Best 133 AI Search Tools of 2025

AI Answer Generator is an online tool powered by advanced AI models that can instantly generate accurate answers related to the input question. Users just need to enter their question to get immediate and relevant answers without registration or technical skills. This tool is applicable for knowledge lookup, fact verification, learning research, brainstorming, writing translation and language learning, productivity, Q&A, as well as general curiosity and inspiration.

Baidu Search Open Platform's AI Open Program offers application developers the opportunity for precise traffic distribution to hundreds of millions of users. With the support of AI technology, developers can quickly integrate with the Baidu search engine, improving application exposure and user visits. The platform also provides multi-dimensional incentive support to help developers find suitable business models.

Ai2 PaperFinder is an online tool dedicated to helping researchers quickly find the literature they need. The platform brings together over 8 million full-text papers and 108 million abstracts, with powerful literature retrieval and synthesis capabilities. Through simple keyword searches, users can quickly access relevant research, greatly improving research efficiency. The product is born from an urgent need for research literature and is priced as free, suitable for all types of researchers.

Contextual AI Reranker is a revolutionary AI model designed to solve information conflicts and inaccurate ranking issues in enterprise-level Retrieval Augmented Generation (RAG) systems. It can accurately rank retrieval results based on user-provided natural language instructions, ensuring that the most relevant information is displayed first. This product is based on advanced AI technology and has demonstrated excellent performance through industry-standard BEIR benchmark tests and internal dataset validation. Its main advantages include high accuracy, strong instruction-following capabilities, and flexible customization options, suitable for various fields such as finance, technology, and professional services. The product currently offers a free trial and is accessed via API, facilitating quick deployment and use by enterprises.

AI Mode is an experimental feature in Google Search, developed based on the Gemini 2.0 model. It leverages advanced reasoning and multimodal capabilities to provide users with deeper, more comprehensive search results. This feature aims to help users more efficiently handle complex, multi-part questions and deliver high-quality responses using real-time data and knowledge graphs. The launch of AI Mode reflects Google's ongoing innovation in enhancing the search experience and showcases the potential of generative AI in information retrieval.

Scira is an AI-powered search engine designed to provide users with a more efficient and accurate information retrieval experience through a powerful language model and search capabilities. It supports multiple language models, such as Grok 2.0 and Claude 3.5 Sonnet, and integrates search tools like Tavily, providing features such as web search, programming code execution, and weather queries. Scira's main advantages are its simple interface and powerful feature integration, making it suitable for users who are dissatisfied with traditional search engines and want to use AI to improve search efficiency. This project is open-source and free; users can deploy it locally or use the online service provided according to their needs.

Exa Websets is an innovative search engine focused on precise search for complex queries. Through a custom embedded search algorithm, it can retrieve accurate results that meet multiple criteria. The core technology of this product lies in its powerful multi-agent search architecture, which can handle complex multi-criteria queries and is suitable for scenarios requiring precise data retrieval. The main advantages of Exa Websets are its high precision and high recall rate, especially excelling in complex queries. The product is currently in its early stages and primarily targets developers and enterprise users. Pricing is determined by usage and computational resource requirements.

Jina DeepSearch is a product based on deep search technology. By combining web search, reading, and reasoning capabilities, it can solve complex problems that require iterative reasoning and the latest information. It is fully compatible with the OpenAI Chat API and supports integration with various clients. Its main advantage is the ability to dynamically adjust the search and reasoning process, providing high-quality answers. The product is positioned for users who need in-depth research and complex problem-solving. Pricing is based on token usage, with both free trials and paid subscriptions available.

Xyne is an AI-driven search and answering engine aimed at work contexts. It integrates various internal application data, providing precise information retrieval and answer generation services. Core technologies of Xyne include semantic graphs and context-based retrieval augmentation (RAG) capable of understanding relationships among knowledge, personnel, communications, and projects to deliver more comprehensive search results. Its key benefits include being open-source, privacy-focused, flexibly deployable (on-premises, cloud, or device-based), and seamlessly compatible with existing permission systems. Xyne is positioned as a privacy-first, open-source work AI platform ideal for enterprises and teams that require efficient information retrieval and knowledge management.

As an artificial intelligence search engine, Lumina focuses on providing researchers with more precise and efficient information retrieval services. It employs advanced AI technology to deeply understand users' query intentions and quickly filter the most relevant content from vast academic databases. Compared to traditional search engines, Lumina's relevance in academic research is five times greater, significantly enhancing researchers' workflow efficiency. This product is incubated by Y Combinator and boasts a professional development team with robust technical support, dedicated to delivering a high-quality search experience. Currently, Lumina offers free trials, and users can register on its official website to utilize the service.

Gemini-Search is an AI search engine that emulates Perplexity, utilizing Google's Gemini 2.0 Flash model and Google Search API to deliver real-time web search results and citations, helping users quickly access accurate information. Its main advantages include fast response times and a clear user interface, enhancing efficiency in information retrieval. The product is currently free and suitable for users of all sizes.

ithy is a comprehensive AI platform that offers fast and detailed web search services. By analyzing user queries, it provides precise search results to help users save search time. With its efficient search capabilities and wide coverage of information, ithy has become an essential tool for users seeking information. The product background shows that ithy is dedicated to providing users with a comprehensive and efficient search experience, whether for everyday information inquiries or knowledge exploration in specialized fields.

ModernBERT-large is a state-of-the-art bidirectional encoder Transformer model (BERT style) pre-trained on 2 trillion tokens of English and code data, with a native context length of up to 8192 tokens. This model incorporates the latest architectural improvements such as Rotary Positional Embeddings (RoPE) for long-context support, local-global alternating attention for enhanced efficiency with long inputs, and padding-free and Flash Attention for improved inference speed. ModernBERT-long is suitable for tasks involving the handling of long documents, such as retrieval, classification, and semantic search within large corpora. The training data primarily consists of English and code, which may result in lower performance with other languages.

Grok Button is a browser extension that integrates the powerful capabilities of Grok AI directly into the user's browser, allowing them to ask Grok questions and receive instant intelligent answers anytime, anywhere through the browser bar or with a single click. The primary advantages of this extension are its convenience and immediacy, enabling users to access information without leaving their current page, significantly enhancing the efficiency of information retrieval. The background of Grok Button indicates that it was developed by a group of enthusiasts passionate about Grok technology. Although it is not directly affiliated with Grok itself, its design philosophy and functional implementation reflect the core values of Grok AI. Grok Button is currently free and primarily aimed at improving user interaction experiences in browsers.

Gensmo is a next-generation AI search application that combines the power of image and text search to provide users with personalized and highly interactive search results. Whether you are looking for creative outfit ideas, unique Christmas gift inspirations, or fresh home decor concepts, Gensmo has you covered. This product represents innovative applications of AI technology in the field of image search, displaying results through dynamic collages that spark users' creativity. Each collage is fully interactive, allowing users to click to view product details, exchange items, or purchase directly. Gensmo aims to simplify users' lives through AI technology, providing a more enjoyable and creative search experience.

Hika AI is a free knowledge acquisition engine that provides thoughtful answers by conducting real-time searches of the internet along with an integrated knowledge base. It not only offers textual information but also visually represents the relationships between concepts through chart analysis, supports deep interpretation of paragraphs, and provides key follow-up questions to enhance user search habits. Hika AI is currently in the early stages of product development and will undergo significant iterations in the future.

Grok is an AI assistant app developed by X.AI Corp, designed to provide the most genuine, useful, and inquisitive answers. Users can ask Grok any questions, generate captivating images, and upload pictures for deeper insights into the world. With its high-quality image generation, real-time data updates, conversational humor, and privacy-focused features, Grok offers users a secure and efficient AI experience platform.

Deta Surf is an AI-powered browser that integrates artificial intelligence technology to provide a new web browsing experience. This browser can handle multiple tabs, podcasts, and vast amounts of web content while responding quickly to user queries. Deta Surf emphasizes local data storage, ensuring that data is first stored on the user's device and then backed up in the cloud, enhancing data security and privacy. Developed by a team based in Berlin, Deta Surf aims to deliver a computing experience that enhances human intelligence while feeling approachable.

Exa Websets is a product dedicated to delivering a flawless web search experience. It employs Exa's web-scale vector search technology, ensuring that each search result is researched and validated by AI agents to guarantee accuracy. Users can simply write their queries in plain English without the need for complex filters or confusing interfaces. Exa Websets is suitable for sales, recruiting, investing, research, and curiosity-driven exploration, serving as an AI-driven custom data retrieval tool for knowledge workers.

PodQuest is a podcast discovery engine that helps users find, subscribe to, and listen to the best podcasts globally through its smart search system. The product's major advantages include intelligent search, one-click subscription, and personalized recommendations. PodQuest boasts background information that includes over 10,000 podcasts, more than 2 million episodes and chapters, and over 10,000 queries, making it a content-rich podcast platform. Currently, the product offers free services, catering to all podcast enthusiasts.

Nano Search is a tool designed to simulate human thinking processes, offering users a groundbreaking search experience through a slow thinking model supported by expert collaboration (CoE). By analyzing user search needs, it showcases existing text, images, and video content and allows for rewriting and creation of search results. This helps users gain a deeper understanding and exploration of information. The primary advantage of Nano Search lies in its ability to transform search results into creative resources, enabling video production and fundamentally redefining the concept and form of search engines.

DeLiFaSow is a smart legal system developed on the basis of a legal large model, offering an 'AI + Lawyer' solution aimed at enhancing the efficiency and quality of legal services through intelligent means. Background information indicates that DeLiFaSow contains over 500 million legal data entries, including two major specialized databases on intellectual property and real estate engineering, with real-time data updates and multiple retrieval methods, facilitating multi-dimensional presentations of results. The product positions itself as a leader in the intelligent transformation of the legal industry, providing comprehensive support for legal professionals through advanced technology.

Inquir is a powerful tool designed to create personalized search engines tailored to your data. It unlocks features such as custom search solutions, data aggregation, AI-driven Retrieval-Augmented Generation (RAG) systems, and context-aware search capabilities. Take the first step towards enhancing user experience by launching your engine or scheduling a demonstration.

Ask The Post AI is an AI-driven product launched by The Washington Post, allowing readers to ask questions about all articles published since 2016. This product leverages generative AI technology and a conversational format, aligning with The Washington Post's long-standing tradition of fact-based, in-depth reporting, to delight and inform readers in a novel way. Ask The Post AI enhances how to search and match articles related to user queries by refining data from the Climate Answers tool through machine learning techniques.

NVIDIA Video Search and Summarization is a model that utilizes deep learning and artificial intelligence technology to process large amounts of real-time or archived video, extracting information for summarization and interactive Q&A. This product represents the latest advancements in video content analysis and processing technology. By employing generative AI and video-to-text techniques, it provides users with a novel approach to video content management and retrieval. Key advantages of NVIDIA Video Search and Summarization include efficient video content analysis, accurate summary generation, and interactive Q&A capabilities, which are critical for enterprises dealing with vast quantities of video data. Background information indicates NVIDIA's commitment to advancing intelligent processing and analysis of video content through its cutting-edge AI models.

VoteGPT is an election assistance website that helps users understand the positions of different candidates and parties through information sourced from official policies and Wikipedia. The key advantage of this product is its provision of simple, honest, and unbiased information, assisting users in making more informed choices in elections. Background information indicates that it was created by Ethical.net to serve the American public.

kelindar/search is a Go language library that provides functionality for embedded vector search and semantic embeddings, built on llama.cpp. This library is particularly suitable for small to medium-sized projects that require powerful semantic search capabilities while maintaining a simple and efficient implementation. It supports GGUF BERT models, allowing users to leverage advanced embedding techniques without delving into the complexities of traditional search systems. The library also offers GPU acceleration for fast computations on supported hardware. If your dataset contains fewer than 100,000 entries, this library can be easily integrated into your Go application to implement semantic search features.

Vectorize is a platform focused on transforming unstructured data into optimized vector search indices, specifically designed for retrieval-augmented generation (RAG). By connecting various data sources such as content management systems, file systems, CRM, and collaboration tools, it helps users create productivity-enhancing assistant systems and innovative customer experiences. Key advantages of Vectorize include ease of use, rapid deployment, and high-accuracy search results, making it suitable for enterprises that need to handle large amounts of data and wish to quickly realize AI applications.

The Zhipu Qingyan browser extension is an AI assistant designed to enhance users' web browsing experience. By utilizing intelligent search and precise answering capabilities, it helps users quickly obtain the information they need and improve work efficiency. Developed by Beijing Zhipu Huazhang Technology Co., Ltd., this modern productivity tool integrates artificial intelligence technology. The latest version of the extension is 1.0.4 and has been optimized for Google Chrome and Microsoft Edge browsers.

ReviewPower is an integrated platform that consolidates reviews from G2 and Capterra, providing powerful features to help users derive new value from trusted reviews. By combining reviews from these two platforms and employing advanced filtering and search options, users can easily find reviews that meet specific needs. Additionally, the platform offers AI assistance, utilizing the Chat GPT-4 model to help users process, analyze, and summarize reviews to extract even more value.