# Reranker Models

Self-hosted mirror of permissively-licensed retrieval models used by [xberg](https://github.com/xberg-io/xberg). Weights are unmodified; every file is sha256-pinned in the xberg source tree (`crates/xberg/src/reranking/presets.sha256sum`) and verified at download.

All models are Apache-2.0 or MIT licensed. Attribution to each upstream author below.

| Model | Upstream | License | Notes |
|---|---|---|---|
| `bge-reranker-base` | [BAAI/bge-reranker-base](https://huggingface.co/BAAI/bge-reranker-base) | MIT | cross-encoder reranker |
| `bge-reranker-v2-m3` | [BAAI/bge-reranker-v2-m3](https://huggingface.co/BAAI/bge-reranker-v2-m3) | Apache-2.0 | multilingual cross-encoder |
| `jina-reranker-v1-turbo-en` | [jinaai/jina-reranker-v1-turbo-en](https://huggingface.co/jinaai/jina-reranker-v1-turbo-en) | Apache-2.0 | cross-encoder reranker |
| `ettin-reranker-150m` | [cross-encoder/ettin-reranker-150m-v1](https://huggingface.co/cross-encoder/ettin-reranker-150m-v1) | Apache-2.0 | cross-encoder reranker (default) |
| `qwen3-reranker-0.6b` | [Qwen/Qwen3-Reranker-0.6B](https://huggingface.co/Qwen/Qwen3-Reranker-0.6B) | Apache-2.0 | generative reranker |