HAIL.SO / DISPATCH · 2026-06-28 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

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01

Large language models

2 models
OpenAI
GPT-4o
×
Perplexity
Sonar
×
Output $/MTok$10.00$1.00
Input $/MTok$2.50$1.00
Cached input $/MTok$1.2500
Context window128,000128,000
Output cap16,3848,000
Modalitiesin: text, image / out: textin: text / out: text
Tool use
Structured output
FamilyGPT-4oSonar
Knowledge cutoff2023-10-01
Verified2026-05-17stale 42d2026-05-19stale 40d
Sourceprovider page ↗provider page ↗
02

Speech to text

4 models
Soniox
Soniox STT Async v4
×
AssemblyAI
Universal-2
×
Speechmatics
Speechmatics Enhanced
×
AssemblyAI
Universal-Streaming
×
$/min$0.001670$0.002500$0.004000$0.002500
$/min batch
Streaming
Realtime
Languages60+99+55+en
Diarizationincludedextra-costincludedextra-cost
TTFW
Verified2026-05-19stale 40d2026-05-05stale 54d2026-05-19stale 40d2026-05-05stale 54d
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗