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

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01

Large language models

4 models
Perplexity
Sonar
×
OpenAI
GPT-5.4 nano
×
OpenAI
OpenAI o1
×
OpenAI
OpenAI o3
×
Output $/MTok$1.00$1.25$60.00$8.00
Input $/MTok$1.00$0.20$15.00$2.00
Cached input $/MTok$0.0200$7.5000$0.5000
Context window128,000400,000200,000200,000
Output cap8,000128,000100,000100,000
Modalitiesin: text / out: textin: text, image / out: textin: text, image / out: textin: text, image / out: text
Tool use
Structured output
FamilySonarGPT-5.4o-serieso-series
Knowledge cutoff2025-08-312023-10-012024-06-01
Verified2026-07-192026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗
02

Speech to text

1 model
Speechmatics
Speechmatics Melia 1
×
$/min$0.002150
$/min batch
Streaming
Realtime
Languages68+
Diarizationincluded
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 ↗