# Model Card

- Source: [https://arxiv.org/abs/2509.02046](https://arxiv.org/abs/2509.02046)
- Optimizer: `scion`
- Model size: `300m`
- Data size: `24B`

## Best configuration

| Hyperparameter | Value |
|---|---|
| beta1 | `0.98` |
| decay | `0.8` |
| learning_rate | `0.008` |
| lr_schedule | `linear` |
| max_grad_norm | `2` |
| min_lr_ratio | `0` |
| momentum | `0.95` |
| scion_epsilon | `1e-05` |
| scion_to_signum_lr | `0.1` |
| train_batch_size | `128` |
| warmup | `0` |
| weight_decay | `0.1` |