2025 AI Search Tool Recommendations: A Comparison of 9 High-Performance AI Search Engines (Free Options Overview)

GenericsAIThe next generation of search technology completely upgrades the search experience! In 2025,AI SearchIt has become a "digital tool" for information acquisition and knowledge problem-solving. This article summarizes the latest technology trends and real-world testing. 10 representative AI search enginesIt covers multiple scenarios including Google AI Overview, Perplexity, Bing, Wolfram Alpha, etc. A comprehensive evaluation of selected free options, professional features, and user experience.It helps you choose the most suitable smart search tool according to your needs and uses AI to accelerate information retrieval!

2025 AI Search Tool Recommendations: A Comparison of 9 High-Performance AI Search Engines (Free Options Overview)

With the evolution of generative AI technology, AI search has fundamentally changed how people acquire knowledge, solve problems, and find resources. This has impacted everything from IT professionals and students to enterprise users.Significantly improve information retrieval and user experience with AI search enginesIt has become a key to "efficient digital living" and competitive advantage. This article reviews the latest assessments and international technology trends in 2025. 9 of the most recommended AI search engines(And marked as a free option), to help you accelerate your intelligence.

Overview of AI Search Engine Recommendations

AI Search Tool Real-World Experience Comparison

I. General-purpose AI search engine

1. Google AI Overview (Google Search has built-in AI)

Google AI Overview This year, it officially entered the global user's field of vision, generating integrated answers directly above Google search results, covering...Popular questions and answers, science, technologyThese topics are particularly suitable for beginners in daily life and academic studies.

• AI directly generates answer summaries, avoiding the need to click on multiple links.
• Citing multiple authoritative sources, fully integrated with Google search.
• The scope of the problem is wide, and it's basically free with no additional registration required.

Real-world testing experienceIt performs exceptionally well when answering everyday questions and quickly finding key points, providing broad information coverage, but occasionally offers only superficial responses (suitable for initial information retrieval).

Enter Google AI Overview Trial use.

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2. Perplexity AI

Increasingly well-known in the business and academic fields Perplexity AI，Emphasis on traceable citations + cross-language performanceIt allows users to customize the search scope and track sources, and supports multiple rounds of follow-up questions.

• The answers all have links to literature, news, and website sources.
• Supports Chinese and English, and also has a chat mode.
• The paid version supports GPT-4o and offers an advanced experience with large models.

Real-world testing experienceExtremely useful for researchers and content marketers when reviewing and citing data. Suitable for users who create high-quality content and prepare cross-language presentations.

II. Professional Scenarios/Vertical Fields AI Search Engine

3. Microsoft Copilot (Bing AI)

Copilot (formerly Bing Chat) It is a classic example of Microsoft's integrated AI transformation. It supports multi-turn contextualization and is deeply integrated with Microsoft 365 to enhance office automation.

• It can import documents and Excel files for AI analysis.
• Deep integration with the Windows 11 Start bar
• Supports images, web pages, and multimodal interaction.

Real-world testing experienceThe preferred choice for Windows ecosystem users. It offers user-friendly automation for office reports, data searches, and meeting minutes.

experience Microsoft Copilot。

4. Phind

An AI search engine designed specifically for programming and technology fields.Phind Use AI to summarize content from expert forums such as Stack Overflow and GitHub.

• Search for technical Q&A related to Conda Shell, Python, and Web frameworks.
• Supports context-based progressive question answering
• The basic version is free; advanced versions include more code analysis and policies.

Real-world testing experienceIt's faster and more direct than Google when debugging and performing calculations, making it suitable for students and engineers.

5. You.com

You.com It focuses on a customizable search experience, featuring AI writing, programmable translation, and image generation capabilities, and allows the installation of plugins to further enrich the search experience.

• Adjustable boundaries (website/forum/community/academic)
• Supports chat query and condition filtering.
• Suitable for people who need multi-dimensional content

Real-world testing experienceIt excels when searching for academic papers, forum discussions, and multimodal information, and can enhance workflow and content collaboration.

III. Unique AI Search/Innovative User Experience

6. Andi

Andi With a minimalist interface andDialogue-based interactive AI searchIt stands out by focusing on a lightweight mobile experience.

• Integrating calendar lookup and AI note generation
• Preferred by young users, excellent for social media search.
• The answers are straightforward, and the search links are neatly formatted.

Real-world testing experienceIt's a user-friendly app for university life and quick mobile searches. Suitable for Generation Z and those who want instant results.

7. Brave Search

Brave Search 是High importance is attached to privacy and security.AI search engine: self-developed index, no account required, no ads, no tracking.

• AI-powered Summarizer can be enabled.
• Supports Goggles custom index sorting
• Enhanced anonymity; search records are not archived.

Real-world testing experience: For groups that value online privacy and want to avoid commercial tracking.

IV. Advanced Research/Geek-Favorite AI Search

8. NeevaAI (Kagi)

The original NeevaAI team has moved on to running Kagi Search.，Focus on advanced users, in-depth content, and an ad-free approach.。

• Customizable domain whitelist and priority filtering.
• Supports AI-generated answer summaries and real-time document retrieval.
• Paid access (trial available) to a database of millions of academic research papers.

Real-world testing experiencePriority will be given to professionals, doctors, engineers, and other high-demand users. No ads, zero interference, and a strong sense of professionalism.

9. Wolfram Alpha

Wolfram Alpha It is a global leader in searching for mathematical/computational knowledge.AI-driven automated data query。

• Fully automated calculation of science, engineering, business, scientific, and financial data
• Formula derivation, graph drawing, and data collection
• Free for regular users; advanced features are available for a fee.

Real-world testing experienceA perfect teammate for STEM students, teachers, and business data analysts.

AI Search Tool Selection Recommendations and Application Scenarios

When choosing an AI search tool, it is recommended to decide based on your usage scenario:

• Want to easily find answers to everyday questions or scientific encyclopedia entries?Google AI Overview, Bing It can cover the needs of the general public for 99%.
• Do I need to conduct research, cite data, and verify its authenticity?Perplexity AI, You.com, NeevaAI (Kagi)More suitable.
• Extremely sensitive to personal privacy? YanxuanBrave Search。
• Mathematical calculations or academic verification?Wolfram Alpha It is an essential skill for professionals.
• Engineering or software development?Phind The performance was above average.
• Do I need a custom workflow that integrates programming and AI?You.com The plugin ecosystem is worth exploring.

Advanced application scenarios:

• Students write reports:Get answers with Google AI Overview and Wolfram Alpha, track sources with Perplexity, and generate summaries of reports using AI.
• Internal Company Analysis:Copilot (industry-specific) or Perplexity (multi-source comparison), plus Kagi deep search, to aid decision-making.
• Technology/Geek Community:Combine multiple tools, along with APIs and plugins to customize workflows, and create your own AI search assistant ecosystem.

In 2025, AI search tools are breaking through the boundaries of human-machine search, with many new players emerging, but their uses and experiences vary greatly.Choosing the right AI search engine will usher in an era of exponentially increased efficiency in your information retrieval!Whether you're a beginner looking for simple questions, or a professional content creator, researcher, or programmer, you can find the perfect AI search tool for you in this recommended list.Trying it out and experiencing it is the best way to grasp this wave of digital revolution.

Chat endlessly with AI characters and start your own story.

Interact with a vast array of 2D and 3D characters and experience truly unlimited AI role-playing dialogue. Join now! New users receive 6000 points upon login!

How to play?Try it for free now →