About this model or application
EVI combines voice interaction with an optional or required supplemental language model, depending on its version.
Family & other versions2 sources
Background for the family or other versions. These sources are counted separately from evidence for this release.
Family & other versions
Supported EVI 3/4-mini selectors and supplemental-LLM requirements.
Family & other versions
TTS/EVI access ends November 13, 2026; supported until then.
Model family catalog2
Current models
Official catalogEVI 3AvailableAPI
- Model ID
3- Released
- Not stated
- Availability
- Available
- Input
- Audio
- Output
- Audio · Text
- Deployment / access
- API
- Capabilities
- Speech generation
Config evi_version=3, default if no config is given; English; supplemental LLM optional. TTS and EVI access ends November 13, 2026 at 00:01 EST; APIs remain supported until then; account data is then permanently deleted.
EVI 4-miniAvailableAPI
- Model ID
4-mini- Released
- Not stated
- Availability
- Available
- Input
- Audio
- Output
- Audio · Text
- Deployment / access
- API
- Capabilities
- Speech generation · Multilingual
Config evi_version=4-mini; eleven languages; requires a supplemental LLM, which is not attributed to Hume. TTS and EVI access ends November 13, 2026 at 00:01 EST; APIs remain supported until then; account data is then permanently deleted.