Zen LM by Hanzo AI — Multilingual cross-encoder reranker supporting 100+ languages. Optimized for search result refinement and RAG pipelines. 568M parameters.

Specs

Property	Value
Parameters	568M
Context Length	8192 tokens
Languages	100+
Architecture	Zen MoDE (Mixture of Distilled Experts)
Generation	Zen3

Usage

python

from transformers import AutoModelForSequenceClassification, AutoTokenizer

model = AutoModelForSequenceClassification.from_pretrained("zenlm/zen3-reranker")
tokenizer = AutoTokenizer.from_pretrained("zenlm/zen3-reranker")

API Access

Available via the Hanzo AI API at console.hanzo.ai — $5 free credit on signup.

License

Apache 2.0

Zen LM is developed by Hanzo AI — Frontier AI infrastructure.

zhengyuanqi/zen3-reranker

Zen3 Reranker

Specs

Usage

API Access

License

zhengyuanqi/
zen3-reranker