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

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01

Large language models

4 models
OpenAI
GPT-5
×
OpenAI
OpenAI o1
×
OpenAI
OpenAI o3
×
Perplexity
Sonar
×
Output $/MTok$10.00$60.00$8.00$1.00
Input $/MTok$1.25$15.00$2.00$1.00
Cached input $/MTok$0.1250$7.5000$0.5000
Context window400,000200,000200,000128,000
Output cap128,000100,000100,0008,000
Modalitiesin: text, image / out: textin: text, image / out: textin: text, image / out: textin: text / out: text
Tool use
Structured output
FamilyGPT-5o-serieso-seriesSonar
Knowledge cutoff2024-09-302023-10-012024-06-01
Verified2026-07-192026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗
02

Speech to text

1 model
AssemblyAI
Universal-3.5 Pro Realtime
×
$/min$0.007500
$/min batch
Streaming
Realtime
Languagesen, es, fr, de, it, pt, ar, da, nl, fi, he, hi, ja, zh, no, sv, tr, vi
Diarizationextra-cost
TTFW
Verified2026-07-19
Sourceprovider 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 ↗