HAIL.SO / DISPATCH · 2026-07-21 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

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01

Large language models

4 models
OpenAI
GPT-4o
×
xAI
Grok 4.5
×
xAI
Grok 3
×
Perplexity
Sonar
×
Output $/MTok$10.00$6.00$15.00$1.00
Input $/MTok$2.50$2.00$3.00$1.00
Cached input $/MTok$1.2500$0.3000$0.7500
Context window128,000500,000131,072128,000
Output cap16,384500,000131,0728,000
Modalitiesin: text, image / out: textin: text, image / out: textin: text / out: textin: text / out: text
Tool use
Structured output
FamilyGPT-4oGrok 4Grok 3Sonar
Knowledge cutoff2023-10-012026-02-012024-11-30
Verified2026-07-192026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗
02

Speech to text

2 models
Rev.ai
Rev.ai Reverb
×
OpenAI
GPT Realtime Whisper
×
$/min$0.003300$0.017000
$/min batch
Streaming
Realtime
Languagesen99+
Diarizationincludedunsupported
TTFW
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗