Open weights trend
Open-weight models / tracked models with known accessibility per publication month. Unknown accessibility is not closed source, and open weights do not imply a fully open-source license.
Open weights trend
Total 821 · Page 28/33 · Observed 9/26/2026, 3:30:45 AM
| Name | Group | Reported value | Date | Notes | Source |
|---|---|---|---|---|---|
| BERT-Large-CAS (PTB+WT2+WT103) | Unreleased | — | 2019-04-20 | Unreleased | Source ↗ |
| Transformer-XL + RMS dynamic eval | Unreleased | — | 2019-04-17 | Unreleased | Source ↗ |
| WeNet (Penn Treebank) | Unreleased | — | 2019-04-08 | Unreleased | Source ↗ |
| True-Regularization+Finetune+Dynamic-Eval | Unreleased | — | 2019-04-08 | Unreleased | Source ↗ |
| Cross-lingual alignment | Open weights (unrestricted) | — | 2019-04-04 | Open weights (unrestricted) | Source ↗ |
| SciBERT | Open weights (unrestricted) | — | 2019-03-26 | Open weights (unrestricted) | Source ↗ |
| NMT Transformer 437M | Unreleased | — | 2019-02-28 | Unreleased | Source ↗ |
| KataGo | Open weights (unrestricted) | — | 2019-02-27 | Open weights (unrestricted) | Source ↗ |
| GPT-2 (1.5B) | Open weights (unrestricted) | — | 2019-02-14 | Open weights (unrestricted) | Source ↗ |
| SDE | Unreleased | — | 2019-02-09 | Unreleased | Source ↗ |
| Hanabi 4 player | Unreleased | — | 2019-02-01 | Unreleased | Source ↗ |
| MT-DNN | Open weights (unrestricted) | — | 2019-01-31 | Open weights (unrestricted) | Source ↗ |
| Transformer-XL (257M) | Open weights (unrestricted) | — | 2019-01-09 | Open weights (unrestricted) | Source ↗ |
| Transformer ELMo | Unreleased | — | 2019-01-01 | Unreleased | Source ↗ |
| StyleGAN | Open weights (non-commercial) | — | 2018-12-12 | Open weights (non-commercial) | Source ↗ |
| SPN (ImageNet 128) | Unreleased | — | 2018-12-04 | Unreleased | Source ↗ |
| Multi-cell LSTM | Unreleased | — | 2018-11-15 | Unreleased | Source ↗ |
| Fine-tuned-AWD-LSTM-DOC (fin) | Unreleased | — | 2018-11-12 | Unreleased | Source ↗ |
| Mesh-TensorFlow Transformer 4.9B (language) | Unreleased | — | 2018-11-05 | Unreleased | Source ↗ |
| Mesh-TensorFlow Transformer 2.9B (translation) | Unreleased | — | 2018-11-05 | Unreleased | Source ↗ |
| MemoReader | Unreleased | — | 2018-10-31 | Unreleased | Source ↗ |
| TrellisNet | Unreleased | — | 2018-10-15 | Unreleased | Source ↗ |
| BERT-Large | Open weights (unrestricted) | — | 2018-10-11 | Open weights (unrestricted) | Source ↗ |
| Transformer (Adaptive Input Embeddings) WT103 | Open weights (unrestricted) | — | 2018-09-28 | Open weights (unrestricted) | Source ↗ |
| LSTM+NeuralCache | Unreleased | — | 2018-09-24 | Unreleased | Source ↗ |
Data: Epoch AI · CC BY · View source · Automatically synced; not an exhaustive global sample