metadata
library_name: transformers
pipeline_tag: text-generation
tags:
- text-generation
- reasoning
- zen
- zen4
- hanzo
- zenlm
license: apache-2.0
Zen4 Ultra
Zen LM by Hanzo AI — Extended reasoning model with chain-of-thought. Optimized for complex multi-step problems.
Specs
| Property | Value |
|---|---|
| Parameters | 744B MoE |
| Context | 262K |
| Architecture | Zen MoDE (Mixture of Distilled Experts) |
| Generation | Zen4 |
API Access
curl https://api.hanzo.ai/v1/chat/completions \
-H "Authorization: Bearer $HANZO_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model": "zen4-ultra", "messages": [{"role": "user", "content": "Hello"}]}'
Get your API key at console.hanzo.ai — $5 free credit on signup.
License
Apache 2.0
Zen LM is developed by Hanzo AI — Frontier AI infrastructure.