LeChat: The Most Practical and Comprehensive AI Chat Assistant Review and User Guide for 2025
In 2025,AI chat assistantLe Chat has become an integral part of personal and business life, making it the top choice for many users. This article provides an in-depth comparative analysis of mainstream AI assistants, focusing on "LeChat's" core advantages such as speed, security, and cross-platform compatibility.It also provides detailed registration and operation guides to help you choose the right tools and get started quickly and efficiently. We recommend focusing on highlights such as data privacy, team collaboration, and intelligent agent functionality to usher in a new era of efficient and intelligent living!

Industry Trends and the Value of AI Chat Assistants
The AI chat assistant market is projected to grow rapidly by 2025. With... Advanced large-scale models such as OpenAI GPT-4o, Google Gemini, and Anthropic Claude have been released.AI assistants are gradually becoming the digital infrastructure and innovation engine for life and work. Among them, platforms such as "LeChat" are...Connecting knowledge, work, and life scenarios。
With over 1.5 billion active users worldwide, the market continues to experience robust growth.
| years | Active users (100 million) | Mainstream AI chat assistants | Market growth rate |
|---|---|---|---|
| 2023 | 8 | ChatGPT, Bard, Copilot | 48% |
| 2024 | 12 | Claude, Gemini, le chat | 50% |
| 2025 | 15 | le chat, ChatGPT, Gemini | 25% |
Overview of LeChat and major AI chat assistants
The following is a comparison of the core parameters of mainstream AI assistants in 2025, helping you to easily choose the most suitable tool:





| product | Target audience | Key Highlights | Multimodal support | Price range | Official website |
|---|---|---|---|---|---|
| le chat | General | Lightning-fast response, data security, and multi-platform synchronization | support | Free/Paid | le chat |
| ChatGPT-4o | Professional/Personal | Multilingual, multimodal, agent collaboration | support | Free/Plus/Pro | OpenAI ChatGPT |
| Google Gemini | Enterprise/Office | Google ecosystem integration, real-time search | support | Free/Subscription | Gemini |
| Claude 3 | Academic/Content Creation | Strong logic, privacy protection, and persistent context | part | Free/Pro | Claude |
| Copilot | Business/Development | Microsoft integration, code spreadsheet collaboration | part | Free/MS subscription | Copilot |
LeChat In-Depth Review
Product positioning and current development status
LeChat emphasizes privacy and security, multi-platform compatibility, and ultra-fast response. Rapidly gain market share by 2025. Supports Web, iOS/Android, Windows, etc., with an average...0.7-second response timeData encryption reaches GDPR level, and the advantages of team knowledge collaboration and local storage are prominent.

Main functions and features
- Rapid Q&A and Knowledge Retrieval: Multimodal large model, flexible handling of documents, images and voice, "Instant Search" responds in 0.7 seconds.
- Teamwork: Group chats can be synchronized across multiple devices, and files and notes can be collected in a tiered access control system to prevent data leakage.
- Custom intelligent agents: The Agent Automated Streaming feature, launched in 2025, is suitable for high-frequency, repetitive task automation scenarios.
- Local storage: Sensitive information can be set not to be uploaded to the cloud, meeting enterprise-level compliance requirements.
Practical scenario demonstration
- Personal office: Email organization, schedule reminders, and knowledge archiving.
- Business/Education: Project progress tracking, document collaboration, and academic Q&A.
- Creative Writing/Design: Content generation and keyword brainstorming.
- Programming and Data: Code review, table analysis, one-click translation.

Comparative Analysis of Mainstream AI Chat Assistant Functions
The table below clearly compares the performance of lechat with ChatGPT, Gemini, and others in terms of natural language processing, multimodal communication, collaboration, and security:
| Function | le chat | ChatGPT-4o | Google Gemini | Claude 3 | Copilot |
|---|---|---|---|---|---|
| Natural Language Understanding | 强 | Extremely strong | 强 | Extremely strong | 强 |
| Multimodal input | Text/Image/Voice | Text/Image/Audio | Text/Image/Table | Text/Partial Image | Text/Code |
| Document Collaboration | support | part | 强 | Not supported | 强 |
| Response speed | Extreme speed | 快 | 中 | 快 | 快 |
| Data security | Local/Cloud Selectable | cloud | cloud | cloud | cloud |
| Custom Agent | Easy to use | Programming required | part | part | 中 |
| API Integration | support | support | support | Beta | support |
| Price range | Free/Paid | Free/Paid | Free/Paid | Free/Paid | Free/Paid |
LeChat Registration and Getting Started Guide
Registration and installation process
- Official website registration: accessLeChat official websiteRegister quickly using your email address or phone number.
- Client download: Download the desktop or mobile app from the official website or major app stores, making sure to look for the official logo.
- First login: Supports individual/team modes for beginners to choose from, and includes detailed instructions.
Quickly get started with commonly used functions
- Intelligent Q&A: Get an instant response to your question; supports text, images, and voice input, easily handling complex multimodal tasks.
- Importing files from the knowledge base: Supports Word, PDF, PPT, and other formats, with automatic summarization and intelligent recommendations.
- Collaborative Grouping: Easily create teams, offer flexible permissions, and allow for content review.
- Agent configuration: Personalized agents that automate individual workflows.

Important Notes on Payment and Subscription
| Version | Core Rights and Interests Explanation | Price range |
|---|---|---|
| Le Chat Free | Basic dialogue, image and text input, 1GB knowledge base | 0 yuan |
| Le Chat Plus | Document editing, multi-collaboration, 10GB capacity, agent customization | 30 yuan/month |
| LeChat Pro | Local storage, enterprise security, API interfaces, team management | 199 yuan/month |
Supports mainstream electronic payment methods, with a free trial of up to 7 days.
Le Chat's core advantages and differentiating highlights
Ultimate security and local storage
End-to-end AES-256 encryption, switchable between local and cloud environments as needed, leading the industry and meeting the high privacy needs of healthcare, government, and enterprise sectors.

Zero barrier to entry and easy to use
No programming required, ready to use out of the box, with a complete set of tutorials and preset templates, making it easy to get started in 7 days.
High-speed synchronization across multiple devices
With a 0.7-second response time, seamless switching between information on mobile phones, computers, and tablets, this offers a new experience in remote mobile office work.
Enriching personalized agents and plugins
Customizable Agent, rich industry plugin library, excellent localization adaptation, and open API support for deep integration.
Usage Precautions, Common Problems and Solutions
Preventing AI Illusions and Content Verification
All AI systems have a probability of making false judgments; important decisions must be manually verified to ensure security.
Team permissions and information management
Allocate team permissions appropriately, enable multi-factor authentication, and improve data security.
The knowledge base is maintained regularly.
Regularly clean up invalid data to ensure the accuracy of the knowledge base and the speed of feedback.
Conclusion
In the age of artificial intelligence,AI assistants like LeChat are reshaping life and work.Knowing how to choose and effectively utilize AI is the new cornerstone of digital literacy.Hopefully, this review will help you choose the right smart assistant and get on the fast track to an efficient and intelligent life!
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