Zen Reranker 0.6B
0.6B-parameter cross-encoder reranker for retrieval pipelines and search relevance — re-scores candidate passages for RAG and search quality. Part of the Zen reranker line.
Repackaged from Qwen/Qwen3-Reranker-0.6B (apache-2.0, Alibaba Qwen). Native HuggingFace safetensors, re-hosted under the Zen reranker line. Not trained from scratch — a permissively-licensed redistribution for the OSS-clean Zen model line.
Usage
Score query/passage pairs following the upstream Qwen/Qwen3-Reranker-0.6B recipe (yes/no token scoring).
Hosted via the Hanzo gateway (api.hanzo.ai) as zen-reranker-0.6b. GGUF build for CPU inference: zenlm/zen-reranker-0.6B-GGUF.
License
apache-2.0. Upstream: Qwen/Qwen3-Reranker-0.6B by Alibaba Qwen. This repository redistributes the weights under the same license.
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