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List Models

Get a list of available TTS models.
GET

Response

{
  "data": [
    {
      "id": "kugel-1-turbo",
      "name": "Kugel 1 Turbo",
      "description": "Fast, low-latency model optimized for real-time applications",
      "parameters": "1.5B",
      "max_input_length": 4096,
      "sample_rate": 24000,
      "features": ["streaming", "low_latency"],
      "status": "stable"
    },
    {
      "id": "kugel-1",
      "name": "Kugel 1",
      "description": "Premium quality model for pre-recorded content",
      "parameters": "7B",
      "max_input_length": 8192,
      "sample_rate": 24000,
      "features": ["streaming", "high_quality", "voice_cloning"],
      "status": "stable"
    }
  ]
}

Example

curl -X GET "https://api.kugelaudio.com/v1/models" \
  -H "Authorization: Bearer YOUR_API_KEY"

Model Object

Fields

FieldTypeDescription
idstringModel identifier (use in API calls)
namestringHuman-readable name
descriptionstringModel description
parametersstringParameter count (e.g., “1.5B”, “7B”)
max_input_lengthintegerMaximum input text length in characters
sample_rateintegerOutput audio sample rate in Hz
featuresarraySupported features
statusstringModel status: stable, beta, deprecated

Features

FeatureDescription
streamingSupports streaming output
low_latencyOptimized for low latency
high_qualityOptimized for audio quality
voice_cloningSupports voice cloning
multilingualEnhanced multilingual support

Model Comparison

ModelParametersLatencyQualityBest For
kugel-1-turbo1.5B~39ms TTFA★★★★☆Real-time apps
kugel-17B~77ms TTFA★★★★★Premium content

Choosing a Model

  • Voice agents and conversational AI
  • Real-time streaming from LLMs
  • High-volume production workloads
  • Interactive applications
  • Audiobook production
  • Podcast generation
  • Marketing content
  • Voice cloning applications
  • When quality is the top priority

Model Limits

kugel-1-turbo

LimitValue
Max input length4,096 characters
Max output length2,048 tokens (~30 seconds)
Concurrent streamsPlan-dependent

kugel-1

LimitValue
Max input length8,192 characters
Max output length4,096 tokens (~60 seconds)
Concurrent streamsPlan-dependent
For longer content, split your text into chunks and generate sequentially.