github.com · Open Weight Models
EleutherAI suite of models trained on identical data in a fixed order, with many checkpoints for studying how training shapes behaviour.
Pythia is one of 20 open weight model tools on Axiomi. See all open weight model tools or how we check facts.
// guides
Open weight vs open source AI explained: what the OSI definition requires, which popular models are which, and a licence table checked against model cards.
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OLMoallenai.orgThe Allen Institute for AI's fully open language models, released with training data, code, checkpoints and logs.Open Weight ModelsOpen source★ 6.7k
Mistral AImistral.aiParis based lab publishing both open weight and commercial models, from small edge models to mixture of experts flagships.Open Weight ModelsFreemium★ 10.8k
FLUXbfl.aiBlack Forest Labs image models. Open weights include FLUX 3 Image Klein, FLUX.2 dev and klein, and FLUX.1 schnell and dev, under Apache 2.0, FLUX Kommunity and non commercial licenses.Open Weight ModelsFreemium★ 26k
Bonsai (Prism ML)prismml.comPrism ML's family of 1 bit and ternary open weight models, including Bonsai 2 27B, a Qwen3.8-27B derivative that fits in about 6 to 7 GB and runs on Prism's llama.cpp fork.Open Weight ModelsOpen source★ 3.5k
LFM2 / LFM2.5 (Liquid AI)liquid.aiLiquid AI's LFM2 and LFM2.5 open weight edge models, including LFM2.5-24B-A2B (24B MoE, ~2.45B active, 131K context) with official GGUF, MLX, vLLM and SGLang builds.Open Weight ModelsSee siteHN 19Whispergithub.comOpenAI's open speech recognition model trained on a large multilingual dataset, widely used for transcription and translation.Open Weight ModelsOpen source★ 111.4k