HAIL.SO / DISPATCH · 2026-07-24 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

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01

Large language models

3 models
OpenAI
GPT-5.4
×
OpenAI
GPT-5
×
OpenAI
GPT-4o
×
Output $/MTok$15.00$10.00$10.00
Input $/MTok$2.50$1.25$2.50
Cached input $/MTok$0.2500$0.1250$1.2500
Context window1,050,000400,000128,000
Output cap128,000128,00016,384
Modalitiesin: text, image / out: textin: text, image / out: textin: text, image / out: text
Tool use
Structured output
FamilyGPT-5.4GPT-5GPT-4o
Knowledge cutoff2025-08-312024-09-302023-10-01
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
02

Speech to text

3 models
AssemblyAI
Whisper-Streaming
×
Rev.ai
Rev.ai Reverb
×
Gladia
Gladia Solaria-1
×
$/min$0.005000$0.003300$0.012500
$/min batch$0.010170
Streaming
Realtime
Languages99+en100+
Diarizationextra-costincludedincluded
TTFW
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗