zenlm/zen4-ultra-max

Zen4 Ultra Max

Zen4 Ultra Max is a 1T MoE (50B active) parameter language model from the Zen4 family by Zen LM and Hanzo AI.

Trillion-parameter FP8-trained MoE — largest open frontier model.

Model Details

Property	Value
Parameters	1T MoE total, 50B active
Architecture	Frontier MoE
Context	128K tokens
License	MIT
Family	Zen4
Tier	Frontier
Creator	Zen LM / Hanzo AI

Weights

Weights hosted at inclusionAI/Ling-1T due to storage constraints. Use the source repository for inference and fine-tuning.

from transformers import AutoModelForCausalLM, AutoTokenizer

model = AutoModelForCausalLM.from_pretrained("inclusionAI/Ling-1T", torch_dtype="auto")
tokenizer = AutoTokenizer.from_pretrained("inclusionAI/Ling-1T")

Links

• Zen LM | Hanzo AI | Hanzo Chat
• All Zen Models

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Zen AI: Clarity Through Intelligence