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Open-weight model · Text ranking

jina-reranker-v2-base-multilingual

by Jina AI jinaai/jina-reranker-v2-base-multilingual

The Jina Reranker v2 (jina-reranker-v2-base-multilingual) is a transformer-based model that has been fine-tuned for text reranking task, which is a crucial component in many information retrieval systems.

Parameters278M
Context1,026
Weights5.3 GB
Licensecc-by-nc-4.0
AccessOpen weights
Monthly Downloads1.1M

Runs On

What it takes to serve jina-reranker-v2-base-multilingual (278M parameters): the memory its weights need at each precision, and the cheapest way to rent enough data-center GPUs to hold them.

PrecisionWeightsMemory neededCheapest setupPer hourAlso fits
16-bit 0.6 GB 0.7 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
8-bit 0.3 GB 0.3 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
4-bit 0.1 GB 0.2 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00

Memory is the weights at that precision plus 20% for the runtime and a short context; a long context needs more. Prices are the lowest on-demand hourly rates in the SAVRN Index, read Sep 18, 2026.

SAVRN's Notes on jina-reranker-v2-base-multilingual

Read the license before the spec sheet on this one. jina-reranker-v2-base-multilingual ships under CC BY-NC 4.0, which allows sharing and adapting with credit for non-commercial purposes only; commercial use needs separate permission from the rights holder. Hardware is the easy part. A 278M parameter cross-encoder on XLMRobertaForSequenceClassification needs 0.7 GB at 16-bit, and the cheapest Index listing that holds it is one MI300X with 192 GB at $1.85 an hour, so co-locate it with the embedding and generation models it sits between.

It takes a query and document pair and returns a relevance score, the step between vector search and answer generation. The pair has to fit in 1,026 tokens, so long passages need trimming. Access is open, the 24 files total 5.3 GB across safetensors, ONNX and PyTorch copies, and the last update was October 21, 2025. For a commercial product, get that permission in writing first.

Model Card

The Jina Reranker v2 (jina-reranker-v2-base-multilingual) is a transformer-based model that has been fine-tuned for text reranking task, which is a crucial component in many information retrieval systems. It is a cross-encoder model that takes a query and a document pair as input and outputs a score indicating the relevance of the document to the query. The model is trained on a large dataset of query-document pairs and is capable of reranking documents in multiple languages with high accuracy. Compared with the state-of-the-art reranker models, including the previous released jina-reranker-v1-base-en, the Jina Reranker v2 model has demonstrated competitiveness across a series of benchmarks…

Excerpt from the card by Jina AI, licensed cc-by-nc-4.0.

Configuration

Architecture
XLMRobertaForSequenceClassification
Context length (tokens)
1,026
Layers
12
Hidden size
768
Feed-forward size
3,072
Attention heads
12
Vocabulary size
250,002
Stored precision
bfloat16

Identity and Version

Repository
jinaai/jina-reranker-v2-base-multilingual
Publisher
Jina AI
Task
Text ranking
Modality
Other
Library
transformers
Parameters
278M parameters
Languages
Not stated by the source
Revision
9cfeff2df7d40d1b78e75e5e9cebec92a99813c9
First published
2024-06-19
Last updated
2025-10-21

Files and Weights

24 files, 5.3 GB in total. The weights are 9 files totalling 5.3 GB in bin, onnx, safetensors.

Weights9 files · 5.3 GB
Configuration10 files · 118.6 KB
Tokenizer2 files · 17.1 MB
Documentation1 file · 15.7 KB
Repository2 files · 4.6 KB
Every file
FileTypeSizeSHA-256
model.safetensorsWeights556.9 MB ab2595ab9f34
onnx/model.onnxWeights1.1 GB 0ef3f7978f7b
onnx/model_bnb4.onnxWeights822.1 MB df70759eb3eb
onnx/model_fp16.onnxWeights557.2 MB 4ad94bcc1d73
onnx/model_int8.onnxWeights279.6 MB c5220cf8fe02
onnx/model_q4.onnxWeights827.4 MB a3744ee702ad
onnx/model_quantized.onnxWeights279.6 MB c5220cf8fe02
onnx/model_uint8.onnxWeights279.6 MB 9498f606988b
pytorch_model.binWeights561.6 MB 318b11c3ce6d
block.pyConfiguration19.7 KB
config.jsonConfiguration1.1 KB
configuration_xlm_roberta.pyConfiguration2.7 KB
embedding.pyConfiguration2.6 KB
mha.pyConfiguration28.0 KB
mlp.pyConfiguration6.2 KB
modeling_xlm_roberta.pyConfiguration43.8 KB
special_tokens_map.jsonConfiguration964 B
stochastic_depth.pyConfiguration3.8 KB
xlm_padding.pyConfiguration9.8 KB
README.mdDocumentation15.7 KB
.gitattributesRepository1.6 KB
.gitignoreRepository3.1 KB
tokenizer.jsonTokenizer17.1 MB 3a56def25aa4
tokenizer_config.jsonTokenizer1.1 KB

License and Download

License
cc-by-nc-4.0
Access
Open weights, no gate
Download size
5.3 GB
Download from Jina AI

Released by Jina AI through its official repository on Hugging Face. Read the license.

Memory Requirements

PrecisionWeights in memory
As published5.3 GB
16-bit0.6 GB
8-bit0.3 GB
4-bit0.1 GB

Weights only, from the published parameter count; the key-value cache and runtime add to this.

Questions About jina-reranker-v2-base-multilingual

How much GPU memory does jina-reranker-v2-base-multilingual need?

About 0.7 GB at 16-bit and 0.2 GB at 4-bit: the weights (278M parameters) plus a working margin. A long context needs more.

What is the cheapest GPU to run jina-reranker-v2-base-multilingual on?

At 16-bit, 1x MI300X from $1.85 an hour; at 4-bit, 1x MI300X from $1.85 an hour, at the lowest on-demand prices the SAVRN Index lists.

Can I use jina-reranker-v2-base-multilingual commercially?

Not without separate permission. jina-reranker-v2-base-multilingual is released under Creative Commons Attribution-NonCommercial 4.0. CC BY-NC 4.0 permits sharing and adapting with credit for non-commercial purposes only. Commercial use needs separate permission from the rights holder.

What is jina-reranker-v2-base-multilingual's context length?

1,026 tokens, from the maximum position embeddings in its published configuration.

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