HAIL.SO / DISPATCH · 2026-07-21 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

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01

Large language models

2 models
OpenAI
GPT-5.6 Luna
×
OpenAI
GPT-5.4
×
Output $/MTok$6.00$15.00
Input $/MTok$1.00$2.50
Cached input $/MTok$0.1000$0.2500
Context window1,050,0001,050,000
Output cap128,000128,000
Modalitiesin: text, image / out: textin: text, image / out: text
Tool use
Structured output
FamilyGPT-5.6GPT-5.4
Knowledge cutoff2026-02-162025-08-31
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗
02

Speech to text

2 models
Speechmatics
Speechmatics Enhanced
×
Speechmatics
Speechmatics Melia 1
×
$/min$0.002150$0.002150
$/min batch
Streaming
Realtime
Languages56+68+
Diarizationincludedincluded
TTFW
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗
03

Text to speech

2 models
OpenAI
TTS-1
×
LMNT
LMNT Blizzard
×
$/1M chars$15.00$50.00
Voice qualityneuralneural
Voice cloning✓ included
Voice count
Languagesen31+
SSML support
TTFB
Output formats
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗