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What is RankGPT?

RankGPT is a Python toolkit meticulously designed to explore the utilization of generative Large Language Models (LLMs), such as ChatGPT and GPT-4, to enhance relevance ranking in Information Retrieval (IR) systems. It introduces cutting-edge methods, including instructional permutation generation and a sliding window approach, which enable LLMs to efficiently reorder documents. The toolkit supports a variety of LLMs—including GPT-3.5, GPT-4, Claude, Cohere, and Llama2 via LiteLLM—providing extensive modules for retrieval, reranking, evaluation, and response analysis, which streamline the entire process from start to finish. Additionally, it includes a specialized module for in-depth examination of input prompts and outputs from LLMs, addressing reliability challenges related to LLM APIs and the unpredictable nature of Mixture-of-Experts (MoE) models. Moreover, RankGPT is engineered to function with multiple backends, such as SGLang and TensorRT-LLM, ensuring compatibility with a wide range of LLMs. Among its impressive features, the Model Zoo within RankGPT displays various models, including LiT5 and MonoT5, conveniently hosted on Hugging Face, facilitating easy access and implementation for users in their projects. This toolkit not only empowers researchers and developers but also opens up new avenues for improving the efficiency of information retrieval systems through state-of-the-art LLM techniques. Ultimately, RankGPT stands out as an essential resource for anyone looking to push the boundaries of what is possible in the realm of information retrieval.

What is ColBERT?

ColBERT is distinguished as a fast and accurate retrieval model, enabling scalable BERT-based searches across large text collections in just milliseconds. It employs a technique known as fine-grained contextual late interaction, converting each passage into a matrix of token-level embeddings. As part of the search process, it creates an individual matrix for each query and effectively identifies passages that align with the query contextually using scalable vector-similarity operators referred to as MaxSim. This complex interaction model allows ColBERT to outperform conventional single-vector representation models while preserving efficiency with vast datasets. The toolkit comes with crucial elements for retrieval, reranking, evaluation, and response analysis, facilitating comprehensive workflows. ColBERT also integrates effortlessly with Pyserini to enhance retrieval functions and supports integrated evaluation for multi-step processes. Furthermore, it includes a module focused on thorough analysis of input prompts and responses from LLMs, addressing reliability concerns tied to LLM APIs and the erratic behaviors of Mixture-of-Experts models. This feature not only improves the model's robustness but also contributes to its overall reliability in various applications. In summary, ColBERT signifies a major leap forward in the realm of information retrieval.

Media

Media

Integrations Supported

ChatGPT
Claude
Cohere
GPT-3.5
GPT-4
Hugging Face
LiteLLM
Llama 2
NVIDIA TensorRT
Python
RankLLM

Integrations Supported

ChatGPT
Claude
Cohere
GPT-3.5
GPT-4
Hugging Face
LiteLLM
Llama 2
NVIDIA TensorRT
Python
RankLLM

API Availability

Has API

API Availability

Has API

Pricing Information

Free
Free Trial Offered?
Free Version

Pricing Information

Free
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Weiwei Sun

Company Location

United States

Company Website

github.com/sunnweiwei/RankGPT

Company Facts

Organization Name

Future Data Systems

Company Location

United States

Company Website

github.com/stanford-futuredata/ColBERT

Categories and Features

Categories and Features

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