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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 29/33 · Observed 9/26/2026, 3:30:45 AM

NameGroupReported valueDateNotesSource
AWD-LSTM-MoS + dynamic evaluation (WT2, 2018)Unreleased—2018-09-18UnreleasedSource ↗
Transformer + Simple Recurrent UnitUnreleased—2018-09-17UnreleasedSource ↗
NetSurfP-2.0Hosted access (no API)—2018-09-10Hosted access (no API)Source ↗
(ensemble): AWD-LSTM-DOC (fin) × 5 (WT2)Open weights (unrestricted)—2018-08-30Open weights (unrestricted)Source ↗
Big Transformer for Back-TranslationOpen weights (unrestricted)—2018-08-28Open weights (unrestricted)Source ↗
AWD-LSTM-MoS+PDR + dynamic evaluation (WT2)Unreleased—2018-08-14UnreleasedSource ↗
Big-Little Net (speech)Open weights (unrestricted)—2018-07-10Open weights (unrestricted)Source ↗
Big-Little NetOpen weights (unrestricted)—2018-07-10Open weights (unrestricted)Source ↗
FTW (For The Win)Unreleased—2018-07-03UnreleasedSource ↗
Relational Memory CoreUnreleased—2018-06-05UnreleasedSource ↗
GPT-1Open weights (unrestricted)—2018-06-01Open weights (unrestricted)Source ↗
aLSTM(depth-2)+RecurrentPolicy (WT2)Unreleased—2018-05-22UnreleasedSource ↗
Dropout-LSTM+Noise(Bernoulli) (WT2)Unreleased—2018-05-03UnreleasedSource ↗
ResNeXt-101 32x48dOpen weights (non-commercial)—2018-05-02Open weights (non-commercial)Source ↗
YOLOv3Unreleased—2018-04-08UnreleasedSource ↗
4 layer QRNN (h=2500)Unreleased—2018-03-22UnreleasedSource ↗
IMPALAUnreleased—2018-02-05UnreleasedSource ↗
QRNNUnreleased—2018-02-01UnreleasedSource ↗
T-DMCAUnreleased—2018-01-30UnreleasedSource ↗
AlphaZeroUnreleased—2017-12-05UnreleasedSource ↗
DL scaling speechUnreleased—2017-12-01UnreleasedSource ↗
DL scaling LMUnreleased—2017-12-01UnreleasedSource ↗
DL scaling ImageUnreleased—2017-12-01UnreleasedSource ↗
AWD-LSTM-MoS + dynamic evaluation (WT2, 2017)Unreleased—2017-11-10UnreleasedSource ↗
VQ-VAEUnreleased—2017-11-02UnreleasedSource ↗

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