HAIL.SO / DISPATCH · 2026-07-23 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

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01

Large language models

3 models
OpenAI
GPT-5.4 Pro
×
OpenAI
GPT-5
×
OpenAI
GPT-5.5
×
Output $/MTok$180.00$10.00$30.00
Input $/MTok$30.00$1.25$5.00
Cached input $/MTok$0.1250$0.5000
Context window1,050,000400,0001,050,000
Output cap128,000128,000128,000
Modalitiesin: text, image / out: textin: text, image / out: textin: text, image / out: text
Tool use
Structured output
FamilyGPT-5.4GPT-5GPT-5.5
Knowledge cutoff2025-08-312024-09-302025-12-01
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
02

Speech to text

3 models
Speechmatics
Speechmatics Melia 1
×
Speechmatics
Speechmatics Enhanced
×
Rev.ai
Rev.ai Reverb
×
$/min$0.002150$0.002150$0.003300
$/min batch
Streaming
Realtime
Languages68+56+en
Diarizationincludedincludedincluded
TTFW
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗