Best Semantic Search Software

Compare the Top Semantic Search Software as of December 2025

What is Semantic Search Software?

Semantic search software is a type of technology that is designed to understand the intent and context of a query as well as extract relevant information from documents. It uses natural language processing and machine learning techniques to interpret user queries in order to figure out what the user is looking for. This type of technology helps to provide users with more accurate search results than traditional keyword-based searches. Semantic search software can be used in many different applications, such as web searching and text analytics. Compare and read user reviews of the best Semantic Search software currently available using the table below. This list is updated regularly.

  • 1
    Site Search 360

    Site Search 360

    Zoovu (Germany) (formerly SEMKNOX)

    Site Search 360 is a smart, ad-free search bar for your website. With a simple drag-and-drop integration, get your search up and running in no time! Let your visitors find exactly what they are looking for, right away. Features of Site Search 360 include: - Quick and easy visual configuration - Autocomplete and search suggestions - Low-to-no-code Search Designer for a customized search UX/UI - Faceted search results (filters) - Semantic search: built-in dictionaries in 19 languages + the ability to add your custom synonyms - In-depth Analytics to help you get the most out of your search: what your visitors look for the most, what results they click on, what queries bring no results, etc. - Full control over search results: boost, reorder, redirect them in no time with our low-to-no-code Result Manager - Integration with Google Analytics and Google Tag Manager - Import of Google Custom Search promotions - Awesome support: via live chat, email, or phone
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    Starting Price: $9.00/month
  • 2
    Cohere

    Cohere

    Cohere AI

    Cohere is an enterprise AI platform that enables developers and businesses to build powerful language-based applications. Specializing in large language models (LLMs), Cohere provides solutions for text generation, summarization, and semantic search. Their model offerings include the Command family for high-performance language tasks and Aya Expanse for multilingual applications across 23 languages. Focused on security and customization, Cohere allows flexible deployment across major cloud providers, private cloud environments, or on-premises setups to meet diverse enterprise needs. The company collaborates with industry leaders like Oracle and Salesforce to integrate generative AI into business applications, improving automation and customer engagement. Additionally, Cohere For AI, their research lab, advances machine learning through open-source projects and a global research community.
    Starting Price: Free
  • 3
    Elasticsearch
    Elastic is a search company. As the creators of the Elastic Stack (Elasticsearch, Kibana, Beats, and Logstash), Elastic builds self-managed and SaaS offerings that make data usable in real time and at scale for search, logging, security, and analytics use cases. Elastic's global community has more than 100,000 members across 45 countries. Since its initial release, Elastic's products have achieved more than 400 million cumulative downloads. Today thousands of organizations, including Cisco, eBay, Dell, Goldman Sachs, Groupon, HP, Microsoft, Netflix, The New York Times, Uber, Verizon, Yelp, and Wikipedia, use the Elastic Stack, and Elastic Cloud to power mission-critical systems that drive new revenue opportunities and massive cost savings. Elastic has headquarters in Amsterdam, The Netherlands, and Mountain View, California; and has over 1,000 employees in more than 35 countries around the world.
  • 4
    IBM Watson Discovery
    Find specific answers and trends from documents and websites using search powered by AI. Watson Discovery is AI-powered search and text-analytics that uses innovative, market-leading natural language processing to understand your industry’s unique language. It finds answers in your content fast and uncovers meaningful business insights from your documents, webpages and big data, cutting research time by more than 75%. Semantic search is much more than keyword search. Unlike traditional search engines, when you ask a question, Watson Discovery adds context to the answer. It quickly combs through content in your connected data sources, pinpoints the most relevant passage and provides the source documents or webpage. A next-level search experience with natural language processing that makes all necessary information easily accessible. Use machine learning to visually label text, tables and images, while surfacing the most relevant results.
    Starting Price: $500 per month
  • 5
    Rinalogy Search
    Almost any search query applied to Big Data returns a very large number of results that are often practically impossible to review. Every user has specific needs. Finding information based on a user query and general data statistics does not produce useful results. eDiscovery, healthcare, financial services, crime, consulting, academia and other fields need to be able to quickly find accurate information. Rinalogy Search is a next generation search tool that uses machine learning to interactively learn from each user to return personalized results based on user’s feedback in real time. Rinalogy Search returns relevancy scores for individual documents in the results for each query. Rinalogy Search can be deployed in clients’ IT infrastructure, close to your data and behind your firewall. Rinalogy allows users to define the level of importance of search concepts by assigning weights to them, which helps finding the results You are looking for.
    Starting Price: $50 per month
  • 6
    Klevu

    Klevu

    Klevu

    Klevu is an intelligent site search solution designed to help e-commerce businesses increase onsite sales and improve the customer online shopping experience. Klevu powers the search and navigation experience of thousands of mid-level and enterprise online retailers by leveraging advanced semantic search, natural language processing, merchandising and multi-lingual capabilities, ensuring visitors to your site find exactly what they are looking for regardless of the device or query complexity. Klevu AI is the most human-centric based AI, designed specifically for ecommerce, and one of the most comprehensive, included in Gartner’s Market Guide 2021 for Digital commerce search. Deliver relevant search results to your customers with Klevu’s powerful and customizable search engine built exclusively for ecommerce.
    Starting Price: $449 per month
  • 7
    Bloomreach

    Bloomreach

    Bloomreach

    Bloomreach personalizes the e-commerce experience. Its data engine unifies real-time customer and product data so businesses understand what customers really want. By connecting that understanding to every channel, the e-commerce experience becomes limitless — reflecting a changing customer as they shop. Amplified by the speed and scale of Loomi, Bloomreach's AI for e-commerce, this creates endless new paths to purchase. Bloomreach products include: Engagement, a marketing automation platform; Discovery, an e-commerce search solution; Content, a headless CMS; and Clarity, AI-powered conversational shopping. The company has multiple AI patents and serves global brands that include Williams-Sonoma, Bosch, Puma, and Marks & Spencer.
  • 8
    Hulbee Enterprise Search
    Security plays a very important role for us, that is why we make the most secure provision in the distribution of rights: Active Directory settings. This ensures 100% that the files are only displayed to the assigned person. Many companies want their own and innovative search for the website or intranet. Through the Hulbee Enterprise Search software, you get a semantic search of the information with a high-quality results relevance. You also have the option to customize your search using API and SDK. Many companies are technically very creative and want to adapt our Hulbee Enterprise Search to their own needs. We will be pleased to provide you this opportunity! Like a lego system, you can customize and extend our software to your IT needs. No matter whether Internet or Intranet, everything can be linked by API and expanded by SDK! You can also connect your own development environment to our search, so you remain independent from third parties.
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    3RDi Search

    3RDi Search

    The Digital Group

    Welcome to the era of Big Data where data-driven insights have the power to transform your business. You're about to discover the solution: a powerful, innovative and adaptive platform power packed with every feature you need for Search, Discovery & Analytics of your data. We have named it 3RDi "Third Eye". It's the semantic search engine your enterprise needs to help you take action, boost revenues and cut costs! Powered by NLP and semantic search, it is designed for multidimensional information analysis and easy search relevancy management. Discover the comprehensive scalable platform for every challenge in search & text mining, from management and exploitation of unstructured content to deriving deeper actionable insights that boost your business. 3RDi isn't merely a search solution. It is a comprehensive stack of solutions for text mining, enterprise search, content integration, governance, analytics and much more.
  • 10
    LupaSearch

    LupaSearch

    LupaSearch

    LupaSearch is an advanced AI-driven search and discovery platform designed to enhance user experiences. Our engineers have developed cutting-edge technology that combines powerful natural language processing, vector search, and advanced keyword matching in one seamless API. The stats are in our favor: we boast a 100% client retention rate, and our search speed is a significant improvement over industry standards, ranging from 60-250ms. At LupaSearch, we put skin in the game by committing to contracts that align with our clients' goals, ensuring we deliver measurable results. LupaSearch handles millions of search requests globally with exceptional speed and accuracy, empowering businesses to deliver precise and scalable search experiences.
    Starting Price: $200/month
  • 11
    Vertex AI Search
    Google Cloud's Vertex AI Search is a comprehensive, enterprise-grade search and retrieval platform that leverages Google's advanced AI technologies to deliver high-quality search experiences across various applications. It enables organizations to build secure, scalable search solutions for websites, intranets, and generative AI applications. It supports both structured and unstructured data, offering capabilities such as semantic search, vector search, and Retrieval Augmented Generation (RAG) systems, which combine large language models with data retrieval to enhance the accuracy and relevance of AI-generated responses. Vertex AI Search integrates seamlessly with Google's Document AI suite, facilitating efficient document understanding and processing. It also provides specialized solutions tailored to specific industries, including retail, media, and healthcare, to address unique search and recommendation needs.
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    Apache Lucene

    Apache Lucene

    Apache Software Foundation

    The Apache Lucene™ project develops open-source search software. The project releases a core search library, named Lucene™ core, as well as PyLucene, a python binding for Lucene. Lucene Core is a Java library providing powerful indexing and search features, as well as spellchecking, hit highlighting and advanced analysis/tokenization capabilities. The PyLucene sub project provides Python bindings for Lucene Core. The Apache Software Foundation provides support for the Apache community of open-source software projects. Apache Lucene is distributed under a commercially friendly Apache Software license. Apache Lucene set the standard for search and indexing performance. Lucene is the search core of both Apache Solr™ and Elasticsearch™. Our core algorithms along with the Solr search server power applications the world over, ranging from mobile devices to sites like Twitter, Apple and Wikipedia. The goal of Apache Lucene is to provide world class search capabilities.
  • 13
    JAQI

    JAQI

    Metal Networks.AI

    Copy and paste queries or type right into our search box and our AI technology takes care of the rest. Increases efficiency by 50-80% with accurate search results. JAQI® makes life easier by translating the way a buyer describes products into searchable terms. Your ecommerce customers or sales reps no longer need to do the "matching" to your catalog. Our search technology supports industrial materials with flexible customization options. Say goodbye to searching one line item at a time using inefficient drop-down menus or filters. Search 10, 20, or even 100+ line items simultaneously and add to your quote in seconds. JAQI API plug-in easily integrates into ecommerce applications such as websites & ERP systems to power fast and accurate search results for your customers. Our technology makes it faster & easier than ever before to find any product in any catalog in any format. JAQI powers your ecommerce website or ERP with AI search technology.
  • 14
    Objective

    Objective

    Objective

    Objective is a multimodal search API that works for you, not the other way around. Objective understands your data & your users, enabling natural and relevant results. Even when your data is inconsistent or incomplete. Objective understands human language, and ‘sees’ inside images. Your web & mobile app search can understand what users mean, and even relate that to the meaning it sees in images. Objective understands the relationships between huge text articles and the parts of content in each, letting you build context-rich text search experiences. Best-in-class search comes from layering all the best search techniques. It’s not about any single approach. It’s about a curated, tight top-to-bottom integration of all the best search & retrieval techniques in the world. Evaluate search results at scale. Anton is your evaluation copilot that can judge search results with near‑human precision, available in an on‑demand API.
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