---
library_name: jax
tags:
- simvq
- checkpoint
- legacy
- orbax
license: other
private: true
---

# SimVQ Legacy V4.5 Checkpoints

This repository is a long-term archive for legacy SimVQ V4.5 best checkpoints.
The checkpoints are retained for reproducibility and backup only; they are not
the current mainline SimVQ models.

## Contents

| Model | Source step | Metric | Checkpoint path |
| --- | ---: | ---: | --- |
| v4.5 | 1200000 | -1.4785690551839814 | `checkpoints/v4.5/best_checkpoint` |
| v4.5-mini | 920000 | -1.3404302099809233 | `checkpoints/v4.5-mini/best_checkpoint` |

The checkpoint format is Orbax/OCDBT. The original step-specific checkpoint
directories were flattened so each model exposes a direct `best_checkpoint`
directory. Original source steps are recorded in `MANIFEST.json` and each
`best_metric.json`.

## Files

- `MANIFEST.json`: archive-level metadata, source steps, paths, sizes, and
  metrics.
- `checkpoints/v4.5/best_checkpoint`: legacy V4.5 best checkpoint.
- `checkpoints/v4.5/best_metric.json`: cleaned V4.5 best metric metadata.
- `checkpoints/v4.5-mini/best_checkpoint`: legacy V4.5 mini best checkpoint.
- `checkpoints/v4.5-mini/best_metric.json`: cleaned V4.5 mini best metric
  metadata.

## Notes

Machine-local absolute paths from the original training run were removed from
the copied metric files. Evaluation samples, periodic checkpoints, logs, and
wandb artifacts are intentionally excluded.