---
title: mixedbread-ai/mxbai-rerank-base-v2
description: The crispy rerank family from Mixedbread.. Qwen2, 494M parameters.
canonical_url: https://superlinked.com/models/mixedbread-ai-mxbai-rerank-base-v2
last_updated: 2026-05-24
---

# mixedbread-ai/mxbai-rerank-base-v2

The crispy rerank family from Mixedbread.

Source: [mixedbread-ai/mxbai-rerank-base-v2 on HuggingFace](https://huggingface.co/mixedbread-ai/mxbai-rerank-base-v2)

## Overview

| Field | Value |
|-------|-------|
| Architecture | Qwen2 |
| Parameters | 494M |
| Tasks | Score |
| Outputs | Score |
| Max sequence length | 8,192 tokens |
| License | apache-2.0 |
| Inputs | text |
| Languages | af, am, ar, as, az, be, bg, bn, br, bs, ca, cs, cy, da, de, el, en, eo, es, et, eu, fa, ff, fi, fr, fy, ga, gd, gl, gn, gu, ha, he, hi, hr, ht, hu, hy, id, ig, is, it, ja, jv, ka, kk, km, kn, ko, ku, ky, la, lg, li, ln, lo, lt, lv, mg, mk, ml, mn, mr, ms, my, ne, nl, no, ns, om, or, pa, pl, ps, pt, qu, rm, ro, ru, sa, sc, sd, si, sk, sl, so, sq, sr, ss, su, sv, sw, ta, te, th, tl, tn, tr, ug, uk, ur, uz, vi, wo, xh, yi, yo, zh, zu |

## Benchmarks

### AskUbuntuDupQuestions

Domain: technology · Task: reranking · Language: en

Duplicate question detection from AskUbuntu

Corpus: 6,743 · Queries: 360

**Quality:** ndcg at 10: 0.6638 · map at 10: 0.5047 · mrr at 10: 0.7531

**Performance (L4 b1 c16):** Query 5.0K tok/s · Query p50 58.6ms

[Reference](https://github.com/taolei87/askubuntu)

### CMedQAv1Reranking

Domain: medical · Task: reranking · Language: zh

Chinese medical question answering reranking (v1)

Corpus: 100,000 · Queries: 2,000

**Quality:** map at 10: 0.7981 · mrr at 10: 0.8403

[Reference](https://github.com/zhangsheng93/cMedQA)

### CMedQAv2Reranking

Domain: medical · Task: reranking · Language: zh

Chinese medical question answering reranking (v2)

Corpus: 108,000 · Queries: 4,000

**Quality:** map at 10: 0.8032 · mrr at 10: 0.8469

[Reference](https://github.com/zhangsheng93/cMedQA2)

### CQADupstackPhysicsRetrieval

Domain: scientific · Task: retrieval · Language: en

Duplicate question retrieval from StackExchange Physics

Corpus: 38,314 · Queries: 1,039

**Performance (L4 b1 c16):** Query 4.1K tok/s · Query p50 593.2ms

[Reference](http://nlp.cis.unimelb.edu.au/resources/cqadupstack/)

### CosQA

Domain: technology · Task: retrieval · Language: en

Code search with natural language queries

Corpus: 6,267 · Queries: 500

**Performance (L4 b1 c16):** Query 2.1K tok/s · Query p50 444.7ms

[Reference](https://arxiv.org/abs/2105.13239)

### LegalBenchConsumerContractsQA

Domain: legal · Task: retrieval · Language: en

Question answering on consumer contracts

Corpus: 153 · Queries: 396

**Performance (L4 b1 c16):** Query 14.6K tok/s · Query p50 450.9ms

[Reference](https://huggingface.co/datasets/nguha/legalbench)

### MMarcoReranking

Domain: general · Task: reranking · Language: zh

Multilingual MARCO passage reranking (Chinese)

**Quality:** map at 10: 0.3216 · mrr at 10: 0.3464

[Reference](https://arxiv.org/abs/2304.03679)

### SCIDOCS

Domain: scientific · Task: retrieval · Language: en

Citation prediction, document classification, and recommendation for scientific papers

Corpus: 25,656 · Queries: 1,000

**Performance (L4 b1 c16):** Query 7.0K tok/s · Query p50 457.1ms

[Reference](https://allenai.org/data/scidocs)

### StackOverflowQA

Domain: technology · Task: retrieval · Language: en

Programming question answering from Stack Overflow

Corpus: 19,931 · Queries: 1,994

**Performance (L4 b1 c16):** Query 11.4K tok/s · Query p50 534.8ms

[Reference](https://arxiv.org/abs/2407.02883)

### T2Reranking

Domain: general · Task: reranking · Language: zh

Chinese passage ranking benchmark

**Quality:** map at 10: 0.5466 · mrr at 10: 0.7734

[Reference](https://arxiv.org/abs/2304.03679)