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Open-Weight Models

An open-weight model is an AI model whose trained weights are published for anyone to download. The weights are what the model learned in training. With a copy of them you can run the model on hardware you control and train it further on your own data.

Open weights are not the same as open source. Many publishers release the weights without the training data or code, and the license sets what you may do with the model. This library puts each model's full card, architecture, files, license and published evaluations on one page.

11,734Models
3,323Datasets
288Papers
7,150Publishers
12,282Sourced relationships

Updated 2026-10-20 · How the library is built

11,734 models, sorted by most downloaded.

Model · Text generation

dual-loop-qwen3.5-2b

Matthew

Official weights for the Dual-Loop Cognitive Controller on Qwen/Qwen3.5-2B ($D=2048$, Layer 11 hook, ~110M parameter deliberation adapter). The Dual-Loop Controller provides hardware-aligned, non-autoregressive System 2 deliberation directly within the latent residual stream of modern language models. It enables models to recursively deliberate in continuous hidden space without generating costly Chain-of-Thought (CoT) text tokens, eliminating KV-cache explosion and 30–60 second generation latencies. This adapter is strictly designed, calibrated, and hooked into the architectural dimensions of Qwen/Qwen3.5-2B: 1. Cognitive Matrix Helper (Tversky Elimination-by-Aspects): - Evaluates options…

Open weights mit transformers
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Model · Text classification

dummy

Yuki Takazawa

This model was trained from scratch on an unknown dataset. It achieves the following results on the evaluation set: The following hyperparameters were used during training: - learningrate: 2e-05 - trainbatchsize: 8 - evalbatchsize: 8 - lrschedulertype: linear - numepochs: 3 - Transformers 5.16.1 - Pytorch 2.11.0+cpu - Datasets 4.8.5 - Tokenizers 0.23.1

Open weights 108M parameters 512 tokens transformers
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Model · Text generation

duogpt-40m-v1

Duoia Pung

从零训练的 38.85M 参数英文小模型,消费级显卡(RTX 4060 Laptop 8GB)单卡训完。 本仓库同时提供了 GGUF 格式(由 model/litmodel.pth 直接转换,模板保持与训练一致),可直接用 Ollama 导入: scripts/chat.sh 里的三种问法: 在 Python 里直接用: - 只会做被交代的任务:给它一句裸问题(如 What is a volcano?)它不会回答;必须像上面那样把任务写清楚。 - 上下文上限 512 token:prompt + 生成长度之和;超出会报 Cannot forward sequence of length T。 - 预训练语料:TinyStoriesV2-GPT4(CDLA-Sharing-1.0)与 Children-Stories(用户自备,含 GPT 生成内容) - 本包模型权重由上述数据从零训练得到,仅供研究与个人使用;若再分发请一并保留此说明与 MODELCARD.md。

Open weights apache-2.0
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Model · Text to speech

duplexdataengine

Cheng Kuang Chang

DuDE is a full-duplex conversation TTS (text-to-speech) model that generates two speakers together from an XML dialogue. It supports turn-taking, backchannels, and overlapping speech, with a separate voice for each speaker. The output is a 24 kHz stereo WAV: speaker A on the left, speaker B on the right. DuDE first self-distills Qwen3-TTS on independent utterances to adapt a shared backbone to two interleaved channels. It is then fine-tuned on approximately 1,922 hours of synchronized Seamless Interaction conversations to learn turn-taking, backchannels, and overlapping speech. The XML frontend resolves turn dependencies into interleaved text inputs. Reference-speaker embeddings condition…

Open weights cc-by-nc-4.0 1.9B parameters
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static quants of https://huggingface.co/zime-ai/dwight-4b For a convenient overview and download list, visit our model page for this model. weighted/imatrix quants seem not to be available (by me) at this time. If they do not show up a week or so after the static ones, I have probably not planned for them. Feel free to request them by opening a Community Discussion. If you are unsure how to use GGUF files, refer to one of TheBloke's READMEs for more details, including on how to concatenate multi-part files. (sorted by size, not necessarily quality. IQ-quants are often preferable over similar sized non-IQ quants) Here is a handy graph by ikawrakow comparing some lower-quality quant And here…

Open weights apache-2.0 transformers
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DynamicVLA fine-tuned from hzxie/dynamic-vla-DOM for the R1Lite task pick up the bread bag. This is the completed 100,000-step checkpoint, with both arms represented as end-effector poses and gripper states. Use the adapted DynamicVLA code. Both this model repository and the linked source-code repository are public. The upstream DOM simulation inference script assumes a different robot/action layout; use the R1Lite deployment server described below. - model.safetensors: complete policy weights, including fine-tuned normalization buffers. - config.json: model architecture and action representation. - normalization.json: training-only statistics, split IDs, vector layout, and dataset hashes.…

Open weights other 430M parameters lerobot
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Model · Sentence similarity

e5-small-dialect2MSA

Oussama ben slama

This is a sentence-transformers model trained. It maps sentences & paragraphs to a 384-dimensional dense vector space and can be used for semantic textual similarity, semantic search, paraphrase mining, classification, clustering, and more. First install the Sentence Transformers library: Then you can load this model and run inference. Approximate statistics based on the first 100 samples: - Training and Finetuning Embedding Models with Sentence Transformers: the end-to-end guide for training or finetuning Sentence Transformer models. - Introduction to Matryoshka Embedding Models: variable-size embeddings that can be truncated with minimal quality loss. - Binary and Scalar Embedding…

Open weights 118M parameters 512 tokens sentence-transformers
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基于 Qwen2 的全模态(视频 + 音频 + 文本)大模型,支持视频时序定位(temporal grounding)与多模态开放式问答。本文档只涵盖模型调用到结果预测的推理流程。 另外需要系统装有 ffmpeg(用于从视频提取音频)。 下载 eCityOmini checkpoint: https://huggingface.co/mxxxxxxxxxxxxxxxxx/ChronusOmni checkpoint 目录内需包含 LLM 权重、tokenizer、config 以及 BEATs 语音编码器权重(BEATsiter3plusAS2MfinetunedonAS2Mcpt2.pt)。视觉塔权重已包含在 LLM checkpoint 中,无需单独下载。 输入视频路径 + 问题,一条命令完成 ffmpeg 提取音频 → 均匀抽帧 + 时间戳 → 模型推理 → 打印结果,临时音频文件自动清理: 模型按 From second{X} to second{Y}. 回答,脚本解析后打印: 即 [start, end],保留一位小数;解析失败时回退打印模型原始输出。 无外网服务器报错 couldn't connect to huggingface.co... openai/clip-vit-large-patch14 加载视觉塔时 chronus/model/multimodalencoder/oryxvit.py 会从 HuggingFace 下载 CLIP image processor 的配置文件(几 KB)。任选一种解决: 1. 运行前设置镜像:export…

Open weights
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Per-fold leave-one-subject-out (LOSO) checkpoints for the scalp-EEG vs. in-ear-EEG sleep-staging benchmark in three datasets x two modalities x up to seven models, one checkpoint per held-out subject. 386 checkpoints, 14.3 GiB. These are fine-tuned task checkpoints, not pretrained encoders. Each file is the adapter statedict selected by the best validation balanced accuracy for that fold — the test set is never used for model selection. The tree mirrors the benchmark repo's own runs/, so a download can be dropped straight into runs/ and every training/eval script resolves it unchanged: is scalp-eeg or in-ear-eeg; fold-sub-sub-XXX names the held-out test subject. Only seed1 is published.…

Open weights pytorch
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Frozen V-JEPA 2.1 tokens on LED, tokenised as k frames (histogram) (16 time bins of 1.25 ms paired into 8 tubelet tokens per cell), scored per event: each event looks up the token at its (time bin / 2, patch) and is judged with its own E15 neighbourhood patch. Routes in this repo: Pixel-AC fuses the per-event scores into one decision per pixel and chunk (integrated/ /; result.json carries the Pixel-AC metrics with the AC-only metrics under ac). Run-name suffixes: nokv = reader bypassed, lb = scalar Local branch on, vitbase = ViT-B/384 tokens. All units: 6,000 training chunks, 4 epochs, official 713 chunks at a fixed threshold of 0.5, no selection on test. Reference on the same protocol: the…

Open weights cc-by-nc-4.0 pytorch
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Local-Branch-only Parent (conly: E15 TemporalViT patch branch + fusion + classifier; no V-JEPA, no history reader), 67k params, trained on all 2,100 ED24 files for 4 epochs by yh6416. Use threshold 0.77. DND21 ROC-AUC 0.938, MESR 0.913. Code: https://github.com/whohyf/EBC-JEPA-share/tree/denoise-lora (src/ebcjepa/loradenoise, tools/loradenoise; table protocol in docs/loradenoise/HANDOFF.md). Training data: ED24 (EDformer, all 2,100 official files); generalisation test: DND21, E-MLB. - localbranchconlyparented24epoch4.pt See the code link; load with torch.load. MIT. Builds on V-JEPA 2 / 2.1 by Meta (MIT, https://dl.fbaipublicfiles.com/vjepa2/vjepa21vitbdistvitG384.pt).

Open weights mit
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Event tokenizer + frozen V-JEPA 2.1 ViT-B + per-event head; 4096 events per inference; trained on all ED24. Code: https://github.com/whohyf/EBC-JEPA-share/tree/denoise-lora (src/ebcjepa/loradenoise, tools/loradenoise; table protocol in docs/loradenoise/HANDOFF.md). Training data: ED24 (EDformer, all 2,100 official files); generalisation test: DND21, E-MLB. - trainable.pt - metrics.json - config.json trainable.pt holds only the trained tensors (event tokenizer projection, head, LoRA); they load on top of the public V-JEPA 2.1 ViT-B checkpoint (https://dl.fbaipublicfiles.com/vjepa2/vjepa21vitbdistvitG384.pt). Evaluate with tools/loradenoise/evalemlb.py --runs-dir --arms --checkpoint…

Open weights mit
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Event tokenizer + V-JEPA 2.1 ViT-B with LoRA (qkv, proj; r8) + per-event head; 4096 events per inference; trained on all ED24 with the denoising loss. Code: https://github.com/whohyf/EBC-JEPA-share/tree/denoise-lora (src/ebcjepa/loradenoise, tools/loradenoise; table protocol in docs/loradenoise/HANDOFF.md). Training data: ED24 (EDformer, all 2,100 official files); generalisation test: DND21, E-MLB. - trainable.pt - metrics.json - config.json trainable.pt holds only the trained tensors (event tokenizer projection, head, LoRA); they load on top of the public V-JEPA 2.1 ViT-B checkpoint (https://dl.fbaipublicfiles.com/vjepa2/vjepa21vitbdistvitG384.pt). Evaluate with…

Open weights mit
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Model Collections

Hand-picked starting points, each with the reason it exists.

Collection · 4 entries

Models that fit on one accelerator

Models whose publisher-reported parameter count puts them within reach of a single accelerator at common precisions. Memory needed depends on precision and serving configuration, so treat the parameter count as the starting point, not the answer.

Open-Weight Models Explained

What is an open-weight model?

An AI model whose trained weights are published for anyone to download, so it can be run, tested and fine-tuned on hardware the user controls.

Is an open-weight model the same as open source?

Not always. Open weights means the trained model can be downloaded. Open source usually also means the training code and data are available and the license allows broad reuse. Many open-weight models release the weights only.

Can I use an open-weight model commercially?

It depends on the license. Apache 2.0 and MIT allow commercial use. Other licenses limit it, for example to non-commercial use or below a set number of users. Every model page here shows its license.

How much memory does an open-weight model need?

About two bytes per parameter at 16-bit precision, so a 7-billion-parameter model needs roughly 14 GB for its weights, plus memory for the context it processes. Each model page lists its parameter count and the size of its files.

Related SAVRN Research

The hub sits beside SAVRN's market data and infrastructure research: what models cost to run, and what it takes to run them.