Winterlight Assessment
Provider 
Founded 1996
Sells To Enterprise
Pricing Model Recurring, Software
Ownership Private

Winterlight Assessment extracts vocal biomarkers from speech for cognitive and psychiatric measurement in clinical trials.
Winterlight Assessment is a tablet-based speech analysis platform that extracts over 550 speech and language features using NLP and AI to measure cognition and psychiatric symptoms including depression.
Originally from Winterlight Labs (acquired by Cambridge Cognition in 2023), it supports remote clinical trials and has published research on speech patterns as biomarkers for Major Depressive Disorder, showing differences in pitch, rate, pauses, and language in treatment-resistant patients.
| Attribute | Winterlight Assessment | Kintsugi Voice | |
|---|---|---|---|
| Provider | |||
| Founded | 1996 | 2019 | |
| Sells To | Enterprise | Enterprise | |
| Pricing Model | Recurring, Software | Recurring, Software | |
| Ownership | Private | Venture-backed |
Provider 
Founded 1996
Sells To Enterprise
Pricing Model Recurring, Software
Ownership Private
Provider 
Founded 2019
Sells To Enterprise
Pricing Model Recurring, Software
Ownership Venture-backed


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Sonde Mental Fitness provides voice-enabled mental health scoring and tracking from 20-30 second voice samples.

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