Models
Speech is not a button a person presses. It is a living exchange of intent, timing and voice. Evom Labs gives each direction of that exchange a dedicated model, so your product can listen with care and answer with a voice of its own.
Loli 2.0 and Loly 3.5 are designed as complementary building blocks. Use either one independently, or connect them around your own application logic to create a complete spoken interaction.
Text-to-Speech
Turns written intent into audible presence. Generate a finished file, return bytes directly, stream progressive SSE events or deliver PCM16 frame by frame over WebSocket.
At a glance
Speech-to-Text
Turns recorded or live speech into text your application can act on. Transcribe complete files, follow long jobs through NDJSON, or receive partial and committed turns in real time.
At a glance
The models do not decide what your product should say. They give your application a clear boundary for hearing and speaking, while your own logic remains at the centre.
Audio arrives as a complete recording or a continuous PCM16 stream.
The model returns a transcript, progressive chunks or real-time conversation events.
Your application applies its own context, tools, policies and response logic.
Text becomes a downloadable audio result or a stream ready for immediate playback.
Start from the interaction, not from a feature checklist. A file workflow and a live conversation can use the same model while choosing very different transports.
| When your product needs to | Start with | Delivery |
|---|---|---|
| Create a complete spoken result | Loly 3.5 | Generate or Bytes |
| Play speech while it is produced | Loly 3.5 | SSE or WebSocket |
| Transcribe one recording | Loli 2.0 | JSON response |
| Follow progress through a long recording | Loli 2.0 | NDJSON |
| React while a person is still speaking | Loli 2.0 | WebSocket |
Choose a sentence your product should hear or say, make one request work end to end, then shape the surrounding experience. The strongest voice products begin with a small interaction that feels unmistakably clear.
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