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
OpenAI o3
×
OpenAI
GPT-4.1
×
Output $/MTok$8.00$8.00
Input $/MTok$2.00$2.00
Cached input $/MTok$0.5000$0.5000
Context window200,0001,047,576
Output cap100,00032,768
Modalitiesin: text, image / out: textin: text, image / out: text
Tool use
Structured output
Familyo-seriesGPT-4.1
Knowledge cutoff2024-06-012024-06-01
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗
02

Speech to text

3 models
Rev.ai
Rev.ai Reverb
×
AssemblyAI
Universal-3.5 Pro
×
Google
Chirp 2
×
$/min$0.003300$0.003500$0.016000
$/min batch
Streaming
Realtime
Languagesenen, es, fr, de, it, pt, ar, da, nl, fi, he, hi, ja, zh, no, sv, tr, vi20+
Diarizationincludedextra-costincluded
TTFW
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
03

Text to speech

1 model
OpenAI
TTS-1
×
$/1M chars$15.00
Voice qualityneural
Voice cloning
Voice count
Languagesen
SSML support
TTFB
Output formats
Verified2026-07-19
Sourceprovider page ↗