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
Updated 2026-07-08 01:31:10 +00:00
Zen CLI helper — sign in to Zen and use its AI models in Claude Code, Codex, and more
Updated 2026-06-29 22:14:54 +00:00
Zen5 inference engine. Fork of antirez/ds4 (DeepSeek V4 Flash native runtime) rebranded for the Zen LLM family.
Updated 2026-06-29 04:03:12 +00:00
React components for the Zen LM model library — model cards, tables, and browsable catalog
Updated 2026-06-29 04:02:47 +00:00
Zen Eco 4B Agent - Tool-calling and function execution
Updated 2026-06-29 04:02:42 +00:00
Zen Designer Instruct - Design instruction following
Updated 2026-06-29 04:02:39 +00:00
Zen Eco 4B Thinking - Chain-of-thought reasoning model
Updated 2026-06-29 04:02:26 +00:00
Zen Eco 4B Coder - Code generation and analysis
Updated 2026-06-29 04:02:23 +00:00
Zen Designer Thinking - Design reasoning model
Updated 2026-06-29 04:02:20 +00:00