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 26/33 · Observed 9/26/2026, 3:30:45 AM
| Name | Group | Reported value | Date | Notes | Source |
|---|---|---|---|---|---|
| MMLSTM (WT-2) | Unreleased | — | 2019-12-05 | Unreleased | Source ↗ |
| MMLSTM (PTB) | Unreleased | — | 2019-12-05 | Unreleased | Source ↗ |
| StarGAN v2 | Open weights (non-commercial) | — | 2019-12-04 | Open weights (non-commercial) | Source ↗ |
| StyleGAN2 | Open weights (restricted use) | — | 2019-12-03 | Open weights (restricted use) | Source ↗ |
| Transformer-XL DeFINE (141M) | Unreleased | — | 2019-11-27 | Unreleased | Source ↗ |
| Photo-Geometric Autoencoder | Open weights (unrestricted) | — | 2019-11-25 | Open weights (unrestricted) | Source ↗ |
| Transformer - LibriVox + Decoding/Rescoring | Open weights (unrestricted) | — | 2019-11-19 | Open weights (unrestricted) | Source ↗ |
| MuZero | Unreleased | — | 2019-11-19 | Unreleased | Source ↗ |
| MoCo | Open weights (non-commercial) | — | 2019-11-13 | Open weights (non-commercial) | Source ↗ |
| Noisy Student (L2) | Unreleased | — | 2019-11-11 | Unreleased | Source ↗ |
| Sandwich Transformer | Unreleased | — | 2019-11-10 | Unreleased | Source ↗ |
| CamemBERT | Open weights (unrestricted) | — | 2019-11-10 | Open weights (unrestricted) | Source ↗ |
| XLM-RoBERTa | Open weights (non-commercial) | — | 2019-11-05 | Open weights (non-commercial) | Source ↗ |
| Base LM + kNN LM + Continuous Cache | Unreleased | — | 2019-11-01 | Unreleased | Source ↗ |
| AlphaStar | Unreleased | — | 2019-10-30 | Unreleased | Source ↗ |
| BART-large | Open weights (unrestricted) | — | 2019-10-29 | Open weights (unrestricted) | Source ↗ |
| T5-11B | Open weights (unrestricted) | — | 2019-10-23 | Open weights (unrestricted) | Source ↗ |
| T5-3B | Open weights (unrestricted) | — | 2019-10-23 | Open weights (unrestricted) | Source ↗ |
| M4-50B | Unreleased | — | 2019-10-11 | Unreleased | Source ↗ |
| DistilBERT | Open weights (unrestricted) | — | 2019-10-02 | Open weights (unrestricted) | Source ↗ |
| AlphaX-1 | Unreleased | — | 2019-10-02 | Unreleased | Source ↗ |
| ALBERT | Open weights (unrestricted) | — | 2019-09-26 | Open weights (unrestricted) | Source ↗ |
| Adaptive Inputs + LayerDrop | Open weights (unrestricted) | — | 2019-09-25 | Open weights (unrestricted) | Source ↗ |
| Megatron-LM (8.3B) | Unreleased | — | 2019-09-17 | Unreleased | Source ↗ |
| Megatron-LM (1.2B) | Unreleased | — | 2019-09-17 | Unreleased | Source ↗ |
Data: Epoch AI · CC BY · View source · Automatically synced; not an exhaustive global sample