Zen

An open model family and the training stack behind it.


Models	Open weights across sizes and modalities
Training	Pretraining, fine-tuning, and evaluation pipelines
Serving	Quantization and inference for local and hosted use

Start here

Site — zenlm.org
Papers — papers.zenlm.org
Blog — blog.zenlm.org

.github

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Zen LM organization profile and community health files

Updated 2026-07-19 19:50:32 +00:00

zen-guard-stream

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Zen Guard Stream - Real-time safety monitoring

Updated 2026-07-16 17:52:42 +00:00

zen-eco-instruct

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Zen Eco 4B Instruct - Efficient instruction-following model

Updated 2026-07-16 17:49:28 +00:00

zen-code

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Zen Code 4B - General code generation

Updated 2026-06-29 04:02:56 +00:00

zen-eco-agent

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Zen Eco 4B Agent - Tool-calling and function execution

Updated 2026-06-29 04:02:42 +00:00

zen-designer-instruct

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Zen Designer Instruct - Design instruction following

Updated 2026-06-29 04:02:39 +00:00

zen-eco-thinking

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Zen Eco 4B Thinking - Chain-of-thought reasoning model

Updated 2026-06-29 04:02:26 +00:00

zen-eco-coder

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Zen Eco 4B Coder - Code generation and analysis

Updated 2026-06-29 04:02:23 +00:00

zen-designer-thinking

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Zen Designer Thinking - Design reasoning model

Updated 2026-06-29 04:02:20 +00:00

zen-3d

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Zen 3D — controllable image-to-3D asset generation (WIP; permissive: Pixal3D/TRELLIS MIT)

Updated 2026-06-29 04:02:17 +00:00

zen-video

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Zen Video — text-to-video generation (WIP; permissive: Wan2.2 Apache-2.0)

Updated 2026-06-29 04:02:15 +00:00

zen-video-i2v

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Zen Video I2V — image-to-video generation (WIP; permissive: Wan2.2 Apache-2.0)

Updated 2026-06-29 04:02:12 +00:00

llama.cpp

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Fork of llama.cpp

Updated 2026-06-29 04:01:23 +00:00

zen-voyager

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Zen Voyager — explorable, navigable world generation (WIP; permissive: Wan2.2 + TRELLIS)

Updated 2026-06-29 04:00:10 +00:00

zen-world

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Zen World — 3D world & scene generation (WIP; permissive: Wan2.2 + TRELLIS)

Updated 2026-06-29 04:00:07 +00:00