{
  "schema_version": 1,
  "family": "outetts",
  "display_name": "Llama-OuteTTS 1.0",
  "description": "Llama-based open-weight TTS model for 23-language speech synthesis with one-shot voice cloning from short reference audio and automatic word-alignment support.",
  "category": "tts",
  "status": "community",
  "tasks": [
    "tts",
    "clone"
  ],
  "modes": [
    "offline"
  ],
  "languages": [
    "ar",
    "be",
    "bn",
    "de",
    "en",
    "es",
    "fa",
    "fr",
    "hu",
    "it",
    "ja",
    "ka",
    "ko",
    "lt",
    "lv",
    "nl",
    "pl",
    "pt",
    "ru",
    "sw",
    "ta",
    "uk",
    "zh"
  ],
  "capabilities": {
    "clone": [
      "speaker_reference"
    ]
  },
  "options": {
    "request": [
      {
        "name": "max_tokens",
        "type": "int",
        "description": "Maximum generated audio tokens per chunk. When omitted, OuteTTS estimates a safe value from each chunk.",
        "required": false,
        "min": 1
      },
      {
        "name": "temperature",
        "type": "float",
        "description": "Sampling temperature; default 0.4 for cloning, otherwise model config default.",
        "required": false,
        "min": 0.0
      },
      {
        "name": "top_k",
        "type": "int",
        "description": "Top-k sampling; default 40 for cloning, otherwise model config default.",
        "required": false,
        "min": 0
      },
      {
        "name": "top_p",
        "type": "float",
        "description": "Nucleus sampling in (0, 1]; default 0.9 for cloning, otherwise model config default.",
        "required": false,
        "min": 0.0,
        "max": 1.0
      },
      {
        "name": "min_p",
        "type": "float",
        "description": "Minimum probability relative to the best token; default 0.05 for cloning, otherwise model config default.",
        "required": false,
        "min": 0.0,
        "max": 1.0
      },
      {
        "name": "repetition_penalty",
        "type": "float",
        "description": "Positive windowed repetition penalty; default 1.1.",
        "required": false,
        "min": 0.0,
        "default": 1.1
      },
      {
        "name": "repetition_window",
        "type": "int",
        "description": "Recent-token penalty window; default 64.",
        "required": false,
        "min": 0,
        "default": 64
      },
      {
        "name": "seed",
        "type": "int",
        "description": "Sampling seed; cloning defaults to 4099 for native weights and 42 for quantized weights.",
        "required": false,
        "min": 0
      },
      {
        "name": "reference_text",
        "type": "string",
        "description": "Transcript matching the reference voice audio for voice cloning.",
        "required": false
      },
      {
        "name": "reference_language",
        "type": "string",
        "description": "Language code used to align the reference transcript; default en.",
        "required": false,
        "default": "en"
      },
      {
        "name": "text_chunk_size",
        "type": "int",
        "description": "Maximum UTF-8 codepoints per long-form text chunk; default 256. Chunks are split further when required by max_tokens or context budget.",
        "required": false,
        "min": 1,
        "default": 256
      },
      {
        "name": "text_chunk_mode",
        "type": "enum",
        "description": "Framework long-form text chunking mode; default word_budget.",
        "preset": "text_chunk_mode_full",
        "required": false,
        "default": "word_budget"
      }
    ],
    "session": [
      {
        "name": "weight_type",
        "type": "enum",
        "description": "Language-model weight storage type. Quantized CUDA voice cloning is expanded to F32 in memory for generation correctness.",
        "preset": "weight_type_full",
        "required": false,
        "default": "native"
      },
      {
        "name": "llama_weight_context_mb",
        "type": "int",
        "description": "Language-model weight context size in MiB; default 4096.",
        "required": false,
        "min": 1,
        "default": 4096
      },
      {
        "name": "constant_context_mb",
        "type": "int",
        "description": "Language-model constant tensor context size in MiB; default 256.",
        "required": false,
        "min": 1,
        "default": 256
      },
      {
        "name": "dac_weight_context_mb",
        "type": "int",
        "description": "DAC decoder weight context size in MiB; default 1024.",
        "required": false,
        "min": 1,
        "default": 1024
      },
      {
        "name": "dac_graph_arena_mb",
        "type": "int",
        "description": "DAC decoder graph arena size in MiB; default 1536.",
        "required": false,
        "min": 1,
        "default": 1536
      },
      {
        "name": "aligner_path",
        "type": "path",
        "description": "Optional Qwen3 Forced Aligner override. Cloning automatically uses the aligner embedded in a standalone OuteTTS GGUF when present.",
        "required": false
      },
      {
        "name": "reference_cache_slots",
        "type": "int",
        "description": "Prepared reference-profile cache slots; default 1, set 0 to disable.",
        "required": false,
        "min": 0,
        "default": 1
      },
      {
        "name": "mem_saver",
        "type": "bool",
        "description": "Release cached-step and aligner runtime state after use; default false.",
        "required": false,
        "default": false
      }
    ],
    "load": []
  },
  "runtime": {
    "tags": [
      "gguf"
    ]
  },
  "sources": [
    {
      "format": "gguf",
      "roots": {
        "model": ".",
        "weights": "$gguf"
      },
      "files": {
        "config": "model:config.json",
        "generation_config": "model:generation_config.json",
        "tokenizer": "model:tokenizer.json",
        "tokenizer_config": "model:tokenizer_config.json",
        "special_tokens_map": "model:special_tokens_map.json",
        "dac_config": "model:dac/config.json"
      },
      "optional_files": {
        "aligner_config": "model:aligner/config.json",
        "aligner_generation_config": "model:aligner/generation_config.json",
        "aligner_tokenizer_config": "model:aligner/tokenizer_config.json",
        "aligner_preprocessor_config": "model:aligner/preprocessor_config.json",
        "aligner_processor_config": "model:aligner/processor_config.json",
        "aligner_chat_template": "model:aligner/chat_template.json",
        "aligner_chat_template_jinja": "model:aligner/chat_template.jinja",
        "aligner_vocab": "model:aligner/vocab.json",
        "aligner_merges": "model:aligner/merges.txt",
        "aligner_tokenizer_json": "model:aligner/tokenizer.json"
      },
      "tensors": {
        "model_weights": {
          "source": "weights:",
          "prefix": "model_weights"
        },
        "dac_weights": {
          "source": "weights:",
          "prefix": "dac_weights"
        },
        "aligner_weights": {
          "source": "weights:",
          "prefix": "aligner_weights"
        }
      }
    },
    {
      "format": "safetensors",
      "roots": {
        "model": ".",
        "dac": "../DAC.speech.v1.0"
      },
      "files": {
        "config": "model:config.json",
        "generation_config": "model:generation_config.json",
        "tokenizer": "model:tokenizer.json",
        "tokenizer_config": "model:tokenizer_config.json",
        "special_tokens_map": "model:special_tokens_map.json",
        "dac_config": "dac:config.json"
      },
      "tensors": {
        "model_weights": "model:model.safetensors",
        "dac_weights": "dac:model.safetensors"
      }
    }
  ],
  "packages": [
    {
      "id": "outetts_1_0_1b_q8_0",
      "display_name": "Llama-OuteTTS 1.0 1B Q8_0 GGUF",
      "default": true,
      "format": "gguf",
      "precision": "q8_0",
      "target_directory": "Llama-OuteTTS-1.0-1B_Q8",
      "files": [
        "Text to audio (TTS)/Llama-OuteTTS-1.0-1B_Q8.gguf"
      ],
      "download": {
        "kind": "huggingface_snapshot",
        "repo": "mirek190/audio.cpp"
      }
    }
  ],
  "dependencies": [],
  "ui": {
    "recommended_package": "outetts_1_0_1b_q8_0",
    "tags": [
      "TTS",
      "Clone",
      "GGUF"
    ],
    "docs": [
      "docs/community_models/outetts.md",
      "docs/reports/outetts_validation.md",
      "docs/gguf.md"
    ]
  }
}