Text Ranking
sentence-transformers
Safetensors
Korean
English
modernbert
cross-encoder
reranker
korean
english
text-embeddings-inference
Instructions to use nlpai-lab/KURE-Reranker-nano with libraries, inference providers, notebooks, and local apps. Follow these links to get started.
- Libraries
- sentence-transformers
How to use nlpai-lab/KURE-Reranker-nano with sentence-transformers:
from sentence_transformers import CrossEncoder model = CrossEncoder("nlpai-lab/KURE-Reranker-nano") query = "Which planet is known as the Red Planet?" passages = [ "Venus is often called Earth's twin because of its similar size and proximity.", "Mars, known for its reddish appearance, is often referred to as the Red Planet.", "Jupiter, the largest planet in our solar system, has a prominent red spot.", "Saturn, famous for its rings, is sometimes mistaken for the Red Planet." ] scores = model.predict([(query, passage) for passage in passages]) print(scores) - Inference
- Notebooks
- Google Colab
- Kaggle
HTML result tables, KURE rows in crimson
Browse files
README.md
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@@ -147,25 +147,39 @@ The figure plots mean nDCG@10 against mean PPS across the nine Korean benchmarks
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### Results — MTEB-ko-retrieval (9 subsets)
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<!-- **공식 9개 subset 을 모두 평가한 모델**의 9-subset mean NDCG@10, PPS -->
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PPS is measured on a single NVIDIA RTX A6000 48GB per model and averaged over the nine benchmarks. For each benchmark, every model is timed on the same ~550 sampled query–document pairs (whole queries, fixed seed). Inputs are length-sorted and dynamically padded within each batch. Models run in bf16 with flash_attention_2, except `KaLM-Embedding/KaLM-Reranker-V1-Large-R2`, which uses sdpa because transformers does not support flash_attention_2 for T5Gemma2. Each query is reranked over its gold documents plus, as negatives, the BM25 top-50 minus the golds; BelebeleRetrieval uses its kor_Hang-kor_Hang subset.
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<details>
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<summary>Per-dataset NDCG@10</summary>
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</details>
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<details>
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<summary>Per-dataset PPS</summary>
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Batch size starts at 8 and doubles until an out-of-memory error. Samples are repeated to fill complete batches. After warmup, three full passes are timed with CUDA events. Throughput is the total number of processed pairs divided by the accumulated GPU forward time. The highest-throughput successful batch is reported. Tokenization, data loading, and CPU preprocessing are excluded. The batch-search approach is informed by the [Ettin reranker speed benchmark](https://huggingface.co/blog/ettin-reranker#speed).
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### Results — MTEB-ko-retrieval (9 subsets)
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<!-- **공식 9개 subset 을 모두 평가한 모델**의 9-subset mean NDCG@10, PPS -->
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<div style="width: fit-content; max-width: 100%; margin: 0 auto;">
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<div style="overflow-x: auto;">
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<table cellpadding="6" style="margin: 0 auto; border-collapse: collapse; color: inherit; text-align: right; font-size: 0.85em; line-height: 1.6; font-variant-numeric: tabular-nums;">
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<thead>
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<tr style="border-bottom: 1px solid rgba(128, 128, 128, 0.35);">
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<th scope="col" style="text-align: left;">Model</th>
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<th scope="col">Params</th>
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<th scope="col">Mean NDCG@10</th>
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<th scope="col">Mean PPS</th>
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</tr>
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</thead>
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<tbody>
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<tr><td style="text-align: left; white-space: nowrap;">Qwen/Qwen3-Reranker-8B</td><td>8.2B</td><td>0.8990</td><td>15.0</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">Qwen/Qwen3-Reranker-4B</td><td>4.0B</td><td>0.8916</td><td>24.3</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">KaLM-Embedding/KaLM-Reranker-V1-Large-R2</td><td>7.5B</td><td>0.8910</td><td>25.3</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;"><strong style="color: #c9496b;">nlpai-lab/KURE-Reranker-base</strong></td><td><span style="color: #c9496b;">1.7B</span></td><td><span style="color: #c9496b;">0.8800</span></td><td><span style="color: #c9496b;">55.0</span></td></tr>
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<tr><td style="text-align: left; white-space: nowrap;"><strong style="color: #c9496b;">nlpai-lab/KURE-Reranker-nano</strong></td><td><span style="color: #c9496b;">149M</span></td><td><span style="color: #c9496b;">0.8757</span></td><td><span style="color: #c9496b;">482.4</span></td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">zeroentropy/zerank-2-reranker</td><td>4.0B</td><td>0.8652</td><td>29.3</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">mixedbread-ai/mxbai-rerank-large-v2</td><td>1.5B</td><td>0.8607</td><td>64.8</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">lightonai/LightOn-rerank-PW-4B</td><td>4.5B</td><td>0.8605</td><td>15.1</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">Qwen/Qwen3-Reranker-0.6B</td><td>596M</td><td>0.8528</td><td>101.0</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">BAAI/bge-reranker-v2-m3</td><td>568M</td><td>0.8518</td><td>412.6</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">nvidia/llama-nemotron-rerank-1b-v2</td><td>1.2B</td><td>0.8468</td><td>128.2</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">nlpai-lab/LAMAR-600m</td><td>568M</td><td>0.8375</td><td>415.0</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">dragonkue/bge-reranker-v2-m3-ko</td><td>568M</td><td>0.8199</td><td>409.1</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">BAAI/bge-reranker-v2-gemma</td><td>2.5B</td><td>0.8099</td><td>58.8</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">upskyy/ko-reranker-8k</td><td>568M</td><td>0.8054</td><td>409.8</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">Dongjin-kr/ko-reranker</td><td>560M</td><td>0.7861</td><td>488.0</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">telepix/PIXIE-Spell-Reranker-Preview-0.6B</td><td>596M</td><td>0.7760</td><td>99.7</td></tr>
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</tbody>
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</table>
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</div>
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</div>
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PPS is measured on a single NVIDIA RTX A6000 48GB per model and averaged over the nine benchmarks. For each benchmark, every model is timed on the same ~550 sampled query–document pairs (whole queries, fixed seed). Inputs are length-sorted and dynamically padded within each batch. Models run in bf16 with flash_attention_2, except `KaLM-Embedding/KaLM-Reranker-V1-Large-R2`, which uses sdpa because transformers does not support flash_attention_2 for T5Gemma2. Each query is reranked over its gold documents plus, as negatives, the BM25 top-50 minus the golds; BelebeleRetrieval uses its kor_Hang-kor_Hang subset.
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<details>
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<summary>Per-dataset NDCG@10</summary>
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<div style="width: fit-content; max-width: 100%; margin: 0 auto;">
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<div style="overflow-x: auto;">
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<table cellpadding="6" style="margin: 0 auto; border-collapse: collapse; color: inherit; text-align: right; font-size: 0.85em; line-height: 1.6; font-variant-numeric: tabular-nums;">
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<thead>
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<tr style="border-bottom: 1px solid rgba(128, 128, 128, 0.35);">
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<th scope="col" style="text-align: left;">Model</th>
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<th scope="col">Params</th>
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<th scope="col">Ko-StrategyQA</th>
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<th scope="col">AutoRAGRetrieval</th>
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<th scope="col">PublicHealthQA</th>
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<th scope="col">BelebeleRetrieval</th>
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<th scope="col">MIRACLRetrieval</th>
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<th scope="col">MrTidyRetrieval</th>
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<th scope="col">MultiLongDocRetrieval</th>
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<th scope="col">SQuADKorV1Retrieval</th>
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<th scope="col">LawIRKo</th>
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</tr>
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</thead>
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<tbody>
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<tr><td style="text-align: left; white-space: nowrap;">Qwen/Qwen3-Reranker-8B</td><td>8.2B</td><td>0.8720</td><td>0.9653</td><td>0.8654</td><td>0.9785</td><td>0.8513</td><td>0.8416</td><td>0.8255</td><td>0.9897</td><td>0.9013</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">Qwen/Qwen3-Reranker-4B</td><td>4.0B</td><td>0.8733</td><td>0.9630</td><td>0.8442</td><td>0.9794</td><td>0.8559</td><td>0.8298</td><td>0.8161</td><td>0.9861</td><td>0.8766</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">KaLM-Embedding/KaLM-Reranker-V1-Large-R2</td><td>7.5B</td><td>0.8796</td><td>0.9415</td><td>0.8633</td><td>0.9809</td><td>0.8382</td><td>0.8500</td><td>0.7970</td><td>0.9863</td><td>0.8824</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;"><strong style="color: #c9496b;">nlpai-lab/KURE-Reranker-base</strong></td><td><span style="color: #c9496b;">1.7B</span></td><td><span style="color: #c9496b;">0.8548</span></td><td><span style="color: #c9496b;">0.9762</span></td><td><span style="color: #c9496b;">0.8381</span></td><td><span style="color: #c9496b;">0.9767</span></td><td><span style="color: #c9496b;">0.8371</span></td><td><span style="color: #c9496b;">0.7970</span></td><td><span style="color: #c9496b;">0.8163</span></td><td><span style="color: #c9496b;">0.9891</span></td><td><span style="color: #c9496b;">0.8343</span></td></tr>
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<tr><td style="text-align: left; white-space: nowrap;"><strong style="color: #c9496b;">nlpai-lab/KURE-Reranker-nano</strong></td><td><span style="color: #c9496b;">149M</span></td><td><span style="color: #c9496b;">0.8582</span></td><td><span style="color: #c9496b;">0.9741</span></td><td><span style="color: #c9496b;">0.8078</span></td><td><span style="color: #c9496b;">0.9768</span></td><td><span style="color: #c9496b;">0.8400</span></td><td><span style="color: #c9496b;">0.8011</span></td><td><span style="color: #c9496b;">0.7966</span></td><td><span style="color: #c9496b;">0.9895</span></td><td><span style="color: #c9496b;">0.8368</span></td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">jinaai/jina-reranker-v3.5</td><td>597M</td><td>0.8539</td><td>0.9838</td><td>0.8337</td><td>0.9659</td><td>0.8565</td><td>0.8194</td><td>—</td><td>0.9887</td><td>0.8545</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">jinaai/jina-reranker-v3</td><td>597M</td><td>0.8553</td><td>0.9773</td><td>0.7762</td><td>0.9606</td><td>0.8449</td><td>0.8104</td><td>—</td><td>0.9859</td><td>0.8546</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">zeroentropy/zerank-2-reranker</td><td>4.0B</td><td>0.8712</td><td>0.9436</td><td>0.8377</td><td>0.9731</td><td>0.8003</td><td>0.8027</td><td>0.7120</td><td>0.9791</td><td>0.8669</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">mixedbread-ai/mxbai-rerank-large-v2</td><td>1.5B</td><td>0.8563</td><td>0.9531</td><td>0.8407</td><td>0.9659</td><td>0.7939</td><td>0.8771</td><td>0.6787</td><td>0.9681</td><td>0.8130</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">lightonai/LightOn-rerank-PW-4B</td><td>4.5B</td><td>0.8567</td><td>0.9321</td><td>0.8312</td><td>0.9735</td><td>0.8072</td><td>0.8091</td><td>0.7609</td><td>0.9803</td><td>0.7938</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">Qwen/Qwen3-Reranker-0.6B</td><td>596M</td><td>0.8336</td><td>0.9321</td><td>0.8092</td><td>0.9721</td><td>0.8470</td><td>0.7325</td><td>0.7819</td><td>0.9804</td><td>0.7865</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">BAAI/bge-reranker-v2-m3</td><td>568M</td><td>0.8487</td><td>0.9663</td><td>0.7982</td><td>0.9725</td><td>0.8129</td><td>0.8222</td><td>0.6690</td><td>0.9853</td><td>0.7906</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">nvidia/llama-nemotron-rerank-1b-v2</td><td>1.2B</td><td>0.8536</td><td>0.9480</td><td>0.8130</td><td>0.9755</td><td>0.8182</td><td>0.8026</td><td>0.6719</td><td>0.9858</td><td>0.7527</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">nlpai-lab/LAMAR-600m</td><td>568M</td><td>0.8461</td><td>0.9591</td><td>0.8044</td><td>0.9740</td><td>0.8214</td><td>0.7975</td><td>0.5679</td><td>0.9850</td><td>0.7822</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">dragonkue/bge-reranker-v2-m3-ko</td><td>568M</td><td>0.8232</td><td>0.9684</td><td>0.8155</td><td>0.9744</td><td>0.7573</td><td>0.6776</td><td>0.7061</td><td>0.9846</td><td>0.6721</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">BAAI/bge-reranker-v2-gemma</td><td>2.5B</td><td>0.8614</td><td>0.9407</td><td>0.8069</td><td>0.9696</td><td>0.8362</td><td>0.8429</td><td>0.2881</td><td>0.9858</td><td>0.7572</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">upskyy/ko-reranker-8k</td><td>568M</td><td>0.8143</td><td>0.9230</td><td>0.7792</td><td>0.9609</td><td>0.7249</td><td>0.6998</td><td>0.5975</td><td>0.9718</td><td>0.7770</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">Dongjin-kr/ko-reranker</td><td>560M</td><td>0.8468</td><td>0.9014</td><td>0.6976</td><td>0.9655</td><td>0.8017</td><td>0.7772</td><td>0.3721</td><td>0.9785</td><td>0.7343</td></tr>
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<tr><td style="text-align: left; white-space: nowrap;">telepix/PIXIE-Spell-Reranker-Preview-0.6B</td><td>596M</td><td>0.8329</td><td>0.9794</td><td>0.8211</td><td>0.9689</td><td>0.8449</td><td>0.7650</td><td>0.1829</td><td>0.9850</td><td>0.6042</td></tr>
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</tbody>
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</table>
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</div>
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</div>
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</details>
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<details>
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<summary>Per-dataset PPS</summary>
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<div style="width: fit-content; max-width: 100%; margin: 0 auto;">
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<div style="overflow-x: auto;">
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<table cellpadding="6" style="margin: 0 auto; border-collapse: collapse; color: inherit; text-align: right; font-size: 0.85em; line-height: 1.6; font-variant-numeric: tabular-nums;">
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<thead>
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<tr style="border-bottom: 1px solid rgba(128, 128, 128, 0.35);">
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<th scope="col" style="text-align: left;">Model</th>
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<th scope="col">Params</th>
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+
<th scope="col">Ko-StrategyQA</th>
|
| 247 |
+
<th scope="col">AutoRAGRetrieval</th>
|
| 248 |
+
<th scope="col">PublicHealthQA</th>
|
| 249 |
+
<th scope="col">BelebeleRetrieval</th>
|
| 250 |
+
<th scope="col">MIRACLRetrieval</th>
|
| 251 |
+
<th scope="col">MrTidyRetrieval</th>
|
| 252 |
+
<th scope="col">MultiLongDocRetrieval</th>
|
| 253 |
+
<th scope="col">SQuADKorV1Retrieval</th>
|
| 254 |
+
<th scope="col">LawIRKo</th>
|
| 255 |
+
</tr>
|
| 256 |
+
</thead>
|
| 257 |
+
<tbody>
|
| 258 |
+
<tr><td style="text-align: left; white-space: nowrap;">Qwen/Qwen3-Reranker-8B</td><td>8.2B</td><td>16.5</td><td>7.4</td><td>15.3</td><td>20.5</td><td>25.0</td><td>26.6</td><td>0.7</td><td>10.8</td><td>12.4</td></tr>
|
| 259 |
+
<tr><td style="text-align: left; white-space: nowrap;">Qwen/Qwen3-Reranker-4B</td><td>4.0B</td><td>26.2</td><td>11.8</td><td>25.6</td><td>34.5</td><td>40.1</td><td>42.8</td><td>1.1</td><td>17.1</td><td>19.9</td></tr>
|
| 260 |
+
<tr><td style="text-align: left; white-space: nowrap;">KaLM-Embedding/KaLM-Reranker-V1-Large-R2</td><td>7.5B</td><td>28.6</td><td>12.4</td><td>25.4</td><td>36.9</td><td>39.6</td><td>43.8</td><td>0.8</td><td>18.7</td><td>21.4</td></tr>
|
| 261 |
+
<tr><td style="text-align: left; white-space: nowrap;"><strong style="color: #c9496b;">nlpai-lab/KURE-Reranker-base</strong></td><td><span style="color: #c9496b;">1.7B</span></td><td><span style="color: #c9496b;">59.2</span></td><td><span style="color: #c9496b;">27.3</span></td><td><span style="color: #c9496b;">58.0</span></td><td><span style="color: #c9496b;">77.0</span></td><td><span style="color: #c9496b;">89.1</span></td><td><span style="color: #c9496b;">97.1</span></td><td><span style="color: #c9496b;">2.6</span></td><td><span style="color: #c9496b;">39.1</span></td><td><span style="color: #c9496b;">45.7</span></td></tr>
|
| 262 |
+
<tr><td style="text-align: left; white-space: nowrap;"><strong style="color: #c9496b;">nlpai-lab/KURE-Reranker-nano</strong></td><td><span style="color: #c9496b;">149M</span></td><td><span style="color: #c9496b;">475.4</span></td><td><span style="color: #c9496b;">233.2</span></td><td><span style="color: #c9496b;">529.0</span></td><td><span style="color: #c9496b;">750.0</span></td><td><span style="color: #c9496b;">765.8</span></td><td><span style="color: #c9496b;">855.2</span></td><td><span style="color: #c9496b;">16.5</span></td><td><span style="color: #c9496b;">330.8</span></td><td><span style="color: #c9496b;">386.0</span></td></tr>
|
| 263 |
+
<tr><td style="text-align: left; white-space: nowrap;">jinaai/jina-reranker-v3.5</td><td>597M</td><td>141.0</td><td>38.6</td><td>123.2</td><td>197.5</td><td>277.3</td><td>295.7</td><td>—</td><td>68.4</td><td>86.7</td></tr>
|
| 264 |
+
<tr><td style="text-align: left; white-space: nowrap;">jinaai/jina-reranker-v3</td><td>597M</td><td>113.8</td><td>25.0</td><td>95.7</td><td>166.3</td><td>244.6</td><td>261.6</td><td>—</td><td>48.7</td><td>64.0</td></tr>
|
| 265 |
+
<tr><td style="text-align: left; white-space: nowrap;">zeroentropy/zerank-2-reranker</td><td>4.0B</td><td>31.0</td><td>12.7</td><td>29.5</td><td>41.4</td><td>51.0</td><td>56.4</td><td>1.1</td><td>18.8</td><td>22.3</td></tr>
|
| 266 |
+
<tr><td style="text-align: left; white-space: nowrap;">mixedbread-ai/mxbai-rerank-large-v2</td><td>1.5B</td><td>70.0</td><td>32.9</td><td>68.0</td><td>89.8</td><td>104.2</td><td>113.6</td><td>3.2</td><td>47.0</td><td>54.7</td></tr>
|
| 267 |
+
<tr><td style="text-align: left; white-space: nowrap;">lightonai/LightOn-rerank-PW-4B</td><td>4.5B</td><td>16.2</td><td>7.3</td><td>17.0</td><td>22.2</td><td>23.4</td><td>26.1</td><td>0.7</td><td>10.7</td><td>12.4</td></tr>
|
| 268 |
+
<tr><td style="text-align: left; white-space: nowrap;">Qwen/Qwen3-Reranker-0.6B</td><td>596M</td><td>105.9</td><td>49.4</td><td>109.5</td><td>145.8</td><td>162.6</td><td>177.4</td><td>4.3</td><td>70.8</td><td>83.6</td></tr>
|
| 269 |
+
<tr><td style="text-align: left; white-space: nowrap;">BAAI/bge-reranker-v2-m3</td><td>568M</td><td>420.7</td><td>195.6</td><td>440.9</td><td>651.8</td><td>653.2</td><td>724.8</td><td>9.3</td><td>271.6</td><td>345.5</td></tr>
|
| 270 |
+
<tr><td style="text-align: left; white-space: nowrap;">nvidia/llama-nemotron-rerank-1b-v2</td><td>1.2B</td><td>133.7</td><td>54.4</td><td>131.6</td><td>186.3</td><td>220.0</td><td>243.1</td><td>3.9</td><td>84.9</td><td>95.9</td></tr>
|
| 271 |
+
<tr><td style="text-align: left; white-space: nowrap;">nlpai-lab/LAMAR-600m</td><td>568M</td><td>418.0</td><td>196.5</td><td>442.5</td><td>651.1</td><td>656.7</td><td>742.5</td><td>9.2</td><td>275.0</td><td>343.8</td></tr>
|
| 272 |
+
<tr><td style="text-align: left; white-space: nowrap;">dragonkue/bge-reranker-v2-m3-ko</td><td>568M</td><td>416.9</td><td>195.1</td><td>434.4</td><td>641.3</td><td>653.4</td><td>716.7</td><td>9.2</td><td>271.9</td><td>342.7</td></tr>
|
| 273 |
+
<tr><td style="text-align: left; white-space: nowrap;">BAAI/bge-reranker-v2-gemma</td><td>2.5B</td><td>64.7</td><td>26.1</td><td>60.5</td><td>83.8</td><td>99.8</td><td>106.8</td><td>2.5</td><td>40.0</td><td>44.7</td></tr>
|
| 274 |
+
<tr><td style="text-align: left; white-space: nowrap;">upskyy/ko-reranker-8k</td><td>568M</td><td>411.8</td><td>195.6</td><td>436.2</td><td>641.7</td><td>649.3</td><td>726.0</td><td>9.2</td><td>275.1</td><td>342.8</td></tr>
|
| 275 |
+
<tr><td style="text-align: left; white-space: nowrap;">Dongjin-kr/ko-reranker</td><td>560M</td><td>520.8</td><td>258.0</td><td>468.3</td><td>644.1</td><td>747.6</td><td>765.2</td><td>272.7</td><td>334.4</td><td>381.2</td></tr>
|
| 276 |
+
<tr><td style="text-align: left; white-space: nowrap;">telepix/PIXIE-Spell-Reranker-Preview-0.6B</td><td>596M</td><td>104.6</td><td>49.4</td><td>106.3</td><td>141.5</td><td>160.5</td><td>175.6</td><td>4.3</td><td>72.1</td><td>82.6</td></tr>
|
| 277 |
+
</tbody>
|
| 278 |
+
</table>
|
| 279 |
+
</div>
|
| 280 |
+
</div>
|
| 281 |
|
| 282 |
Batch size starts at 8 and doubles until an out-of-memory error. Samples are repeated to fill complete batches. After warmup, three full passes are timed with CUDA events. Throughput is the total number of processed pairs divided by the accumulated GPU forward time. The highest-throughput successful batch is reported. Tokenization, data loading, and CPU preprocessing are excluded. The batch-search approach is informed by the [Ettin reranker speed benchmark](https://huggingface.co/blog/ettin-reranker#speed).
|
| 283 |
|