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

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01

Large language models

4 models
OpenAI
GPT-4o
×
xAI
Grok 3
×
OpenAI
GPT-5.6 Terra
×
OpenAI
OpenAI o3
×
Output $/MTok$10.00$15.00$15.00$8.00
Input $/MTok$2.50$3.00$2.50$2.00
Cached input $/MTok$1.2500$0.7500$0.2500$0.5000
Context window128,000131,0721,050,000200,000
Output cap16,384131,072128,000100,000
Modalitiesin: text, image / out: textin: text / out: textin: text, image / out: textin: text, image / out: text
Tool use
Structured output
FamilyGPT-4oGrok 3GPT-5.6o-series
Knowledge cutoff2023-10-012024-11-302026-02-162024-06-01
Verified2026-07-192026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗
02

Speech to text

1 model
Cartesia
Ink Whisper
×
$/min$0.003000
$/min batch$0.001500
Streaming
Realtime
Languages99+
Diarizationunsupported
TTFW
Verified2026-07-19
Sourceprovider page ↗
03

Text to speech

1 model
LMNT
LMNT Blizzard
×
$/1M chars$50.00
Voice qualityneural
Voice cloning✓ included
Voice count
Languages31+
SSML support
TTFB
Output formats
Verified2026-07-19
Sourceprovider page ↗