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 841 · Page 2/34 · Sample synced 11/09, 03:30 UTC
| Name | Group | Reported value | Date | Notes | Source |
|---|---|---|---|---|---|
| Claude Fable 5.1 | API access | — | 2026-09-01 | API access | Source ↗ |
| Tencent Hy4 preview | Open weights (unrestricted) | — | 2026-08-28 | Open weights (unrestricted) | Source ↗ |
| GLM-5.3-Flash | Open weights (unrestricted) | — | 2026-08-20 | Open weights (unrestricted) | Source ↗ |
| GEN-1.5 | Unreleased | — | 2026-08-19 | Unreleased | Source ↗ |
| GLM-5.3 | Open weights (restricted use) | — | 2026-08-14 | Open weights (restricted use) | Source ↗ |
| GPT-5.6 Cyber | API access | — | 2026-08-11 | API access | Source ↗ |
| Qwen3.8-2.4T-A95B | Open weights (restricted use) | — | 2026-08-08 | Open weights (restricted use) | Source ↗ |
| Motif-3 | Open weights (unrestricted) | — | 2026-08-07 | Open weights (unrestricted) | Source ↗ |
| SeedRealtime | Hosted access (no API) | — | 2026-08-05 | Hosted access (no API) | Source ↗ |
| Muse Spark 1.2 | API access | — | 2026-08-05 | API access | Source ↗ |
| K-EXAONE 2.0 | Open weights (unrestricted) | — | 2026-07-31 | Open weights (unrestricted) | Source ↗ |
| A.X K2 | Open weights (unrestricted) | — | 2026-07-29 | Open weights (unrestricted) | Source ↗ |
| Claude Opus 5 | API access | — | 2026-07-24 | API access | Source ↗ |
| Qwen 3.8 Max | API access | — | 2026-07-19 | API access | Source ↗ |
| Kimi K3 | Open weights (non-commercial) | — | 2026-07-16 | Open weights (non-commercial) | Source ↗ |
| Inkling | Open weights (unrestricted) | — | 2026-07-15 | Open weights (unrestricted) | Source ↗ |
| Tencent Hy3 | Open weights (unrestricted) | — | 2026-07-06 | Open weights (unrestricted) | Source ↗ |
| LongCat-2.0 | Open weights (unrestricted) | — | 2026-06-29 | Open weights (unrestricted) | Source ↗ |
| Solar Open2 250B | Open weights (unrestricted) | — | 2026-06-28 | Open weights (unrestricted) | Source ↗ |
| Claude Mythos 5 | Unreleased | — | 2026-06-09 | Unreleased | Source ↗ |
| Claude Fable 5 | API access | — | 2026-06-09 | API access | Source ↗ |
| Nemotron 3 Ultra | Open weights (unrestricted) | — | 2026-06-04 | Open weights (unrestricted) | Source ↗ |
| Qwen3.7-Plus | API access | — | 2026-06-03 | API access | Source ↗ |
| MAI-Image-2.5-Flash | API access | — | 2026-06-02 | API access | Source ↗ |
| MAI-Image-2.5 | API access | — | 2026-06-02 | API access | Source ↗ |
Data: Epoch AI · CC BY · View source · Automatically synced; not an exhaustive global sample