HAIL.SO / DISPATCH · 2026-06-19 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

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01

Large language models

2 models
Perplexity
Sonar
×
xAI
Grok Code Fast 1
×
Output $/MTok$1.00$1.50
Input $/MTok$1.00$0.20
Cached input $/MTok$0.0200
Context window128,000256,000
Output cap8,000256,000
Modalitiesin: text / out: textin: text / out: text
Tool use
Structured output
FamilySonarGrok Code
Knowledge cutoff
Verified2026-05-19stale 31d2026-05-19stale 31d
Sourceprovider page ↗provider page ↗
02

Speech to text

2 models
Speechmatics
Speechmatics Enhanced
×
Rev.ai
Rev.ai Reverb
×
$/min$0.004000$0.003300
$/min batch
Streaming
Realtime
Languages55+en
Diarizationincludedincluded
TTFW
Verified2026-05-19stale 31d2026-05-19stale 31d
Sourceprovider page ↗provider page ↗
03

Text to speech

2 models
Deepgram
Deepgram Aura 2
×
Smallest.ai
Lightning v3.1
×
$/1M chars$30.00$25.00
Voice qualityneuralneural
Voice cloning✓ included
Voice count217
Languagesen, es, de, fr, nl, it, jaen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, or
SSML support
TTFB200ms
Output formatswav, mp3, linear16, mulaw, alaw, opuspcm, wav, mp3, mulaw
Verified2026-05-19stale 31d2026-05-19stale 31d
Sourceprovider page ↗provider page ↗