HAIL.SO / DISPATCH · 2026-07-23 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

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01

Large language models

2 models
Perplexity
Sonar
×
OpenAI
GPT-5 nano
×
Output $/MTok$1.00$0.40
Input $/MTok$1.00$0.05
Cached input $/MTok$0.0050
Context window128,000400,000
Output cap8,000128,000
Modalitiesin: text / out: textin: text, image / out: text
Tool use
Structured output
FamilySonarGPT-5
Knowledge cutoff2024-05-31
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗
02

Speech to text

2 models
Speechmatics
Speechmatics Enhanced
×
Rev.ai
Rev.ai Whisper Fusion
×
$/min$0.002150$0.005000
$/min batch
Streaming
Realtime
Languages56+en
Diarizationincludedincluded
TTFW
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗
03

Text to speech

2 models
Smallest.ai
Lightning v3.1
×
Cartesia
Sonic Turbo
×
$/1M chars$17.50$50.00
Voice qualityneuralneural
Voice cloning✓ included✓ included
Voice count217
Languagesen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, oren, fr, de, es, pt, zh, ja, hi, ko
SSML support
TTFB200ms40ms
Output formatspcm, mp3, wav, ulaw, alaw
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗