000
Modalitiesin: text, image / out: textin: text / out: textin: text, image / out: text
Tool use
Structured output
FamilyGPT-4oGrok 3GPT-5.5
Knowledge cutoff2023-10-012024-11-302025-12-01
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
02

Speech to text

3 models
Rev.ai
Rev.ai Reverb
×
OpenAI
Whisper
×
Speechmatics
Speechmatics Enhanced
×
$/min$0.003300$0.006000$0.002150
$/min batch
Streaming
Realtime
Languagesen99+56+
Diarizationincludedunsupportedincluded
TTFW
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗