{
  "version": "v2",
  "base_model": "IndexTeam/IndexTTS-2.5",
  "fine_tuning_repo": "https://github.com/oberkayb/index-tts-2.5-ft",
  "checkpoint_file": "gpt.pth",
  "sha256": "de38009df508fd67e0abb40bb168f184b607395d9ef08675b8975767405baa2f",
  "step": 13000,
  "epoch_note": "~1.45 epochs at effective batch 32; best validation loss (5.4353) of the run, early-stopping on a 20-speaker held-out set",
  "mode": "lora",
  "lora_rank": 32,
  "lora_alpha": 64,
  "lang": "tr",
  "lang_token": "<|tr|>",
  "lang_embedding_row": 9,
  "lang_init_from": "es",
  "train_text_rows": 1530,
  "text_row_init": "subword",
  "text_lr_multiplier": 10,
  "lang_lr_multiplier": 10,
  "learning_rate": 1e-4,
  "normalizer": "turkish",
  "case": "tr_lower",
  "amp": "bf16",
  "train_hours": 486.5,
  "train_utterances": 143609,
  "train_speakers": 3652,
  "train_pairs": 286606,
  "hardware": "RTX 5070 Ti + RTX 4070 (single-process two-GPU trainer)",
  "freya_tr_eval": {"wer": 1.32, "wer_sd": 0.10, "cer": 0.26, "clean": 92.2, "utmos": 3.17},
  "previous_version": "v1/ (step 29000, 2026-08-19)",
  "exported_at": "2026-10-08"
}