voyage-ai

Unveiling Voyage/Rerank-2: A Leap in Reranking Technology

Tal Peretz

07 Jan 2025 — 1 min read

The landscape of search technologies is evolving rapidly, and Voyage AI is at the forefront with its latest models, Voyage/Rerank-2 and Rerank-2-lite. These models promise to redefine how we approach search result accuracy and relevance.

Performance Improvements

Voyage/Rerank-2 enhances search result accuracy by an impressive 13.89% when paired with OpenAI’s latest embedding model, outperforming competitors like Cohere v3 and BGE v2-m3. This leap in performance ensures users access the most relevant information quickly and efficiently.

Extended Context Length

With support for a combined context length of 16,000 tokens, Voyage/Rerank-2 quadruples the capacity of competitors such as Cohere’s reranker. This allows for richer context in query-document pairs, significantly enhancing search relevance.

Multilingual Excellence

These models excel in a multilingual environment, outperforming Cohere multilingual v3 by over 8% across 51 datasets in 31 languages. This capability positions Voyage/Rerank-2 as an essential tool for global applications.

Domain-Specific Superiority

Across various domains, Voyage/Rerank-2 consistently delivers superior results, outperforming previous versions like Rerank-1 and other models such as Cohere v3. This makes it a versatile solution for diverse search needs.

Optimized Latency and Cost

While Voyage/Rerank-2 focuses on maximizing quality, Rerank-2-lite balances speed and cost, improving accuracy by 11.86%. It's perfect for users needing efficient yet precise search capabilities.

Seamless Integration

Available with flexible token-based pricing, these models can be easily integrated into existing search and RAG pipelines. Users can upgrade simply by specifying "rerank-2" or "rerank-2-lite".

Comparative Superiority

In comparative evaluations, Voyage/Rerank-2 and its lite version have demonstrated superior accuracy and context management over leading models from Cohere, Jina AI, and BAAI.

With Voyage/Rerank-2, users are equipped with powerful tools for achieving unmatched search accuracy and relevance, making it an indispensable asset for any search and retrieval application.

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