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
×
OpenAI
GPT-5.4
×
OpenAI
OpenAI o1
×
Output $/MTok$1.00$15.00$60.00
Input $/MTok$1.00$2.50$15.00
Cached input $/MTok$0.2500$7.5000
Context window128,0001,050,000200,000
Output cap8,000128,000100,000
Modalitiesin: text / out: textin: text, image / out: textin: text, image / out: text
Tool use
Structured output
FamilySonarGPT-5.4o-series
Knowledge cutoff2025-08-312023-10-01
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
02

Speech to text

3 models
AssemblyAI
Universal-3.5 Pro Realtime
×
Speechmatics
Speechmatics Enhanced
×
OpenAI
GPT Realtime Whisper
×
$/min$0.007500$0.002150$0.017000
$/min batch
Streaming
Realtime
Languagesen, es, fr, de, it, pt, ar, da, nl, fi, he, hi, ja, zh, no, sv, tr, vi56+99+
Diarizationextra-costincludedunsupported
TTFW
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗