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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

Open weights trend2024-10-01: 36.36%; 2024-11-01: 25.00%; 2024-12-01: 46.15%; 2025-01-01: 50.00%; 2025-02-01: 0.00%; 2025-03-01: 50.00%; 2025-04-01: 50.00%; 2025-05-01: 14.29%; 2025-06-01: 25.00%; 2025-07-01: 70.00%; 2025-08-01: 36.36%; 2025-09-01: 50.00%; 2025-10-01: 50.00%; 2025-11-01: 21.05%; 2025-12-01: 66.67%; 2026-01-01: 0.00%; 2026-02-01: 55.56%; 2026-03-01: 11.11%; 2026-04-01: 47.06%; 2026-05-01: 0.00%; 2026-06-01: 44.44%; 2026-07-01: 71.43%; 2026-08-01: 50.00%; 2026-09-01: 8.33%035.771.42024-10-01: 36.36 %2024-11-01: 25.00 %2024-12-01: 46.15 %2025-01-01: 50.00 %2025-02-01: 0.00 %2025-03-01: 50.00 %2025-04-01: 50.00 %2025-05-01: 14.29 %2025-06-01: 25.00 %2025-07-01: 70.00 %2025-08-01: 36.36 %2025-09-01: 50.00 %2025-10-01: 50.00 %2025-11-01: 21.05 %2025-12-01: 66.67 %2026-01-01: 0.00 %2026-02-01: 55.56 %2026-03-01: 11.11 %2026-04-01: 47.06 %2026-05-01: 0.00 %2026-06-01: 44.44 %2026-07-01: 71.43 %2026-08-01: 50.00 %2026-09-01: 8.33 %10/0109/01 UTC

Total 821 · Page 23/33 · Observed 9/25/2026, 3:30:45 AM

NameGroupReported valueDateNotesSource
CogViewOpen weights (unrestricted)—2021-05-26Open weights (unrestricted)Source ↗
MedBERTUnreleased—2021-05-20UnreleasedSource ↗
ADMOpen weights (non-commercial)—2021-05-11Open weights (non-commercial)Source ↗
ProtT5-XL-U50Open weights (non-commercial)—2021-05-04Open weights (non-commercial)Source ↗
ProtBERT-BFDOpen weights (unrestricted)—2021-05-04Open weights (unrestricted)Source ↗
PLUGHosted access (no API)—2021-04-19Hosted access (no API)Source ↗
UnicornOpen weights (unrestricted)—2021-03-24Open weights (unrestricted)Source ↗
M6-TUnreleased—2021-03-05UnreleasedSource ↗
Generative BSTOpen weights (unrestricted)—2021-03-05Open weights (unrestricted)Source ↗
Meta Pseudo LabelsUnreleased—2021-03-01UnreleasedSource ↗
SRU++ LargeOpen weights (unrestricted)—2021-02-24Open weights (unrestricted)Source ↗
Rational DQN AverageUnreleased—2021-02-18UnreleasedSource ↗
MSA TransformerOpen weights (unrestricted)—2021-02-13Open weights (unrestricted)Source ↗
top-down frozen classifierUnreleased—2021-02-09UnreleasedSource ↗
DLWPUnreleased—2021-02-09UnreleasedSource ↗
DeiT-BOpen weights (unrestricted)—2021-01-15Open weights (unrestricted)Source ↗
SwitchOpen weights (unrestricted)—2021-01-11Open weights (unrestricted)Source ↗
BigSSLUnreleased—2021-01-10UnreleasedSource ↗
DALL-EAPI access—2021-01-05API accessSource ↗
CLIP (ViT L/14@336px)Open weights (unrestricted)—2021-01-05Open weights (unrestricted)Source ↗
CLIP (ResNet-50)Open weights (unrestricted)—2021-01-05Open weights (unrestricted)Source ↗
ERNIE-Doc (247M)Open weights (unrestricted)—2020-12-31Open weights (unrestricted)Source ↗
CT-MoS (WT2)Unreleased—2020-12-25UnreleasedSource ↗
DensePhrasesOpen weights (unrestricted)—2020-12-23Open weights (unrestricted)Source ↗
VQGAN + CLIPOpen weights (unrestricted)—2020-12-17Open weights (unrestricted)Source ↗

Data: Epoch AI · CC BY · View source · Automatically synced; not an exhaustive global sample