HAIL.SO / DISPATCH · 2026-07-22 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

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01

Large language models

2 models
Perplexity
Sonar Pro
×
OpenAI
GPT-5.5 Pro
×
Output $/MTok$15.00$180.00
Input $/MTok$3.00$30.00
Cached input $/MTok
Context window200,0001,050,000
Output cap8,000128,000
Modalitiesin: text / out: textin: text, image / out: text
Tool use
Structured output
FamilySonarGPT-5.5
Knowledge cutoff2025-12-01
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗
02

Speech to text

4 models
Rev.ai
Rev.ai Reverb
×
Rev.ai
Rev.ai Whisper Fusion
×
Speechmatics
Speechmatics Enhanced
×
AssemblyAI
Universal-Streaming
×
$/min$0.003300$0.005000$0.002150$0.002500
$/min batch
Streaming
Realtime
Languagesenen56+en
Diarizationincludedincludedincludedextra-cost
TTFW
Verified2026-07-192026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗