HAIL.SO / DISPATCH · 2026-07-26 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

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01

Large language models

1 model
OpenAI
GPT-4o
×
Output $/MTok$10.00
Input $/MTok$2.50
Cached input $/MTok$1.2500
Context window128,000
Output cap16,384
Modalitiesin: text, image / out: text
Tool use
Structured output
FamilyGPT-4o
Knowledge cutoff2023-10-01
Verified2026-07-19
Sourceprovider page ↗
02

Speech to text

3 models
Speechmatics
Speechmatics Enhanced
×
Speechmatics
Speechmatics Melia 1
×
OpenAI
Whisper
×
$/min$0.002150$0.002150$0.006000
$/min batch
Streaming
Realtime
Languages56+68+99+
Diarizationincludedincludedunsupported
TTFW
Verified2026-07-192026-07-192026-07-19
Sourceprovider page ↗provider page ↗provider page ↗
03

Text to speech

2 models
Smallest.ai
Lightning v3.1
×
Cartesia
Sonic Turbo
×
$/1M chars$17.50$50.00
Voice qualityneuralneural
Voice cloning✓ included✓ included
Voice count217
Languagesen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, oren, fr, de, es, pt, zh, ja, hi, ko
SSML support
TTFB200ms40ms
Output formatspcm, mp3, wav, ulaw, alaw
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗