The Rime TTS engine
Text-to-speech
Text-to-speech
Rime offers uniquely realistic voices with a focus on natural expressiveness.
Mist is Rime’s fastest model, built for high-volume, business-critical applications.
Arcana is Rime’s latest and greatest model, offering a variety of ultra-realistic voices prioritizing authenticity and character.
Mist v2 is the default Rime model on the SignalWire platform. To use this model, simply set the voice ID.
To use Arcana voices, set model to arcana with the
languages
SWML method:
As of October 29th, 2025, Rime supports the following languages:
Refer to the Rime docs for the most up-to-date reference to supported languages.
Format: rime.<speaker>:<model>
Examples:
For a full demonstration and sample script, see below.
Preview Rime voices on their dashboard
Refer to the Rime Docs for an up-to-date list of voice IDs.
If you don’t have one yet, you’ll need to create a SignalWire Space. Be sure to add some credit to test with.
Navigate to the Resources tab in your SignalWire Dashboard and click + Add New to create a new Resource.
From the Resources menu, select SWML Script. Name it something fun and recognizable. Ours is titled Rime Wizard.
Next, paste the following starter script into the text box, and hit Save:
Now you’ve deployed your very first SignalWire voice AI application using Rime voices. Next, dive deeper into SWML to explore its capabilities!