Sold by: Jina AI
Deployed on AWS
A state-of-the-art neural text reranking model supporting 8192 sequence length
Overview
Jina Reranker v1 Base model is a neural text reranking model, designed to enhance the relevance of search results. It complements text embedding models and refines search results by prioritizing documents relevant to a query. This state-of-the-art reranker model enables a variety of applications that rely on precise search results, improved information retrieval, and better data organization.
Use-cases: Vector search, retrieval augmented generation.
See our embedding models (Jina Embeddings v2) on Sagemaker for state-of-the-art 8k embedding models for vector search.
Highlights
- Extended context length: This reranker model is capable of handling queries up to 512 tokens and documents as large as 8192 tokens.
- High performance across the board: This reranking model ranks at the top compared to its competitors, in terms of 'Mean Reciprocal Rank' (MRR), according to BIER, MTEB, LoCo and an independent benchmark by LlamaIndex. A higher MRR represents a higher chance that the most relevant document to a query is returned with the highest relevance score by a reranking model.
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Pricing
Pricing is based on actual usage, with charges varying according to how much you consume. Subscriptions have no end date and may be canceled any time.
Additional AWS infrastructure costs may apply. Use the AWS Pricing Calculator to estimate your infrastructure costs.
Dimension | Description | Cost/host/hour |
|---|---|---|
ml.g4dn.2xlarge Inference (Batch) Recommended | Model inference on the ml.g4dn.2xlarge instance type, batch mode | $2.20 |
ml.g5.xlarge Inference (Real-Time) Recommended | Model inference on the ml.g5.xlarge instance type, real-time mode | $2.50 |
ml.p2.xlarge Inference (Batch) | Model inference on the ml.p2.xlarge instance type, batch mode | $2.30 |
ml.p3.8xlarge Inference (Batch) | Model inference on the ml.p3.8xlarge instance type, batch mode | $25.00 |
ml.g4dn.4xlarge Inference (Batch) | Model inference on the ml.g4dn.4xlarge instance type, batch mode | $4.00 |
ml.p3.2xlarge Inference (Batch) | Model inference on the ml.p3.2xlarge instance type, batch mode | $7.00 |
ml.g4dn.16xlarge Inference (Batch) | Model inference on the ml.g4dn.16xlarge instance type, batch mode | $14.50 |
ml.p2.8xlarge Inference (Batch) | Model inference on the ml.p2.8xlarge instance type, batch mode | $18.00 |
ml.g4dn.8xlarge Inference (Batch) | Model inference on the ml.g4dn.8xlarge instance type, batch mode | $7.60 |
ml.g4dn.12xlarge Inference (Batch) | Model inference on the ml.g4dn.12xlarge instance type, batch mode | $11.25 |
Dimensions summary
You pay by the hour for each host running the model, billed per instance-hour (HostHrs). Pricing is organized by two choices. First, you pick an inference mode: batch, for processing groups of documents at once, or real-time, for immediate ranking. Batch mode covers p2, p3, and g4dn instance families. Real-time mode adds the g5 family alongside p2, p3, and g4dn. Second, you pick an instance size within a family; larger sizes carry more compute and a higher hourly rate. Your total cost scales with the instance size and the number of hours each host runs.
Top-of-mind questions for buyers
One HostHrs unit is one hour that a single model host instance runs. You are billed per instance-hour for the instance type you choose. If you run several hosts at once, each one accrues its own hourly charge, and partial hours are metered as the host runs.
Both meter running instance-hours, so the mechanics match. Batch mode processes groups of documents in scheduled runs, so the host runs only while jobs execute. Real-time mode keeps a host running to answer ranking requests immediately, so it accrues hours continuously while the endpoint stays up.
Software charges accrue per hour only while a host runs. A stopped host stops accruing the hourly software charge. A running real-time endpoint keeps billing even when it receives no ranking requests, since you pay for uptime rather than per document processed.
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Delivery details
Amazon SageMaker model
An Amazon SageMaker model package is a pre-trained machine learning model ready to use without additional training. Use the model package to create a model on Amazon SageMaker for real-time inference or batch processing. Amazon SageMaker is a fully managed platform for building, training, and deploying machine learning models at scale.
Deploy the model on Amazon SageMaker AI using the following options:
Version release notes
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Additional details
Inputs
- Summary
The model accepts JSON inputs. Texts must be passed in the following format.
{ "data": { "documents": [{"text": "the dog is in my house"}, {"text": "he likes dog"}, {"text": "hello world"}], "query": "where is the dog", "top_n": 2 } }
- Input MIME type
- text/csv
https://github.com/jina-ai/jina-sagemaker/blob/main/examples/sample-reranking-inference-input.json
https://github.com/jina-ai/jina-sagemaker/blob/main/examples/sample-reranking-batch-input.csv
Input data descriptions
The following table describes supported input data fields for real-time inference and batch transform.
Field name | Description | Constraints | Required |
|---|---|---|---|
data | A unranked array of texts for reranking. | Type: FreeText | Yes |
documents | A unranked array of texts for reranking. | Type: FreeText | Yes |
data | The query used for reranking. | Type: FreeText | Yes |
query | The query used for reranking. | Type: FreeText | Yes |
data | Top n documents to rerank. | Default value: Number of top-ranked documents to be returned
Type: Integer | No |
top_n | Top n documents to rerank. | Default value: Number of top-ranked documents to be returned
Type: Integer | No |
Resources
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Support
Vendor support
We provide support for this model package through our enterprise support channel.
AWS infrastructure support
AWS Support is a one-on-one, fast-response support channel that is staffed 24x7x365 with experienced and technical support engineers. The service helps customers of all sizes and technical abilities to successfully utilize the products and features provided by Amazon Web Services.
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