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

side by side.

← all costsclear
01

Large language models

3 models
Perplexity
Sonar
×
OpenAI
OpenAI o3
×
OpenAI
GPT-5.4
×
Output $/MTok$1.00$8.00$15.00
Input $/MTok$1.00$2.00$2.50
Cached input $/MTok$0.5000$0.2500
Context window128,000200,0001,050,000
Output cap8,000100,000128,000
Modalitiesin: text / out: textin: text, image / out: textin: text, image / out: text
Tool use
Structured output
FamilySonaro-seriesGPT-5.4
Knowledge cutoff2024-06-012025-08-31
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
02

Speech to text

1 model
AssemblyAI
Universal-Streaming
×
$/min$0.002500
$/min batch
Streaming
Realtime
Languagesen
Diarizationextra-cost
TTFW
Verified2026-07-19
Sourceprovider page ↗
03

Text to speech

2 models
Deepgram
Deepgram Aura 2
×
Smallest.ai
Lightning v3.1 Pro
×
$/1M chars$30.00$19.50
Voice qualityneuralneural
Voice cloning
Voice count
Languagesen, es, de, fr, nl, it, jaen, 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 formatswav, mp3, linear16, mulaw, alaw, opuspcm, mp3, wav, ulaw, alaw
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗