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 20/33 · Observed 9/25/2026, 3:30:45 AM
| Name | Group | Reported value | Date | Notes | Source |
|---|---|---|---|---|---|
| FourCastNet | Unreleased | — | 2022-02-22 | Unreleased | Source ↗ |
| ST-MoE | Unreleased | — | 2022-02-17 | Unreleased | Source ↗ |
| Midjourney V1 | Hosted access (no API) | — | 2022-02-15 | Hosted access (no API) | — |
| ProteinBERT | Open weights (unrestricted) | — | 2022-02-10 | Open weights (unrestricted) | Source ↗ |
| LaMDA | Unreleased | — | 2022-02-10 | Unreleased | Source ↗ |
| GPT-NeoX-20B | Open weights (unrestricted) | — | 2022-02-09 | Open weights (unrestricted) | Source ↗ |
| RETRO-7B | Unreleased | — | 2022-02-07 | Unreleased | Source ↗ |
| AlphaCode | Unreleased | — | 2022-02-02 | Unreleased | Source ↗ |
| InstructGPT 175B | API access | — | 2022-01-27 | API access | Source ↗ |
| InstructGPT 6B | API access | — | 2022-01-27 | API access | Source ↗ |
| InstructGPT 1.3B | API access | — | 2022-01-27 | API access | Source ↗ |
| OntoProtein | Open weights (unrestricted) | — | 2022-01-23 | Open weights (unrestricted) | Source ↗ |
| AbLang (heavy sequences) | Open weights (unrestricted) | — | 2022-01-22 | Open weights (unrestricted) | Source ↗ |
| data2vec (vision) | Open weights (unrestricted) | — | 2022-01-20 | Open weights (unrestricted) | Source ↗ |
| data2vec (speech) | Open weights (unrestricted) | — | 2022-01-20 | Open weights (unrestricted) | Source ↗ |
| data2vec (language) | Open weights (unrestricted) | — | 2022-01-20 | Open weights (unrestricted) | Source ↗ |
| Detic | Open weights (unrestricted) | — | 2022-01-07 | Open weights (unrestricted) | Source ↗ |
| ERNIE-ViLG | Unreleased | — | 2021-12-31 | Unreleased | Source ↗ |
| ERNIE 3.0 Titan | Hosted access (no API) | — | 2021-12-23 | Hosted access (no API) | Source ↗ |
| XGLM-7.5B | Open weights (non-commercial) | — | 2021-12-20 | Open weights (non-commercial) | Source ↗ |
| LDM-1.45B | Open weights (unrestricted) | — | 2021-12-20 | Open weights (unrestricted) | Source ↗ |
| Contriever | Open weights (non-commercial) | — | 2021-12-16 | Open weights (non-commercial) | Source ↗ |
| LongT5 | Open weights (unrestricted) | — | 2021-12-15 | Open weights (unrestricted) | Source ↗ |
| GLaM | Unreleased | — | 2021-12-13 | Unreleased | Source ↗ |
| Gopher (280B) | Unreleased | — | 2021-12-08 | Unreleased | Source ↗ |
Data: Epoch AI · CC BY · View source · Automatically synced; not an exhaustive global sample