Next-Generation AI for Humanity • Local • Private • Free • Sustainable
A groundbreaking collaboration between Hanzo AI (Techstars-backed, award-winning GenAI lab) and Zoo Labs Foundation (501(c)(3) environmental non-profit), building AI that runs entirely on your device — no cloud, no subscriptions, no surveillance.
"Democratize AI while protecting our planet"
| 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-eco-coder | 4B | Code generation and |
| analysis | ||
| zen-eco-agent | 4B | Tool-calling and functions |
| | zen-agent | 4B | Agentic workflows with MCP | | zen-pro | 8B | Professional-grade LLM | | zen-omni | Multimodal | Vision-language understanding |
| 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 |
|
| Model | Type | Description |
|---|---|---|
| zen-director | 5B | Text/image-to-video |
| generation | ||
| zen-video | Diffusion | High-quality video synthesis |
| | zen-video-i2v | Diffusion | Image-to-video animation |
| Model | Type | Description |
|---|---|---|
| zen-musician | 7B | Music generation (lyrics → |
| songs) | ||
| zen-foley | Diffusion | Video-to-audio Foley effects |
|
| Model | Type | Description |
|---|---|---|
| zen-artist | Multimodal | Creative visual |
| generation | ||
| zen-designer-instruct | Multimodal | |
| Design instruction following | ||
| zen-designer-thinking | Multimodal | |
| Design reasoning |
| Model | Type | Description |
|---|---|---|
| zen-code | 4B | General code generation |
| zen-coder | 4B | Advanced coding assistant |
| zen-code-docs | 4B | Documentation generation |
| zen-code-action | 4B | Code action suggestions |
|
| Model | Type | Description |
|---|---|---|
| zen-blog | 4B | Blog and article writing |
| zen-scribe | 4B | Professional content writing |
| Model | Type | Description |
|---|---|---|
| zen-guard | Classification | Content safety |
| detection | ||
| zen-guard-gen | 4B | Safe content generation |
| zen-guard-stream | Classification | Real-time |
| safety monitoring |
| Model | Type | Description |
|---|---|---|
| zen-embedding | Embedding | High-quality text |
| embeddings |
🚀 Ultra-Efficient - 4B parameters achieving 70B-class performance • Runs on phones, laptops, Raspberry Pi
🔒 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
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/zenlm • 🐦 https://twitter.com/zenlm_ai • 📧
hello@zenlm.org