HAIL.SO / DISPATCH · 2026-07-12 · COMPARE
FILE: COMPARE · 6 of 6 slots

side by side.

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01

Large language models

3 models
OpenAI
OpenAI o3
×
Perplexity
Sonar
×
OpenAI
GPT-5.5
×
Output $/MTok$8.00$1.00$30.00
Input $/MTok$2.00$1.00$5.00
Cached input $/MTok$0.5000$0.5000
Context window200,000128,0001,050,000
Output cap100,0008,000128,000
Modalitiesin: text, image / out: textin: text / out: textin: text, image / out: text
Tool use
Structured output
Familyo-seriesSonarGPT-5.5
Knowledge cutoff2024-06-012025-12-01
Verified2026-07-022026-07-022026-07-02
Sourceprovider page ↗provider page ↗provider page ↗
02

Speech to text

1 model
Speechmatics
Speechmatics Enhanced
×
$/min$0.002150
$/min batch
Streaming
Realtime
Languages56+
Diarizationincluded
TTFW
Verified2026-07-02
Sourceprovider page ↗
03

Text to speech

2 models
Deepgram
Deepgram Aura 2
×
Inworld
Inworld Realtime TTS 1.5 Mini
×
$/1M chars$30.00$15.00
Voice qualityneuralneural
Voice cloning✓ included
Voice count
Languagesen, es, de, fr, nl, it, jaen, zh, ja, ko, ru, it, es, pt, fr, de, pl, nl, hi, he, ar
SSML support
TTFB
Output formatswav, mp3, linear16, mulaw, alaw, opus
Verified2026-07-022026-07-02
Sourceprovider page ↗provider page ↗