Create README.md

README.md

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+---
+license: cc-by-nc-4.0
+language:
+- en
+base_model:
+- Qwen/Qwen3-4B
+pipeline_tag: text-ranking
+tags:
+- finance
+- legal
+- code
+- stem
+- medical
+---
+# zerank-1: ZeroEntropy Inc.'s SoTA reranker
+
+<!-- Provide a quick summary of what the model is/does. -->
+
+This model is an open-weights reranker model meant to be integrated into RAG applications to rerank results from preliminary search methods such as embeddings, BM25, and hybrid search.
+
+This reranker outperforms all competitor rerankers, including ones twice its size, across a wide variety of task domains, including on finance, legal, code, STEM, medical, and conversational data. See [this post](https://evals_blog_post) for more details.
+This model is trained on an innovative multi-stage pipeline that models query-document relevance scores using adjusted Elo-like ratings. See [this post](https://technical_blog_post) and our Technical Report (Coming soon!) for more details.
+
+
+
+
+## How to Use
+
+## Evaluations
+
+Comparing NDCG@10 starting from top 100 documents by embedding (using text-3-embedding-small):
+
+| Task           | Embedding | cohere-rerank-v3.5 | Salesforce/Llama-rank-v1 | zerank-1-small | zerank-1 |
+|----------------|-----------|--------------------|--------------------------|----------------|----------|
+| Code           |    0.678  |       0.724        |           0.694          |      0.730     |   0.754  |
+| Conversational |    0.250  |       0.571        |           0.484          |      0.556     |   0.596  |
+| Finance        |    0.839  |       0.824        |           0.828          |      0.861     |   0.894  |
+| Legal          |    0.703  |       0.804        |           0.767          |      0.817     |   0.821  |
+| Medical        |    0.619  |       0.750        |           0.719          |      0.773     |   0.796  |
+| STEM           |    0.401  |       0.510        |           0.595          |      0.680     |   0.694  |
+
+Comparing BM25 and Hybrid Search without and with zerank-1:
+
+<img src="https://cdn-uploads.huggingface.co/production/uploads/67776f9dcd9c9435499eafc8/2GPVHFrI39FspnSNklhsM.png" alt="Description" width="400"/> <img src="https://cdn-uploads.huggingface.co/production/uploads/67776f9dcd9c9435499eafc8/dwYo2D7hoL8QiE8u3yqr9.png" alt="Description" width="400"/>
+
+
+## Citation
+
+**BibTeX:**
+
+Coming soon!
+
+**APA:**
+
+Coming soon!
+