HAIL.SO / DISPATCH · 2026-06-26 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

← all costsclear
01

Large language models

2 models
OpenAI
OpenAI o3
×
Perplexity
Sonar
×
Output $/MTok$8.00$1.00
Input $/MTok$2.00$1.00
Cached input $/MTok$0.5000
Context window200,000128,000
Output cap100,0008,000
Modalitiesin: text, image / out: textin: text / out: text
Tool use
Structured output
Familyo-seriesSonar
Knowledge cutoff2024-06-01
Verified2026-05-17stale 40d2026-05-19stale 38d
Sourceprovider page ↗provider page ↗
02

Speech to text

2 models
AssemblyAI
Universal-2
×
AssemblyAI
Universal-Streaming
×
$/min$0.002500$0.002500
$/min batch
Streaming
Realtime
Languages99+en
Diarizationextra-costextra-cost
TTFW
Verified2026-05-05stale 52d2026-05-05stale 52d
Sourceprovider page ↗provider page ↗
03

Text to speech

2 models
Smallest.ai
Lightning v3.1
×
Deepgram
Deepgram Aura 2
×
$/1M chars$25.00$30.00
Voice qualityneuralneural
Voice cloning✓ included
Voice count217
Languagesen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, oren, es, de, fr, nl, it, ja
SSML support
TTFB200ms
Output formatspcm, wav, mp3, mulawwav, mp3, linear16, mulaw, alaw, opus
Verified2026-05-19stale 38d2026-05-19stale 38d
Sourceprovider page ↗provider page ↗