# Optimize Search Precision with Reranking on Heroku AI

DevFeed: [Optimize Search Precision with Reranking on Heroku AI](<https://devfeed.tech/articles/optimize-search-precision-with-reranking-on-heroku-ai-26479.md>)

Original publisher: [Read original article](<https://www.heroku.com/blog/optimize-search-precision-reranking-heroku-ai/>)

Author: Anush DSouza

Published: 2026-01-15T16:00:48Z

Content type: release

Language: en

Sources: [Heroku](<https://devfeed.tech/sources/heroku.md>)

Topics: [Heroku](<https://devfeed.tech/topics/heroku.md>), [Inference](<https://devfeed.tech/topics/inference.md>), [Retrieval-Augmented Generation](<https://devfeed.tech/topics/retrieval-augmented-generation.md>), [model-deployment](<https://devfeed.tech/topics/model-deployment.md>), [amazon](<https://devfeed.tech/topics/amazon.md>), [cohere](<https://devfeed.tech/topics/cohere.md>)

Tags: [ai](<https://devfeed.tech/tags/ai.md>), [api](<https://devfeed.tech/tags/api.md>), [availability](<https://devfeed.tech/tags/availability.md>), [heroku](<https://devfeed.tech/tags/heroku.md>), [heroku-ai](<https://devfeed.tech/tags/heroku-ai.md>), [inference](<https://devfeed.tech/tags/inference.md>), [managed-inference-and-agents](<https://devfeed.tech/tags/managed-inference-and-agents.md>), [news](<https://devfeed.tech/tags/news.md>), [rag](<https://devfeed.tech/tags/rag.md>), [retrieval-augmented-generation](<https://devfeed.tech/tags/retrieval-augmented-generation.md>)

## AI overview

Heroku announces general availability of reranking models in Heroku Managed Inference and Agents, with support for Cohere Rerank 3.5 and Amazon Rerank 1.0. The article explains how semantic reranking can improve RAG pipelines by filtering documents for query relevance and reducing noise and token costs.

## Source excerpt

Today, we are announcing the general availability of reranking models on Heroku Managed Inference and Agents, featuring support for Cohere Rerank 3.5 and Amazon Rerank 1.0. Semantic reranking models score documents based on their relevance to a specific query. Unlike keyword search or vector similarity, rerank models understand nuanced semantic relationships to identify the most [...] The post Optimize Search Precision with Reranking on Heroku AI appeared first on Heroku.