DeepSeek

DeepSeek (High-Flyer), CN

⭐⭐⭐⭐⭐ 4.7/5

Visit Website →

📊 Quick Facts

Pricing Modelfreemium

Categorychat

Users100M+ (app downloads)

Founded2023

HQHangzhou, Zhejiang, China

Employees150-200

Monthly Visits300M+

LanguagesChinese,English,Japanese,Korean,French,German,Spanish,Russian,Portuguese

PlatformWeb, iOS, Android, API

DeploymentCloud + Open Source

Last Verified2026-08-06

📝 About DeepSeek

DeepSeek's V4 series of open-source LLMs with industry-leading cost efficiency. V4 Pro offers 1M context window and excels at reasoning and coding. 75% permanent discount makes it 12x cheaper than GPT-5.5.

💰 Pricing

Free: web & app; API: pay-as-you-go (very low cost)

✨ Key Features

DeepSeek V3: 671B MoE (37B active), 128K context, multilingualDeepSeek V4 Pro: latest flagship with enhanced reasoningDeepSeek-R1: specialized chain-of-thought reasoning modelDeepSeek Coder V2: 236B code-specific model, 100+ languagesApache 2.0 open-source — free to use, modify, self-hostFree unlimited web and app accessAPI with 90% cache hit discount on inputOpenAI-compatible API for easy migrationFile upload (images, PDFs, docs) supportedWeb search integration

🏷️ Tags

chatllmcodingreasoningopen-sourcechinese

⚖️ Pros & Cons

✓ Pros

Industry-leading AI technology with proven track record
Comprehensive feature set for diverse use cases
Strong integration ecosystem and developer community
Excellent performance and reliability at scale

✗ Cons

Premium features require paid subscription
Learning curve for advanced functionality
Limited offline capabilities in cloud-dependent workflows
May require technical expertise for optimal configuration

🎯 Use Cases

• chat

• coding

• research

• api-integration

• self-hosting

✔ Best For

Code GenerationMathematical ReasoningResearch AnalysisLong-form WritingTechnical DocumentationCompetitive Programming

🧠 Models

DeepSeek V4 Pro
DeepSeek V3
DeepSeek-R1

🔗 Integrations

API (REST)Python SDKJavaScript SDKLangChainLlamaIndexOllama

📈 Benchmarks

MMLU: 88.5%:

HumanEval: 92.4%:

GSM8K: 95.3%:

MATH: 80.2%:

AIME 2024: 79.8%:

Codeforces: 96.3 percentile:

🔀 Alternatives

ChatGPT Qwen

⚖️ Comparisons

ChatGPT vs DeepSeek

📅 History

Jul 2023 DeepSeek Launch - Initial DeepSeek model release

Dec 2023 DeepSeek-Coder - Specialized coding model released

Jan 2025 DeepSeek-R1 Breakthrough - R1 reasoning model causes global AI market impact; V3 released

Dec 2025 V3.2 & R1 Updates - V3.2 and R1-0528 model updates

Apr 2026 DeepSeek-V4 Launch - V4 Pro and V4 Flash released as open-weight MIT models with 1M context

May 2026 V4 Pro Permanent Price Cut - V4 Pro API price permanently reduced to 1/4 of original launch price

❓ FAQ

Is DeepSeek free?

Yes, DeepSeek chat is completely free. API access has usage-based pricing.

Is DeepSeek open source?

Yes, DeepSeek's models are released as open source under permissive licenses.

How does DeepSeek compare to ChatGPT?

DeepSeek R1 matches GPT-4 level reasoning at significantly lower cost. DeepSeek V3 competes with GPT-4o.

🇨🇳 China Insight

DeepSeek is based in China and offers its models to Chinese users without restrictions. The API pricing is extremely competitive globally.

🔒 Data & Compliance

Data PolicyData stored on Chinese servers per PIPL. API data not used for training. Users can opt out of data collection.

ComplianceChina Cybersecurity Law,Personal Information Protection Law (PIPL)

Content ModerationChinese content regulations apply; sensitive topics may be restricted

Data RetentionChat data stored per Chinese regulations; API data not retained

🌐 Social & Community

X/Twitter GitHub

💬 Reviews

ProductHunt: 4.8/5,Artificial Analysis: Top-tier reasoning,LLM Leaderboard: Top 5 globally