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
Perplexity
Sonar Pro
×
OpenAI
GPT-4o
×
OpenAI
GPT-5.4 mini
×
Output $/MTok$15.00$10.00$4.50
Input $/MTok$3.00$2.50$0.75
Cached input $/MTok$1.2500$0.0750
Context window200,000128,000400,000
Output cap8,00016,384128,000
Modalitiesin: text / out: textin: text, image / out: textin: text, image / out: text
Tool use
Structured output
FamilySonarGPT-4oGPT-5.4
Knowledge cutoff2023-10-012025-08-31
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
02

Speech to text

3 models
Rev.ai
Rev.ai Reverb
×
AssemblyAI
Universal-Streaming
×
Speechmatics
Speechmatics Enhanced
×
$/min$0.003300$0.002500$0.002150
$/min batch
Streaming
Realtime
Languagesenen56+
Diarizationincludedextra-costincluded
TTFW
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗