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-4o
×
Output $/MTok$1.00$10.00
Input $/MTok$1.00$2.50
Cached input $/MTok$1.2500
Context window128,000128,000
Output cap8,00016,384
Modalitiesin: text / out: textin: text, image / out: text
Tool use
Structured output
FamilySonarGPT-4o
Knowledge cutoff2023-10-01
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗
02

Speech to text

3 models
Gladia
Gladia Solaria-1
×
AssemblyAI
Whisper-Streaming
×
Speechmatics
Speechmatics Enhanced
×
$/min$0.012500$0.005000$0.002150
$/min batch$0.010170
Streaming
Realtime
Languages100+99+56+
Diarizationincludedextra-costincluded
TTFW
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
03

Text to speech

1 model
Smallest.ai
Lightning v3.1 Pro
×
$/1M chars$19.50
Voice qualityneural
Voice cloning
Voice count
Languagesen, 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
Verified2026-07-19
Sourceprovider page ↗