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

side by side.

← all costsclear
01

Large language models

2 models
OpenAI
GPT-4.1
×
OpenAI
GPT-4o
×
Output $/MTok$8.00$10.00
Input $/MTok$2.00$2.50
Cached input $/MTok$0.5000$1.2500
Context window1,047,576128,000
Output cap32,76816,384
Modalitiesin: text, image / out: textin: text, image / out: text
Tool use
Structured output
FamilyGPT-4.1GPT-4o
Knowledge cutoff2024-06-012023-10-01
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗
02

Speech to text

2 models
Rev.ai
Rev.ai Reverb
×
OpenAI
Whisper
×
$/min$0.003300$0.006000
$/min batch
Streaming
Realtime
Languagesen99+
Diarizationincludedunsupported
TTFW
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗
03

Text to speech

2 models
Deepgram
Deepgram Aura 2
×
Smallest.ai
Lightning v3.1
×
$/1M chars$30.00$17.50
Voice qualityneuralneural
Voice cloning✓ included
Voice count217
Languagesen, es, de, fr, nl, it, jaen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, or
SSML support
TTFB200ms
Output formatswav, mp3, linear16, mulaw, alaw, opuspcm, mp3, wav, ulaw, alaw
Verified2026-07-192026-07-19
Sourceprovider page ↗provider page ↗