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-4o
×
Perplexity
Sonar
×
OpenAI
GPT-5.4
×
xAI
Grok 4.5
×
Output $/MTok$10.00$1.00$15.00$6.00
Input $/MTok$2.50$1.00$2.50$2.00
Cached input $/MTok$1.2500$0.2500$0.3000
Context window128,000128,0001,050,000500,000
Output cap16,3848,000128,000500,000
Modalitiesin: text, image / out: textin: text / out: textin: text, image / out: textin: text, image / out: text
Tool use
Structured output
FamilyGPT-4oSonarGPT-5.4Grok 4
Knowledge cutoff2023-10-012025-08-312026-02-01
Verified2026-07-192026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗
02

Speech to text

2 models
OpenAI
GPT Realtime Whisper
×
Speechmatics
Speechmatics Enhanced
×
$/min$0.017000$0.002150
$/min batch
Streaming
Realtime
Languages99+56+
Diarizationunsupportedincluded
TTFW
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗