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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.

12,579Models
3,583Datasets
291Papers
7,578Publishers
12,850Sourced relationships

Updated 2026-10-23 · How the library is built

12,579 models, sorted by most downloaded.

A trained finite-candidate decision prototype built on Qwen3-0.6B by RongxinAI. Full weights, tokenizer, training logs, frozen gold-only data and held-out predictions are included. This is a synthetic-domain research release, not a general business decision model or an official Jev reproduction. Selected arm: CE, checkpoint step 250, chosen only by development cross-entropy. This selected checkpoint contains 20 head-only plus 230 full-model updates (4,000 sampled questions); each completed training arm ran the longer 20 + 300 update budget (5,120 sampled questions). It has 596,052,993 parameters, including a shared 3,073-parameter LayerNorm/scalar scoring head. Choice, Boolean and ordinal…

Open weights apache-2.0 596M parameters
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Model · Image and text to text

LightOnOCR-3-0.8B-ONNX-web

superPDF

lightonai/LightOnOCR-3-0.8B by LightOn, converted to ONNX for superPDF, where it powers high-accuracy reading in the browser (WebGPU, superpdf.ai) and the command-line tool (default model). It runs with Transformers.js on ONNX Runtime (WebGPU), in the browser and in Node. from the unused multi-token-prediction layer). Every weight in those graphs is recomputed from LightOn's weights and written at the same place, so the graphs themselves are unchanged. asymmetric with zero points, computed with ONNX Runtime's own quantizematmul4bits); vision encoder float16. Norm weights are stored as 1 + w and the gated delta net's A as -exp(Alog), as the builder expects. - These are the same bytes as…

Open weights apache-2.0 262,144 tokens transformers.js
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Model · Image and text to text

LightOnOCR-3-4B-ONNX

superPDF

lightonai/LightOnOCR-3-4B by LightOn, converted to ONNX for superPDF, where it powers high-accuracy reading in the command-line tool and MCP server (--model 4b, model: "4b"). It runs with Transformers.js on ONNX Runtime (WebGPU), in the browser and in Node. from the unused multi-token-prediction layer). Every weight in those graphs is recomputed from LightOn's weights and written at the same place, so the graphs themselves are unchanged. asymmetric with zero points, computed with ONNX Runtime's own quantizematmul4bits); vision encoder float16. Norm weights are stored as 1 + w and the gated delta net's A as -exp(Alog), as the builder expects. - Converted by superPDF with the converter below.…

Open weights apache-2.0 262,144 tokens transformers.js
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Model · Text generation

Ling-1T-GGUF

Mohannad Amr

This quant collection REQUIRES ikllama.cpp fork to support the ik's latest SOTA quants and optimizations! Do not download these big files and expect them to run on mainline vanilla llama.cpp, ollama, LM Studio, KoboldCpp, etc! NOTE ikllama.cpp can also run your existing GGUFs from bartowski, unsloth, mradermacher, etc if you want to try it out before downloading my quants. Some of ik's new quants are supported with Nexesenex/croco.cpp fork of KoboldCPP with Windows builds for CUDA 12.9. Also check for Windows builds by Thireus here. which have been CUDA 12.8. These quants provide best in class perplexity for the given memory footprint. Shout out to Wendell and the Level1Techs crew, the…

Open weights mit
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Experimental VQ8 conversion of the official text-only pinned to a4ccd6b45c002ddb236f9cb77d52cc427482bf19. This release uses a custom ling31vq GGUF family. It requires a runtime that implements FORMAT.md; ordinary llama.cpp, Ollama and Transformers loaders do not implement this format. The ds4-dfm-rs work includes artifact readers and numerical reference tools. A complete GB10 serving backend is a subsequent development step. and final held-out evaluation are in progress. This initial publication contains the model card, format specification and original model assets; GGUF weights will be uploaded after conversion and validation. The precision policy below is the selected release policy…

Open weights mit 262,144 tokens
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Task6–9 each contain an independently fine-tuned LoRA checkpoint for the Franka GELLO demonstrations. Task4 is being prepared and will be added separately. Task5 is excluded. Each task starts independently from robbyant/lingbot-va-base at revision 68b7bc1b35da6ddc67ea94c4ceb58d768fbb3f9c. The original base is required. Do not use JAM's adapter loader or the default LingBot bimanual preset. See INFERENCE.md for downloads, installation, the GPU server, the extended GELLO client and the exact action contract. The history interface is required: it retains up to 129 real RGB observations at 15 Hz. An unmodified current-image-only JAM client does not provide the trained visual context. Task6–9…

Open weights
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static quants of https://huggingface.co/TCMLLM/Lingdan-4B-Base 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…

Open weights apache-2.0 transformers
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static quants of https://huggingface.co/TCMLLM/Lingdan-4B-R1 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…

Open weights apache-2.0 transformers
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static quants of https://huggingface.co/TCMLLM/Lingdan-8B-R1 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…

Open weights apache-2.0 transformers
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Model · Image and text to text

Lite-OmniJev

Wang

冻结 Gemma 4 E4B 基座 + 决策 LoRA,每题一次前向读出全部选项概率。 支持 Choice(2–20项)、Score(2–10级)、yes/no,覆盖文本、图像、截图、音频与视频。 API直接返回答案概率、置信度和结构化判断。 MMAU音频路由基座方案采用65.9%的实测结果;默认部署脚本采用全模态adapter。 真实模型工作台通过三类判断、图像/截图/音频/视频、cURL重放及错误恢复验证。 GGUF三档在20个公开文本案例上均与参考选答20/20一致,截图、音频和视频运行探针全部成功。 环境:Linux x8664、Python3.11、兼容CUDA13的NVIDIA驱动;FP32配方在H20 96GB实测显存约39GB。 终端B启动API和工作台: 打开本地工作台,或调用API: 每题返回probabilities、confidence及相应的choice、score或noul。 Score为从0开始的期望等级;Noul为yes的概率。部署脚本使用原始答案概率(calibration: unfitted)。 媒体通过服务端受信文件路径和SHA256引用: type也支持audio/video;视频用videoframes选择8或16帧。 GGUF截图采用RGB、长边≤1344;完整命令见gateway/GGUF.md。

Open weights cc-by-nc-sa-4.0 8B parameters 131,072 tokens transformers
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Model · Text to image

LittleBunnyGrl

AiMamis

You should use Lisa to trigger the image generation. You should use Curly black hair to trigger the image generation. You should use Long eyelashes to trigger the image generation. You should use Medium skin to trigger the image generation. Download them in the Files & versions tab.

Open weights openrail++ diffusers
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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.