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marinfold-exp146
open-athena/marinfold-exp146
marinfold-exp146 is a machine learning model from open-athena. Use it for the machine learning task on the model card, and read the license before you ship it in a product. It is set up for transformers.
Selected checkpoints from the MarinFold contacts-v1 3B experiment tracked in Open-Athena/MarinFold146. Loss is eval/tokenized/contacts-v1-val/loss, and only finished W&B runs were considered.
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Updated Jul 28, 2026
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At a glance
- Library
- transformers
- Access
- Public
- Created
- Jul 27, 2026
- Updated
- Jul 28, 2026
- SHA
- 5676e8dc
Model card
From the Hugging Face model README
MarinFold exp146 checkpoints
Selected checkpoints from the MarinFold contacts-v1 3B experiment tracked in
Open-Athena/MarinFold#146.
Loss is eval/tokenized/contacts-v1-val/loss, and only finished W&B runs were
considered.
Both checkpoint formats are retained:
hf/contains aQwen3ForCausalLMHugging Face safetensors export with the contacts-v1 tokenizer colocated with the weights.checkpoints/contains the original Levanter OCDBT checkpoint for training restart or re-export.
“Early-stop” denotes the lowest loss at an evaluation step for which a permanent Levanter checkpoint exists.
Checkpoint inventory
| Epochs | Selection | W&B run | Loss | Step | Repository paths | Full GCS sources |
|---|---|---|---|---|---|---|
| 2 | Final + checkpoint-aligned early-stop winner | prot-exp146-cv1-s01-3b-e2-lr3p162e-3-wd0p2-bs64-us-east1 | 2.926841 | 17,839 | Levanter: checkpoints/step-17839<br>HF: hf/step-17839 | Levanter: gs://marin-us-east1/checkpoints/protein/prot-exp146-cv1-s01-3b-e2-lr3p162e-3-wd0p2-bs64-us-east1/2026.07.23.01/checkpoints/step-17839/<br>HF: gs://marin-us-east1/checkpoints/protein/prot-exp146-cv1-s01-3b-e2-lr3p162e-3-wd0p2-bs64-us-east1/2026.07.23.01/hf/step-17839/ |
| 8 | Final + checkpoint-aligned early-stop winner | prot-exp146-cv1-s01-3b-e8-lr3p162e-3-wd0p4-bs256-us-east1 | 2.702478 | 17,839 | Levanter: checkpoints/step-17839<br>HF: hf/step-17839 | Levanter: gs://marin-us-east1/checkpoints/protein/prot-exp146-cv1-s01-3b-e8-lr3p162e-3-wd0p4-bs256-us-east1/2026.07.23.01/checkpoints/step-17839/<br>HF: gs://marin-us-east1/checkpoints/protein/prot-exp146-cv1-s01-3b-e8-lr3p162e-3-wd0p4-bs256-us-east1/2026.07.23.01/hf/step-17839/ |
- At 8 epochs, another run reaches a slightly lower raw evaluation loss of
2.701957at step 33,450, but no permanent checkpoint exists at that step. Its best checkpoint-aligned loss is2.708061at step 31,220, which is worse than the selected checkpoint (2.702478at step 17,839), so it is not included as an additional upload. - The dated GCS layout component is intentionally omitted from repository paths.
- Library
- transformers
- Created
- Jul 27, 2026
- Updated
- Jul 28, 2026