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

side by side.

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01

Large language models

3 models
Perplexity
Sonar
×
Perplexity
Sonar Pro
×
xAI
Grok 4.5
×
Output $/MTok$1.00$15.00$6.00
Input $/MTok$1.00$3.00$2.00
Cached input $/MTok$0.3000
Context window128,000200,000500,000
Output cap8,0008,000500,000
Modalitiesin: text / out: textin: text / out: textin: text, image / out: text
Tool use
Structured output
FamilySonarSonarGrok 4
Knowledge cutoff2026-02-01
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
02

Speech to text

2 models
Rev.ai
Rev.ai Whisper Fusion
×
Speechmatics
Speechmatics Melia 1
×
$/min$0.005000$0.002150
$/min batch
Streaming
Realtime
Languagesen68+
Diarizationincludedincluded
TTFW
Verified2026-07-192026-07-19
Sourceprovider 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 ↗