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

side by side.

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01

Large language models

4 models
Perplexity
Sonar
×
OpenAI
GPT-4.1
×
OpenAI
OpenAI o1
×
OpenAI
GPT-5.4
×
Output $/MTok$1.00$8.00$60.00$15.00
Input $/MTok$1.00$2.00$15.00$2.50
Cached input $/MTok$0.5000$7.5000$0.2500
Context window128,0001,047,576200,0001,050,000
Output cap8,00032,768100,000128,000
Modalitiesin: text / out: textin: text, image / out: textin: text, image / out: textin: text, image / out: text
Tool use
Structured output
FamilySonarGPT-4.1o-seriesGPT-5.4
Knowledge cutoff2024-06-012023-10-012025-08-31
Verified2026-07-192026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗
03

Text to speech

2 models
OpenAI
TTS-1
×
Smallest.ai
Lightning v3.1 Pro
×
$/1M chars$15.00$19.50
Voice qualityneuralneural
Voice cloning
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 ↗