DeepSeek

DeepSeekDeepSeek, an AI company based in Hangzhou, China, has quickly become a focus of attention for enterprises and developers due to its flexible open model strategy, excellent inference and code generation capabilities, and cost-effective API solutions. It boasts multiple functional modules, such as dialogue understanding and generation, data analysis, text creation, and code generation, suitable for various scenarios. DeepSeek employs a transparent pay-as-you-go pricing system, significantly reducing costs for users. Whether for students, researchers, developers, SMEs, or customer service centers, DeepSeek can provide effective solutions. Its outstanding performance in technological innovation and open ecosystem makes it a significant player in the AI assistant field.

Since the second half of 2023, AI large model technology has made groundbreaking progress.DeepSeekThis artificial intelligence company, which originated in Hangzhou, ChinaOfficial website linkWith its flexible model openness strategy, superior inference and code generation capabilities, and highly cost-effective API solutions, DeepSeek has quickly become a focus of attention for enterprises and developers. This article will analyze DeepSeek's functional modules, pricing strategy, target audience, and practical applications from a news reporting perspective, helping you grasp the many dimensions of this AI chat assistant from deployment to scaling.Visit the DeepSeek official website）

DeepSeek's main functions

Feature Details

DeepSeek It focuses on two core AI models:DeepSeek-V3 与 DeepSeek-R1These are designed for scenarios ranging from multi-turn dialogues and knowledge retrieval to reasoning and problem-solving and complex data analysis.AI chat assistantThe DeepSeek platform has the following main functions:

• Dialogue understanding and generationIt supports contextualized multi-turn continuous dialogue, understands complex intents, and generates natural language responses.
• Data Analysis and ReasoningR1 focuses on logical reasoning, financial analysis, and mathematical modeling.
• Text creation and rewritingAutomatically generates various texts, including emails, articles, marketing copy, etc.
• Code generation and debuggingIt deeply integrates with the code assistant DeepSeek-Coder, supporting bilingual (Chinese and English) code generation and intelligent debugging.
• Multimodal interfaceDeepSeek is expanding into broader fields such as forward image recognition and knowledge graphs.
• High-efficiency caching accelerationUnique caching module significantly reduces the cost of repeated queries (see table below for details).

DeepSeek Feature List

👉 More real-time feature updates：DeepSeek News Center

Special NoteDeepSeek now has a desktop web version. https://chat.deepseek.com And the official app.

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DeepSeek Pricing & Solutions

Official API pricing page

DeepSeek It adopts a highly transparent "pay-as-you-go" billing system, which differs from the traditional subscription model. Its core advantages are reflected in:Token-based billing + Powerful cachingThis significantly reduces costs for businesses and developers. DeepSeek also offers free web and app versions for general users and small-scale applications.

DeepSeek's main billing schemes (data as of April 2025)

Taking the processing of 2 million inputs (1.5 million cache hits + 0.5 million cache misses) and the generation of 1 million outputs as an example, the total cost of V3 is only $1.34, and the R1 is $2.675, which is highly competitive in the industry. (See details)API Pricing Details）

DeepSeek Price Comparison with Competitors

📖 Related Reading：A comprehensive comparison between DeepSeek and ChatGPT
📖 Detailed Analysis of DeepSeek Pricing

How to use DeepSeek

Web version entry | App Download | API Platform

DeepSeek offers a variety of entry points, adapting to diverse scenarios for enterprises, developers, and end users:

• Online web version/APPUsers can directly enter their questions and instantly receive a reply from the AI chat assistant. No registration is required to experience it; it's free and fast. Suitable for daily office work such as content generation, translation, and writing.
• API AccessEnterprises/developers can register a DeepSeek platform account to obtain an API KEY, which can be integrated into their own systems, websites, or apps, supporting high-concurrency calls and customized development.
• Development documentation and secondary development：Detailed API documentation Provide parameter descriptions and usage examples.

DeepSeek Experience and Integration Process

1. Enter DeepSeek online chat Or download the App
2. Select the corresponding model (such as Dialogue Assistant V3, Inference R1, etc.).
3. Input requirements, instructions, or data
4. Get results directly; for large-scale or customized applications, apply for an API key.
5. Integrate with enterprise internal OA/customer service/smart office/online education and other systems

NoticeThe API supports efficient caching, with minimal overhead for duplicate content, making it suitable for batch processing and high-frequency interactions.

Who is DeepSeek suitable for?

DeepSeek Application Scenarios

DeepSeekIts flexibility and cost-effectiveness make it suitable for the following groups and industries:

• Students and researchersFree introduction to: thesis writing, coding experiments, data analysis, and reading assistance.
• Developers/AI Startup TeamsDeep API interfaces enable low-cost integration of AI chat assistants and automation tools.
• Small and Medium Enterprises/Customer Service CenterLarge-scale dialogue/text automatic generation reduces manual labor costs.
• Education/Self-media/Content producersOne-click article generation, automatic translation, writing and polishing.
• Finance, healthcare, logistics and other industriesAdvanced data reasoning and decision analysis
• AI Algorithm EngineerIt can utilize underlying reasoning capabilities for secondary development and experimentation.
• Large enterprises/e-commerce platformsBatch intelligent question answering and advertising copy generation

Typical audience and usage table

DeepSeek's Technological Innovation and Ecosystem Advantages

Model Innovation

• Ultra-large parameter scaleDeepSeek-V3 boasts a staggering 671 billion parameters, delivering outstanding performance in R1 reasoning.
• Hybrid Expert (MoE) ArchitectureThis greatly improves the model's generalization ability across multiple scenarios.
• High-efficiency multilingual supportSupports Chinese and English bilingual languages and major Eurasian languages.
• KV caching + Token sharing mechanismThe cost for the same task is significantly lower than that of mainstream competitors.

Open Ecosystem

• The model weights are open, and the source code is traceable on GitHub.
• Deep integration with mainstream developer communities such as Hugging Face and Lark
• Enrich community application cases

Price advantage (based on real comparisons)

（The prices listed above are as of April 2025. Please refer to the official pricing information for specific pricing details.Official API pricing page）

DeepSeek Use Cases and Examples

• Intelligent Conversational Customer Service – Enterprises replace traditional human customer service with DeepSeek-V3, automatically handling 80%+ customer inquiries 24/7.
• Bulk Content Creation – Media Companies Use DeepSeek to Generate Hundreds of News Stories and Educational/Consultative Articles Daily
• Intelligent Code Assistant – The developer community uses DeepSeek-Coder to automatically generate/review/format code, supporting both English and Chinese.
• Medical report analysis – The R1 model is widely used in medical data inference and diagnostic assistance.
• Enterprise Big Data Analytics – Leveraging the high throughput of APIs to achieve cost-effective batch data mining and structured reporting.

DeepSeek FAQs

What are the biggest differences between DeepSeek and AI assistants like ChatGPT/Mistral?

DeepSeekPrimarily billed using open tokens, and equipped with an efficient caching mechanism and an autonomous inference optimization model, DeepSeek's price is significantly lower than mainstream large-scale AI models. For example, at the million-token level, DeepSeek's cost is less than 1/20th of GPT-4o. Furthermore, DeepSeek excels particularly in Chinese and mathematical inference, making it suitable for large-scale deployments, cost-sensitive enterprises, and developers.

（Comparative Reading: DeepSeek vs. Other AI Models）

How to call and integrate the DeepSeek API?

• Register an official DeepSeek account and visit [website/platform name].Platform entrance
• Check API documentation
• Obtain the API key and configure it in your backend/application/mini-program/work order system.
• Supports multiple calling modes such as RESTful and SDK, and is compatible with mainstream languages such as Python and Node.js.
• Provides comprehensive console monitoring and usage statistics for convenient cost management.

Is DeepSeek permanently free for individual users?

As of April 2025, DeepSeek offers services through a web version and an app.Free unlimited chat serviceThere is no daily limit, making it suitable for experimentation, learning, and small-scale practical applications. However, for large-scale API calls, advanced inference, etc., payment will be made according to the API billing standard.

With its underlying innovations and differentiated pricing strategy, DeepSeek may lead a paradigm shift in AI chat assistants. Facing the explosive growth of AI applications and pressure to reduce costs, DeepSeek not only broadens the public's imagination of intelligent assistants but also serves as a crucial tool choice for enterprises' AI transformation.Click to learn more about the latest developments。

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 →