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

side by side.

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01

Large language models

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

Speech to text

2 models
Speechmatics
Speechmatics Melia 1
×
Rev.ai
Rev.ai Whisper Fusion
×
$/min$0.002150$0.005000
$/min batch
Streaming
Realtime
Languages68+en
Diarizationincludedincluded
TTFW
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗
03

Text to speech

2 models
Resemble AI
Resemble Chatterbox Turbo
×
Deepgram
Deepgram Aura 2
×
$/1M chars$30.00
Voice qualityneuralneural
Voice cloning✓ included
Voice count
Languagesenen, es, de, fr, nl, it, ja
SSML support
TTFB
Output formatswav, mp3, linear16, mulaw, alaw, opus
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗