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
GPT-4o
×
Perplexity
Sonar
×
Output $/MTok$10.00$1.00
Input $/MTok$2.50$1.00
Cached input $/MTok$1.2500
Context window128,000128,000
Output cap16,3848,000
Modalitiesin: text, image / out: textin: text / out: text
Tool use
Structured output
FamilyGPT-4oSonar
Knowledge cutoff2023-10-01
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗
02

Speech to text

2 models
Rev.ai
Rev.ai Whisper Fusion
×
Rev.ai
Rev.ai Reverb
×
$/min$0.005000$0.003300
$/min batch
Streaming
Realtime
Languagesenen
Diarizationincludedincluded
TTFW
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗
03

Text to speech

2 models
Resemble AI
Resemble Chatterbox Turbo
×
Smallest.ai
Lightning v3.1 Pro
×
$/1M chars$19.50
Voice qualityneuralneural
Voice cloning✓ included
Voice count
Languagesenen, hi, mr, ta, ml, te, kn, pa, bn, or, gu, ar, zh, id, ja, ko, ms, tr, vi, de, es, fr, it, pt, ru, el, fi, no, pl
SSML support
TTFB200ms
Output formatspcm, mp3, wav, ulaw, alaw
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗