HAIL.SO / DISPATCH · 2026-07-02 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

← all costsclear
01

Large language models

2 models
OpenAI
GPT-4o
×
Perplexity
Sonar Pro
×
Output $/MTok$10.00$15.00
Input $/MTok$2.50$3.00
Cached input $/MTok$1.2500
Context window128,000200,000
Output cap16,3848,000
Modalitiesin: text, image / out: textin: text / out: text
Tool use
Structured output
FamilyGPT-4oSonar
Knowledge cutoff2023-10-01
Verified2026-07-022026-07-02
Sourceprovider page ↗provider page ↗
02

Speech to text

2 models
Speechmatics
Speechmatics Enhanced
×
AssemblyAI
Universal-Streaming
×
$/min$0.002150$0.002500
$/min batch
Streaming
Realtime
Languages56+en
Diarizationincludedextra-cost
TTFW
Verified2026-07-022026-07-02
Sourceprovider page ↗provider page ↗
03

Text to speech

2 models
Cartesia
Sonic 2
×
Smallest.ai
Lightning v3.1
×
$/1M chars$50.00$17.50
Voice qualityneuralneural
Voice cloning✓ included✓ included
Voice count217
Languagesen, fr, de, es, pt, zh, ja, koen, hi, es, mr, kn, ta, bn, gu, te, ml, pa, or
SSML support
TTFB90ms200ms
Output formatspcm, mp3, wav, ulaw, alaw
Verified2026-07-022026-07-02
Sourceprovider page ↗provider page ↗