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

side by side.

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01

Large language models

3 models
OpenAI
GPT-4.1
×
Perplexity
Sonar Pro
×
Perplexity
Sonar
×
Output $/MTok$8.00$15.00$1.00
Input $/MTok$2.00$3.00$1.00
Cached input $/MTok$0.5000
Context window1,047,576200,000128,000
Output cap32,7688,0008,000
Modalitiesin: text, image / out: textin: text / out: textin: text / out: text
Tool use
Structured output
FamilyGPT-4.1SonarSonar
Knowledge cutoff2024-06-01
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
02

Speech to text

1 model
Google
Chirp 2
×
$/min$0.016000
$/min batch
Streaming
Realtime
Languages20+
Diarizationincluded
TTFW
Verified2026-07-19
Sourceprovider page ↗
03

Text to speech

2 models
Smallest.ai
Lightning v3.1 Pro
×
LMNT
LMNT Blizzard
×
$/1M chars$19.50$50.00
Voice qualityneuralneural
Voice cloning✓ included
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, pl31+
SSML support
TTFB200ms
Output formatspcm, mp3, wav, ulaw, alaw
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗