gemini_whisper_ipa

Fine-tuned openai/whisper-small for Santali IPA/Sanlish transliteration (speech-to-text).

Last updated: 2026-08-29T23:56:15.284469Z — after epoch 20.0

Dataset split (80/10/10)

• train: 1547
• validation: 193
• test: 194

Latest evaluation metrics (epoch 20.0)

• test_loss: 0.4051657021045685
• test_wer: 40.782828282828284

Training hyperparameters

• per_device_train_batch_size: 8
• gradient_accumulation_steps: 2
• effective_batch_size: 16
• learning_rate: 0.0001
• warmup_steps: 100
• num_train_epochs: 20
• gradient_checkpointing: True
• fp16: True
• eval_strategy: IntervalStrategy.EPOCH
• save_strategy: SaveStrategy.EPOCH
• save_total_limit: 2
• load_best_model_at_end: True
• metric_for_best_model: wer
• predict_with_generate: True
• generation_max_length: 225