Zen LM 🌍

Democratize AI while protecting our planet

A groundbreaking collaboration between Hanzo AI (Techstars-backed, award-winning GenAI lab) and Zoo Labs Foundation (501(c)(3) environmental non-profit), eco-friendly AI that runs entirely on your device — no cloud, no subscriptions, no surveillance.

💬 Language Models

Model Size Description
zen-nano 0.6B Ultra-lightweight edge model
zen-eco-instruct 4B Efficient instruction-following
zen-eco-thinking 4B Chain-of-thought reasoning
zen-agent 4B Tool-calling and functions
zen-coder 480B Code generation and analysis
zen-next 80B Professional-grade LLM
zen-omni 30B Multimodal Vision-language understanding

🎨 3D & World Generation

Model Type Description
zen-3d 3.3B Controllable 3D asset generation
zen-voyager Diffusion Camera-controlled world exploration
zen-world Diffusion Large-scale world simulation

🎬 Video Generation

Model Type Description
zen-director 5B Text/image-to-video generation
zen-i2v Diffusion Image-to-video animation
zen-video Diffusion High-quality video synthesis

🎵 Audio Generation

Model Type Description
zen-musician 7B Music generation (lyrics → songs)
zen-foley Diffusion Video-to-audio Foley effects

📝 Audio Transcription

Model Type Description
zen-scribe 4B Audio transcription

🎨 Creative & Design

Model Type Description
zen-artist Multimodal Creative visual generation
zen-designer-instruct Multimodal Design instruction following
zen-designer-thinking Multimodal Design reasoning

💻 Code & Development

Model Type Description
zen-agent 4B Function calling and tool using agent
zen-coder-4B 4B Advanced coding assistant
zen-coder-80B 80B Documentation generation
zen-coder-480B 480B Code action suggestions

🛡️ Safety & Moderation

Model Type Description
zen-guard Classification Content safety detection
zen-guard-gen 4B Safe content generation
zen-guard-stream Classification Real-time
safety monitoring

🔢 Embeddings

Model Type Description
zen-embedding Embedding High-quality text embeddings

Why Zen LM?

🚀 Ultra-Efficient - 06.B parameters to 480B-class performance • Runs on phones, laptops, and AI super computers 🔒 Truly Private - 100% local processing • No accounts, no telemetry, no tracking 🌱 Environmentally Responsible - 95% less energy than cloud AI • Carbon-negative operations 💚 Free Forever - Apache 2.0 licensed • No premium tiers or API fees

🚀 Quick Start 

from transformers import AutoModelForCausalLM, AutoTokenizer

model = AutoModelForCausalLM.from_pretrained("zenlm/zen-eco-instruct")
tokenizer = AutoTokenizer.from_pretrained("zenlm/zen-eco-instruct")

inputs = tokenizer("Explain quantum computing", return_tensors="pt")
outputs = model.generate(**inputs, max_length=200)
print(tokenizer.decode(outputs[0]))

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🏗️ Infrastructure

https://github.com/zenlm/zen-gym - Unified training platform supporting LoRA, GRPO, DPO, and all
modern methods

https://github.com/zenlm/zen-engine - High-performance inference engine (44K tok/s) with
OpenAI-compatible API

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📜 License

Models: Apache 2.0 • Code: MIT License • Privacy: No data collection, ever

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🏛️ Organizations

Hanzo AI Inc - Techstars Portfolio • Award-winning GenAI lab • https://hanzo.ai

Zoo Labs Foundation - 501(c)(3) Non-Profit • Environmental preservation • https://zoolabs.io

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📮 Contact

🌐 https://zenlm.org • 💬 https://discord.gg/hanzoai • 🐦 https://twitter.com/hanzoai • 📧
hello@zenlm.org