Overview
A cross-encoder reranker for scientific literature, fine-tuned from Alibaba-NLP/gte-reranker-modernbert-base on peer-review-to-paper pairs. Give it a query and candidate papers from any search system; it returns them ranked by true relevance.
Beats OpenAI embeddings
On a held-out benchmark of 3,157 queries over 1,534 scientific papers (9-way ranking with hard negatives), it picks the correct paper first 93% of the time vs 68% for OpenAI's general embeddings (+25 points), with MRR 95.6% vs 74.5%. It lands the right paper in the top 3 98.2% of the time and cut its base model's error rate by 57%. The benchmark is public: https://huggingface.co/datasets/NYSgpt/44b-eval
Input and output
Input: JSON {"query": "text", "documents": ["text", ...]}. Output: relevance scores and a ranking, highest first.
Runs entirely in your account
CPU inference on ml.m5 and ml.c5 instances. Model card: https://huggingface.co/NYSgpt/44b-reranker
Highlights
- Beats OpenAI embeddings: 93% vs 68% top-1 accuracy at ranking scientific papers
- Right paper in the top 3 98.2% of the time on a held-out benchmark
- CPU inference; your data never leaves your AWS account
Details
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Pricing
Dimension | Description | Cost/host/hour |
|---|---|---|
ml.m5.xlarge Inference (Batch) Recommended | Model inference on the ml.m5.xlarge instance type, batch mode | $3.75 |
ml.m5.xlarge Inference (Real-Time) Recommended | Model inference on the ml.m5.xlarge instance type, real-time mode | $3.75 |
ml.m5.2xlarge Inference (Batch) | Model inference on the ml.m5.2xlarge instance type, batch mode | $3.75 |
ml.m5.2xlarge Inference (Real-Time) | Model inference on the ml.m5.2xlarge instance type, real-time mode | $3.75 |
ml.c5.2xlarge Inference (Real-Time) | Model inference on the ml.c5.2xlarge instance type, real-time mode | $3.75 |
Vendor refund policy
Software fees are billed hourly while your endpoint or batch job runs; stop the endpoint to stop charges. Contact Brendan@nysgpt.com about billing issues within 30 days.
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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.
Version release notes
Initial release.
Additional details
Inputs
- Summary
A query and a list of candidate documents: JSON {"query": "text", "documents": ["text", ...], "top_k": 10}, or {"pairs": [["query", "document"], ...]}.
- Limitations for input type
- Queries and documents are trimmed to the lengths used in training.
- Input MIME type
- application/json
Support
Vendor support
Support by email from the publisher (Brendan@nysgpt.com ); typical response within one business day. Usage notebook:
AWS infrastructure support
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