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

side by side.

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01

Large language models

4 models
OpenAI
GPT-4o
×
OpenAI
GPT-5.5 Pro
×
OpenAI
OpenAI o3
×
Perplexity
Sonar
×
Output $/MTok$10.00$180.00$8.00$1.00
Input $/MTok$2.50$30.00$2.00$1.00
Cached input $/MTok$1.2500$0.5000
Context window128,0001,050,000200,000128,000
Output cap16,384128,000100,0008,000
Modalitiesin: text, image / out: textin: text, image / out: textin: text, image / out: textin: text / out: text
Tool use
Structured output
FamilyGPT-4oGPT-5.5o-seriesSonar
Knowledge cutoff2023-10-012025-12-012024-06-01
Verified2026-07-192026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗
02

Speech to text

2 models
Cartesia
Ink Whisper
×
Speechmatics
Speechmatics Melia 1
×
$/min$0.003000$0.002150
$/min batch$0.001500
Streaming
Realtime
Languages99+68+
Diarizationunsupportedincluded
TTFW
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗