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
OpenAI
OpenAI o3
×
xAI
Grok 4.5
×
OpenAI
GPT-5.5
×
Output $/MTok$8.00$6.00$30.00
Input $/MTok$2.00$2.00$5.00
Cached input $/MTok$0.5000$0.3000$0.5000
Context window200,000500,0001,050,000
Output cap100,000500,000128,000
Modalitiesin: text, image / out: textin: text, image / out: textin: text, image / out: text
Tool use
Structured output
Familyo-seriesGrok 4GPT-5.5
Knowledge cutoff2024-06-012026-02-012025-12-01
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
02

Speech to text

3 models
Speechmatics
Speechmatics Enhanced
×
AssemblyAI
Universal-3.5 Pro
×
Speechmatics
Speechmatics Melia 1
×
$/min$0.002150$0.003500$0.002150
$/min batch
Streaming
Realtime
Languages56+en, es, fr, de, it, pt, ar, da, nl, fi, he, hi, ja, zh, no, sv, tr, vi68+
Diarizationincludedextra-costincluded
TTFW
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗