HAIL.SO / DISPATCH · 2026-07-25 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

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01

Large language models

4 models
OpenAI
GPT-4.1
×
Perplexity
Sonar
×
OpenAI
GPT-4o
×
xAI
Grok 4
×
Output $/MTok$8.00$1.00$10.00$15.00
Input $/MTok$2.00$1.00$2.50$3.00
Cached input $/MTok$0.5000$1.2500$0.7500
Context window1,047,576128,000128,000256,000
Output cap32,7688,00016,384256,000
Modalitiesin: text, image / out: textin: text / out: textin: text, image / out: textin: text, image / out: text
Tool use
Structured output
FamilyGPT-4.1SonarGPT-4oGrok 4
Knowledge cutoff2024-06-012023-10-012024-11-30
Verified2026-07-192026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗
02

Speech to text

2 models
AssemblyAI
Whisper-Streaming
×
Rev.ai
Rev.ai Reverb
×
$/min$0.005000$0.003300
$/min batch
Streaming
Realtime
Languages99+en
Diarizationextra-costincluded
TTFW
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗