Open-weight model families
Open-weight model families covers model families whose files can be downloaded and run on your own hardware.
In brief
Open-weight model families, in brief.
What it isOpen-weight model families covers model families whose files can be downloaded and run on your own hardware.
Where it sitsOne of 24 categories in the Models layer. Models are the trained systems that do the work: language models, and models for speech, images, video, code, translation and forecasting. This layer covers both closed models reached through an API and open models you can download.
What we track35 products, including Apertus, Arcee (AFM, Trinity), Command R / Command A (open weights, non-commercial), DeepSeek (V3.x, R1) and ERNIE 4.5 (open weights).
The products
35 products in Open-weight model families.
Each name opens a search for that product in our index.
ProductMakerIts own site
From our census of 2026-11-08. A product listed here is one that belongs in this category; the search answer says whether we have checked it.
Questions
Open-weight model families, answered.
What is Open-weight model families in AI infrastructure?Open-weight model families covers model families whose files can be downloaded and run on your own hardware.
Which layer of AI infrastructure is Open-weight model families in?Open-weight model families is in the Models layer. Models are the trained systems that do the work: language models, and models for speech, images, video, code, translation and forecasting. This layer covers both closed models reached through an API and open models you can download.
Which products are in Open-weight model families?We track 35 products in Open-weight model families, including Apertus, Arcee (AFM, Trinity), Command R / Command A (open weights, non-commercial), DeepSeek (V3.x, R1), ERNIE 4.5 (open weights), EXAONE, Falcon and Gemma. The full list is on this page.
Models
The other categories in Models.
3D generation & motionAvatar / digital humansBackground removal & mattingBenchmarks & leaderboardsCode modelsEmbedding modelsFrontier model APIsImage generation & editingImage upscaling & restorationLip-sync & dubbingMachine translation APIsModel hubs / registriesMultilingual / regional-language modelsMultimodal / vision-language modelsMusic & audio generationRealtime speech-to-speech modelsReasoning modelsRerankersSmall / on-device LLMsSpeech (STT/TTS)Time-series foundation modelsVideo generationWorld models