Rime offers uniquely realistic voices with a focus on natural expressiveness.

Models

Model	Description
mistv2	Default - Updated version of mist
arcana	Expressive model with natural intonation
mist Deprecated	Fast, precise model for business applications

Mist v2\ \ Mist is Rime’s fastest model, built for high-volume, business-critical applications. Arcana\ \ Arcana is Rime’s latest and greatest model, offering a variety of ultra-realistic voices\ prioritizing authenticity and character.

Voices

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:

languages:
- name: English
  code: en-US
  voice: rime.luna
  model: arcana

Languages

As of October 29th, 2025, Rime supports the following languages:

Language	Code
English	eng
Spanish	spa
French	fra
German	ger
Hindi (Arcana only)	hin

Refer to the Rime docs for the most up-to-date reference to supported languages.

Usage

Format: rime.<speaker>:<model>

Examples:

rime.spore:arcana
rime.speaker1:mistv2
rime.voice123:mist

For a full demonstration and sample script, see below.

Rime dashboard\ \ Preview Rime voices on their dashboard Rime docs\ \ Refer to the Rime Docs for an up-to-date list of voice IDs.

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Build with Rime on SignalWire

1

Create a Space and add credit

If you don’t have one yet, you’ll need to create a SignalWire Space. Be sure to add some credit to test with.

2

Add a new Resource

Navigate to the Resources tab in your SignalWire Dashboard and click + Add New to create a new Resource.

3

Create a SWML Script

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:

version: 1.0.0
sections:
  main:
  - ai:
      prompt:
        text: |
          You're Luna, a voice from Rime's Arcana model!
          Introduce yourself, and have a conversation about programmable unified communications on the SignalWire platform.
      languages:
      - name: English
        code: en-US
        voice: rime.luna
        model: arcana

4

Buy and assign a phone number

Navigate to the Phone Numbers section of the Dashboard’s left sidebar menu.

Purchase a phone number and assign it to the desired SWML script.

[A purchased phone number showing assignment to a specified Resource.]

Assigning a phone number to the SWML Script

5

Give it a call!

Call the number you just assigned to chat with your new AI voice application on the phone.

Next steps with SWML

Now you’ve deployed your very first SignalWire voice AI application using Rime voices. Next, dive deeper into SWML to explore its capabilities!

Methods reference\ \ Documentation for all SWML methods AI in SWML\ \ Build advanced AI applications using SignalWire Markup Language Guides\ \ SWML guides and demo applications