Microsoft Copilot (formerly Bing Chat) is an AI chat assistant launched by Microsoft that integrates the GPT-4 model and Bing search engine capabilities. It supports network search, image generation (DALL-E 3), document analysis and multi-modal conversations, and is free and open to all users. Copilot is deeply integrated into Microsoft Edge, Windows 11, and the Microsoft 365 ecosystem.

MicrosoftCopilot

Core parameters and statistics

Microsoft Copilot (formerly Bing Chat) is an AI chat assistant (Type D - productivity/business application) launched by Microsoft that integrates the GPT-4 model and Bing search capabilities.

Projects	Public Information
Product positioning	AI chat assistant (search + conversation)
Core Competencies	Internet search, AI dialogue, image generation, document analysis
Platform	Web, Android, iOS
Home	US
Business model	Free (integrated advertising)

Brief review in one sentence: Microsoft Copilot is not another ChatGPT, but a "combination of search engine + GPT-4 + DALL-E 3" - it can connect to the Internet in real time, view web pages, and draw pictures, and it is free.

User and market recognition

Gradually build user awareness in the field, and product capabilities are used by content creators and teams to improve work efficiency. Some industry users have incorporated it into their daily workflow. It is recommended to refer to the latest official disclosures for specific user scale and industry adoption rate data.

Cost advantage

• C-side/Individual: Completely free, no limit on the number of uses (there is a limit on conversation rounds).

• API/Developers: The underlying GPT-4 model is paid for through the Azure OpenAI service.

• Enterprise/Private: Microsoft 365 Copilot is available to enterprise customers on a per-seat subscription basis.

• Free Truth: Although free, the number of dialogue rounds is limited (about 30 rounds per dialogue), after which the context will be automatically cleared to start a new dialogue. This may not be sufficient for deep work scenarios that require long contextual continuous conversations. The essence of Microsoft's free strategy is to use advertising revenue to subsidize the cost of AI computing power.

• Compliance & Risk: Copilot conversation data may be used by Microsoft to improve the service. Business users need to be cautious when dealing with trade secrets. Copilot's content filtering and security protection mechanisms may accidentally damage normal queries.

• Hidden benefits: The biggest hidden value of Copilot is the integration of "search + AI" - there is no need to switch back and forth between search engines and AI tools, and one entrance can handle the entire process from search to analysis.

[Promotion Verification]: Microsoft promotes Copilot as "free GPT-4" - basically true, but it should be noted that the GPT-4 version used by Copilot may be slightly different from the official OpenAI ChatGPT Plus version (Microsoft customized optimized version), and the conversation has round limits. Behind free is Microsoft's strategy of monetizing through advertising and ecosystem.

Main functions

• Internet Search Conversation: Conduct AI conversations combined with Bing search real-time information. Applicable tasks: Questions and answers that require up-to-date information.
• Image Generation: Integrated DALL-E 3 to generate images. Applicable tasks: Creative visualization.
• File Analysis: Upload PDF, Word, Excel and other files for analysis. Applicable tasks: Document summarization and data analysis.
• Multi-modal: Supports image input understanding. Applicable tasks: analyze charts, photos, etc.

Model and version evolution

• Bing Chat (2023.02): First version, based on GPT-4, attracting widespread attention
• Copilot brand upgrade (2023.11): renamed to Microsoft Copilot, integrated DALL-E 3
• Copilot multi-modal update (2024-2025): supports image input, file analysis
• Copilot Deep Integration (2025-2026): Integrated into Windows 11, Microsoft 365

Technical advantages

Copilot's unique advantage is the deep integration of "search + AI". Compared with ChatGPT (knowledge is limited to training data), Copilot can retrieve Bing in real time to obtain the latest information and mark the source. Compared with Google Gemini, Copilot has natural advantages in the analysis of office documents (Office files).

Dimensionality reduction attack scenario: Question and answer scenarios that need to be combined with the latest search information - such as querying real-time stock prices, latest news, product price comparisons, etc.

• Human-machine collaboration boundary: 100% automatable: standard Q&A and search tasks. Manual confirmation is required: the timeliness and accuracy of AI answers (reliability of search sources), answers involving professional fields such as finance/law, and content copyright confirmation for commercial purposes.

How to use

• Web client: You can use it by visiting the official website and registering an account. Most functions do not require installation.
• API Access: Provides RESTful API, developers can obtain the API Key and integrate it into their own applications.

Product Pricing

The pricing model is subject to the official real-time page. Usually a freemium or subscription system is used, and basic functions can be used for free. Advanced functions or high-frequency use require paid subscriptions, and users are advised to evaluate the optimal solution based on actual usage.

Application scenarios

• Daily Q&A: Search-based Q&A that requires real-time information. Deduction: From "Search the webpage→Look at the results→Summary"→"Directly ask the AI ​​to get the answer with the source".

• Content Creation: writing assistance, image generation, document analysis.

• Learning and Research: Combine with search to conduct in-depth topic research.

Applicable people

• All Internet users, Bing users, and AI users who need real-time information assistance

Not suitable for the boundary: It is not suitable for pure inference tasks that do not require online search (locally deployed models may be more efficient), nor is it suitable for enterprise scenarios that have extremely high requirements for data privacy (you need to pay attention to the way Bing handles user data).

Summary and Outlook

Microsoft Copilot represents the product form of "AI + search", opening up the capabilities of GPT-4 to the public for free.

Acquisition/Adoption Risk Assessment: Zero cost for personal use. Enterprise use needs to evaluate: ① The difference and positioning of Copilot and Microsoft 365 Copilot; ② How conversation data is processed in Microsoft services; ③ Comparison of capability coverage with competing products such as ChatGPT and Gemini.

Related tools: deepseek, chatgpt

Version Info

• current ：Current version, based on GPT-4 and Bing search. （~2026-01）
• Bing Chat launch ：The first version of Bing Chat is online, based on GPT-4. （~2023-02）