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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.

2,760Models
859Datasets
254Papers
1,692Publishers
5,040Sourced relationships

Updated 2026-09-18 · How the library is built

2,760 models, sorted by most downloaded.

Model · Feature extraction

tiny-audio-granite-qwen

Alex Kroman

This is the model card of a transformers model that has been pushed on the Hub. Users (both direct and downstream) should be made aware of the risks, biases and limitations of the model. Use the code below to get started with the model. Carbon emissions can be estimated using the Machine Learning Impact calculator presented in Lacoste et al. (2019).

Open weights 1.9B parameters transformers
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Qwen2.5-1.5B-Instruct fine-tuned as an offline agricultural advisory assistant (crop diagnosis, fertilizer/market calculations, pest guidance) for smallholder farmers and extension officers. Fine-tuned from Qwen/Qwen2.5-1.5B-Instruct, converted to GGUF, and quantized for offline CPU inference via llama.cpp.

Open weights apache-2.0
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Reformatted Task 4.1 release used for external evaluation: datht/vlegal The paper contains the split sizes, training configuration, evaluation-set sizes, and reported results; they are not repeated here. - adaptermodel.safetensors — final CEFC-RFT LoRA weights; - adapterconfig.json — PEFT adapter configuration; - cefcrunconfig.json — exact controller and final-run configuration; - cefctrainingmetadata.json — metadata for the weighted LoRA continuation run; - selectionstate.json — exported selection state from the CEFC-RFT run; - calibratecefcstagegates.py — validation-only Stage-gate replay script; - chattemplate.jinja, tokenizer.json, tokenizerconfig.json, specialtokensmap.json…

Open weights apache-2.0 peft
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Qwen2.5-1.5B-Instruct fine-tuned as an offline patient-education and triage-support assistant. Not a diagnostic tool — designed to explain health information, flag red-flag symptoms, and defer specific dosing questions to a qualified clinician or pharmacist. Fine-tuned from Qwen/Qwen2.5-1.5B-Instruct, converted to GGUF, and quantized for offline CPU inference via llama.cpp.

Open weights apache-2.0
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SmolVLA is a compact, efficient vision-language-action model that achieves competitive performance at reduced computational costs and can be deployed on consumer-grade hardware. This policy has been trained and pushed to the Hub using LeRobot. Learn how to train and run it in the LeRobot smolvla guide, or browse the full documentation. The policy consumes these observation features and produces these action features. Inputs Outputs New to LeRobot? These guides cover the full workflow: - Install LeRobot — set up the lerobot package. - Hardware setup — assemble, wire, and calibrate your robot and cameras. - Record data & train a policy — the end-to-end imitation-learning walkthrough. - CLI…

Open weights apache-2.0 450M parameters lerobot
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Model · Sentence similarity

lt-patent-inventor-linking

Matthew Lee Chen

This is a LinkTransformer model. At its core this model this is a sentence transformer model sentence-transformers model - it just wraps around the class. This model has been fine-tuned on the model: sentence-transformers/all-mpnet-base-v2. It is pretrained for the language: en. To use this model using sentence-transformers: To use this model for clustering with LinkTransformer installed: We evaluate using the standard LinkTransformer information retrieval metrics. Our test set evaluations are available here. The model was trained with the parameters: torch.utils.data.dataloader.DataLoader of length 31 with parameters: linktransformer.modifiedsbert.losses.SupConLosswandb If you use our…

Open weights 109M parameters 514 tokens sentence-transformers
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This is a LinkTransformer model. At its core this model this is a sentence transformer model sentence-transformers model- it just wraps around the class. It is designed for quick and easy record linkage (entity-matching) through the LinkTransformer package. The tasks include clustering, deduplication, linking, aggregation and more. Notwithstanding that, it can be used for any sentence similarity task within the sentence-transformers framework as well. It maps sentences & paragraphs to a 768 dimensional dense vector space and can be used for tasks like clustering or semantic search. Take a look at the documentation of sentence-transformers if you want to use this model for more than what we…

Open weights 278M parameters 514 tokens sentence-transformers
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Model · Sentence similarity

lt-kn-en_familyname-linkage

Abhishek Arora

This is a LinkTransformer model. At its core this model this is a sentence transformer model sentence-transformers model- it just wraps around the class. It is designed for quick and easy record linkage (entity-matching) through the LinkTransformer package. The tasks include clustering, deduplication, linking, aggregation and more. Notwithstanding that, it can be used for any sentence similarity task within the sentence-transformers framework as well. It maps sentences & paragraphs to a 768 dimensional dense vector space and can be used for tasks like clustering or semantic search. Take a look at the documentation of sentence-transformers if you want to use this model for more than what we…

Open weights 512 tokens sentence-transformers
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Model · Sentence similarity

lt-un-data-fine-coarse-en

Dell Research Harvard

This is a LinkTransformer model. At its core this model this is a sentence transformer model sentence-transformers model- it just wraps around the class. It is designed for quick and easy record linkage (entity-matching) through the LinkTransformer package. The tasks include clustering, deduplication, linking, aggregation and more. Notwithstanding that, it can be used for any sentence similarity task within the sentence-transformers framework as well. It maps sentences & paragraphs to a 768 dimensional dense vector space and can be used for tasks like clustering or semantic search. Take a look at the documentation of sentence-transformers if you want to use this model for more than what we…

Open weights 109M parameters 514 tokens sentence-transformers
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Model · Sentence similarity

lt-wikidata-comp-de

Dell Research Harvard

This is a LinkTransformer model. At its core this model this is a sentence transformer model sentence-transformers model- it just wraps around the class. It is designed for quick and easy record linkage (entity-matching) through the LinkTransformer package. The tasks include clustering, deduplication, linking, aggregation and more. Notwithstanding that, it can be used for any sentence similarity task within the sentence-transformers framework as well. It maps sentences & paragraphs to a 1024 dimensional dense vector space and can be used for tasks like clustering or semantic search. Take a look at the documentation of sentence-transformers if you want to use this model for more than what we…

Open weights mit 336M parameters 512 tokens sentence-transformers
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Model · Text generation

mato-v1.0-sft

German Gimenez

Mato es el asistente de IA entrenado en casa por Napsix — una plataforma B2B agéntica donde los agentes corren solos: investigan, escriben, operan herramientas y producen resultados (documentos, planillas, tableros, formularios, sitios). Este repositorio contiene el adapter LoRA (SFT) sobre Qwen/Qwen3.8-27B. En producción se sirve como LoRA sobre el checkpoint FP8 del base, con MTP speculative decoding y 256k de contexto, en GPUs spot de Daytona. - Tool calling nativo en el formato XML de Qwen (parser qwen3xml de vLLM): llamadas correctas, argumentos válidos y recuperación ante fallos. directo y conciso, sin relleno ni muletillas. - Conocimiento de las superficies de Napsix: XIA, Agentes…

Access requested at publisher apache-2.0 peft
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Model · Tabular classification

MetaTree

Yufan Zhuang

Model is avaliable at https://huggingface.co/yzhuang/MetaTree 1. Install metatreelib: 2. Use MetaTree on your datasets to generate a decision tree model We show a complete example of using MetaTree at notebook If you have any questions related to the code or the paper, feel free to reach out to us at [email protected]. If you find our paper and code useful, please cite us

Open weights mit 151M parameters 256 tokens transformers
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Model · Sentence similarity

lt-un-data-fine-industry-en

Dell Research Harvard

This is a LinkTransformer model. At its core this model this is a sentence transformer model sentence-transformers model- it just wraps around the class. It is designed for quick and easy record linkage (entity-matching) through the LinkTransformer package. The tasks include clustering, deduplication, linking, aggregation and more. Notwithstanding that, it can be used for any sentence similarity task within the sentence-transformers framework as well. It maps sentences & paragraphs to a 768 dimensional dense vector space and can be used for tasks like clustering or semantic search. Take a look at the documentation of sentence-transformers if you want to use this model for more than what we…

Open weights 109M parameters 514 tokens sentence-transformers
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Model · Sentence similarity

lt-wikidata-comp-es

Dell Research Harvard

This is a LinkTransformer model. At its core this model this is a sentence transformer model sentence-transformers model- it just wraps around the class. It is designed for quick and easy record linkage (entity-matching) through the LinkTransformer package. The tasks include clustering, deduplication, linking, aggregation and more. Notwithstanding that, it can be used for any sentence similarity task within the sentence-transformers framework as well. It maps sentences & paragraphs to a 768 dimensional dense vector space and can be used for tasks like clustering or semantic search. Take a look at the documentation of sentence-transformers if you want to use this model for more than what we…

Open weights 110M parameters 512 tokens sentence-transformers
View model

Model · Sentence similarity

lt-un-data-fine-coarse-es

Dell Research Harvard

This is a LinkTransformer model. At its core this model this is a sentence transformer model sentence-transformers model- it just wraps around the class. It is designed for quick and easy record linkage (entity-matching) through the LinkTransformer package. The tasks include clustering, deduplication, linking, aggregation and more. Notwithstanding that, it can be used for any sentence similarity task within the sentence-transformers framework as well. It maps sentences & paragraphs to a 768 dimensional dense vector space and can be used for tasks like clustering or semantic search. Take a look at the documentation of sentence-transformers if you want to use this model for more than what we…

Open weights 110M parameters 512 tokens sentence-transformers
View model

Model · Sentence similarity

lt-un-data-fine-fine-multi

Dell Research Harvard

This is a LinkTransformer model. At its core this model this is a sentence transformer model sentence-transformers model- it just wraps around the class. It is designed for quick and easy record linkage (entity-matching) through the LinkTransformer package. The tasks include clustering, deduplication, linking, aggregation and more. Notwithstanding that, it can be used for any sentence similarity task within the sentence-transformers framework as well. It maps sentences & paragraphs to a 768 dimensional dense vector space and can be used for tasks like clustering or semantic search. Take a look at the documentation of sentence-transformers if you want to use this model for more than what we…

Open weights 278M parameters 514 tokens sentence-transformers
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Model · Sentence similarity

contact_dedupe_STx_model

Gourav

This is a LinkTransformer model. At its core this model this is a sentence transformer model sentence-transformers model- it just wraps around the class. It is designed for quick and easy record linkage (entity-matching) through the LinkTransformer package. The tasks include clustering, deduplication, linking, aggregation and more. Notwithstanding that, it can be used for any sentence similarity task within the sentence-transformers framework as well. It maps sentences & paragraphs to a 384 dimensional dense vector space and can be used for tasks like clustering or semantic search. Take a look at the documentation of sentence-transformers if you want to use this model for more than what we…

Open weights 118M parameters 512 tokens sentence-transformers
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Model · Sentence similarity

lt-mexicantrade4748

Dell Research Harvard

This is a LinkTransformer model. At its core this model this is a sentence transformer model sentence-transformers model- it just wraps around the class. It is designed for quick and easy record linkage (entity-matching) through the LinkTransformer package. The tasks include clustering, deduplication, linking, aggregation and more. Notwithstanding that, it can be used for any sentence similarity task within the sentence-transformers framework as well. It maps sentences & paragraphs to a 768 dimensional dense vector space and can be used for tasks like clustering or semantic search. Take a look at the documentation of sentence-transformers if you want to use this model for more than what we…

Open weights 110M parameters 512 tokens sentence-transformers
View model

Model · Sentence similarity

lt-un-data-fine-industry-es

Dell Research Harvard

This is a LinkTransformer model. At its core this model this is a sentence transformer model sentence-transformers model- it just wraps around the class. It is designed for quick and easy record linkage (entity-matching) through the LinkTransformer package. The tasks include clustering, deduplication, linking, aggregation and more. Notwithstanding that, it can be used for any sentence similarity task within the sentence-transformers framework as well. It maps sentences & paragraphs to a 768 dimensional dense vector space and can be used for tasks like clustering or semantic search. Take a look at the documentation of sentence-transformers if you want to use this model for more than what we…

Open weights 110M parameters 512 tokens sentence-transformers
View model

This is a LinkTransformer model. At its core this model this is a sentence transformer model sentence-transformers model- it just wraps around the class. It is designed for quick and easy record linkage (entity-matching) through the LinkTransformer package. The tasks include clustering, deduplication, linking, aggregation and more. Notwithstanding that, it can be used for any sentence similarity task within the sentence-transformers framework as well. It maps sentences & paragraphs to a 768 dimensional dense vector space and can be used for tasks like clustering or semantic search. Take a look at the documentation of sentence-transformers if you want to use this model for more than what we…

Open weights 278M parameters 514 tokens sentence-transformers
View model

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.