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

side by side.

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01

Large language models

3 models
OpenAI
OpenAI o3
×
OpenAI
OpenAI o1
×
OpenAI
GPT-4.1
×
Output $/MTok$8.00$60.00$8.00
Input $/MTok$2.00$15.00$2.00
Cached input $/MTok$0.5000$7.5000$0.5000
Context window200,000200,0001,047,576
Output cap100,000100,00032,768
Modalitiesin: text, image / out: textin: text, image / out: textin: text, image / out: text
Tool use
Structured output
Familyo-serieso-seriesGPT-4.1
Knowledge cutoff2024-06-012023-10-012024-06-01
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
03

Text to speech

3 models
OpenAI
TTS-1
×
Smallest.ai
Lightning v3.1
×
Smallest.ai
Lightning v3.1 Pro
×
$/1M chars$15.00$17.50$19.50
Voice qualityneuralneuralneural
Voice cloning✓ included
Voice count217
Languagesenen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, oren, 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
TTFB200ms200ms
Output formatspcm, mp3, wav, ulaw, alawpcm, mp3, wav, ulaw, alaw
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗