{
  "family": "moss_tts_nano",
  "display_name": "MOSS-TTS-Nano",
  "description": "Compact deployment-first MOSS-TTS model for real-time multilingual speech generation, lightweight integration, and zero-shot voice cloning.",
  "category": "tts",
  "status": "supported",
  "tasks": [
    "tts",
    "clone"
  ],
  "modes": [
    "offline",
    "streaming"
  ],
  "languages": [
    "ar",
    "cs",
    "da",
    "de",
    "el",
    "en",
    "es",
    "fa",
    "fr",
    "hu",
    "it",
    "ja",
    "ko",
    "pl",
    "pt",
    "ru",
    "sv",
    "tr",
    "zh"
  ],
  "options": {
    "request": [
      {
        "name": "reference_text",
        "type": "string",
        "description": "Transcript for reference audio; a nonempty value requires voice reference audio.",
        "required": false,
        "default": ""
      },
      {
        "name": "max_tokens",
        "type": "int",
        "description": "Maximum generated audio frames.",
        "required": false,
        "min": 1,
        "default": 300
      },
      {
        "name": "active_codebooks",
        "type": "int",
        "description": "Active codebooks; defaults to the checkpoint n_vq. Must not exceed checkpoint n_vq; omitted uses n_vq.",
        "required": false,
        "min": 1
      },
      {
        "name": "do_sample",
        "type": "bool",
        "description": "Enable sampling.",
        "required": false,
        "default": true
      },
      {
        "name": "temperature",
        "type": "float",
        "description": "Audio sampling temperature. Must be positive, including when do_sample=false.",
        "required": false,
        "default": 1.7
      },
      {
        "name": "top_p",
        "type": "float",
        "description": "Audio nucleus sampling probability.",
        "required": false,
        "default": 0.8,
        "min": 0,
        "max": 1
      },
      {
        "name": "top_k",
        "type": "int",
        "description": "Audio top-k sampling limit.",
        "required": false,
        "default": 25,
        "min": 0
      },
      {
        "name": "repetition_penalty",
        "type": "float",
        "description": "Audio repetition penalty. Must be positive.",
        "required": false,
        "default": 1
      },
      {
        "name": "text_temperature",
        "type": "float",
        "description": "Text sampling temperature. Must be positive, including when do_sample=false.",
        "required": false,
        "default": 1.5
      },
      {
        "name": "text_top_p",
        "type": "float",
        "description": "Text nucleus sampling probability.",
        "required": false,
        "default": 1,
        "min": 0,
        "max": 1
      },
      {
        "name": "text_top_k",
        "type": "int",
        "description": "Text top-k sampling limit.",
        "required": false,
        "default": 50,
        "min": 0
      },
      {
        "name": "seed",
        "type": "int",
        "description": "Sampling seed; omitted chooses a random seed.",
        "required": false,
        "min": 0,
        "max": 4294967295
      },
      {
        "name": "text_chunk_size",
        "type": "int",
        "description": "Framework long-form text chunk size; default 50 when hanzi, kana and Hangul outnumber other letters and digits, otherwise 256.",
        "required": false,
        "min": 1
      },
      {
        "name": "text_chunk_mode",
        "type": "enum",
        "description": "Framework text chunking mode.",
        "required": false,
        "values": [
          "default",
          "tag_aware",
          "japanese",
          "endline"
        ],
        "default": "default"
      }
    ],
    "session": [
      {
        "name": "weight_type",
        "type": "enum",
        "description": "Weight storage type.",
        "required": false,
        "preset": "weight_type_full",
        "default": "native"
      },
      {
        "name": "global_weight_type",
        "type": "enum",
        "description": "Global transformer weight storage; inherits weight_type.",
        "required": false,
        "preset": "weight_type_full"
      },
      {
        "name": "local_frame_weight_type",
        "type": "enum",
        "description": "Local frame decoder weight storage; inherits weight_type.",
        "required": false,
        "preset": "weight_type_full"
      },
      {
        "name": "prefill_mode",
        "type": "enum",
        "description": "How prompt rows are forwarded: one batched graph (default, fast) or one row at a time through the decode graph. single_row keeps quantized runs on a single kernel family for numerical self-consistency at a one-time prefill latency cost; see the model docs' quantization notes.",
        "required": false,
        "values": [
          "batched",
          "single_row"
        ],
        "default": "batched"
      },
      {
        "name": "global_prefill_graph_arena_mb",
        "type": "int",
        "description": "Context or graph arena size in MiB.",
        "required": false,
        "min": 1,
        "default": 256
      },
      {
        "name": "global_decode_graph_arena_mb",
        "type": "int",
        "description": "Context or graph arena size in MiB.",
        "required": false,
        "min": 1,
        "default": 128
      },
      {
        "name": "global_weight_context_mb",
        "type": "int",
        "description": "Context or graph arena size in MiB.",
        "required": false,
        "min": 1,
        "default": 512
      },
      {
        "name": "local_frame_graph_arena_mb",
        "type": "int",
        "description": "Context or graph arena size in MiB.",
        "required": false,
        "min": 1,
        "default": 64
      },
      {
        "name": "local_frame_weight_context_mb",
        "type": "int",
        "description": "Context or graph arena size in MiB.",
        "required": false,
        "min": 1,
        "default": 128
      },
      {
        "name": "audio_tokenizer_encoder_graph_arena_mb",
        "type": "int",
        "description": "Context or graph arena size in MiB.",
        "required": false,
        "min": 1,
        "default": 64
      },
      {
        "name": "audio_tokenizer_decoder_graph_arena_mb",
        "type": "int",
        "description": "Context or graph arena size in MiB.",
        "required": false,
        "min": 1,
        "default": 64
      },
      {
        "name": "audio_tokenizer_weight_context_mb",
        "type": "int",
        "description": "Context or graph arena size in MiB.",
        "required": false,
        "min": 1,
        "default": 128
      }
    ],
    "load": []
  },
  "capabilities": {
    "clone": [
      "speaker_reference"
    ]
  },
  "runtime": {
    "tags": [
      "gguf"
    ]
  },
  "ui": {
    "recommended_package": "moss_tts_nano_100m_q8_0",
    "tags": [
      "TTS",
      "Clone",
      "GGUF"
    ],
    "docs": [
      "docs/models/moss_tts_nano.md",
      "docs/tts.md",
      "docs/gguf.md"
    ]
  },
  "package_defaults": {
    "download": {
      "kind": "huggingface_snapshot",
      "repo": "audio-cpp/audio.cpp-gguf",
      "revision": "main",
      "gated": false
    }
  },
  "packages": [
    {
      "id": "moss_tts_nano_100m_q8_0",
      "display_name": "MOSS-TTS-Nano 100M Q8_0 GGUF",
      "default": true,
      "format": "gguf",
      "precision": "q8_0",
      "target_directory": "MOSS-TTS-Nano-100M-GGUF",
      "files": [
        "MOSS-TTS-Nano-100M-GGUF/moss-tts-nano-100m-q8_0.gguf"
      ],
      "strip_prefix": "MOSS-TTS-Nano-100M-GGUF"
    },
    {
      "id": "moss_tts_nano_100m_bf16",
      "display_name": "MOSS-TTS-Nano 100M BF16 GGUF",
      "format": "gguf",
      "precision": "bf16",
      "target_directory": "MOSS-TTS-Nano-100M-GGUF",
      "files": [
        "MOSS-TTS-Nano-100M-GGUF/moss-tts-nano-100m-bf16.gguf"
      ],
      "strip_prefix": "MOSS-TTS-Nano-100M-GGUF"
    }
  ],
  "sources": [
    {
      "format": "gguf",
      "roots": {
        "model": ".",
        "weights": "$gguf"
      },
      "files": {
        "config": "model:config.json",
        "tokenizer_config": "model:tokenizer_config.json",
        "tokenizer_model": "model:tokenizer.model",
        "audio_tokenizer_config": "model:audio_tokenizer/config.json"
      },
      "tensors": {
        "model_weights": {
          "source": "weights:",
          "prefix": "model_weights"
        },
        "audio_tokenizer_weights": {
          "source": "weights:",
          "prefix": "audio_tokenizer_weights"
        }
      }
    },
    {
      "format": "safetensors",
      "roots": {
        "model": ".",
        "audio_tokenizer": "audio_tokenizer"
      },
      "files": {
        "config": "model:config.json",
        "tokenizer_config": "model:tokenizer_config.json",
        "tokenizer_model": "model:tokenizer.model",
        "audio_tokenizer_config": "audio_tokenizer:config.json"
      },
      "tensors": {
        "model_weights": "model:model.safetensors",
        "audio_tokenizer_weights": "audio_tokenizer:model.safetensors.index.json"
      }
    }
  ]
}