DeepSeek

DeepSeek (High-Flyer), CN

⭐⭐⭐⭐⭐ 4.7/5

Editorial estimate compiled from public vendor data — not a user-review average. How we rate

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📊 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

Data Snapshot2026-09-24

📝 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-flash (DeepSeek-V4.1-Flash): the current default API modeldeepseek-v4-pro (DeepSeek-V4-Pro-0813): flagship API model with 1M contextLegacy model names deepseek-chat and deepseek-reasoner were retired on July 24, 2026Open weights published on Hugging Face and ModelScopeMIT-licensed open weights — free to use, modify, self-host (DeepSeek V4 model card)Free 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-flash (DeepSeek-V4.1-Flash)
deepseek-v4-pro (DeepSeek-V4-Pro-0813)

🔗 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 adjusted to 1/4 of the original launch price (effective after May 31, 2026); superseded by the peak/off-peak pricing introduced on August 17, 2026

Aug 2026 V4 Pro official release & peak/off-peak pricing - DeepSeek V4 Pro officially released August 13, 2026; peak/off-peak API pricing took effect August 17, 2026

Sep 2026 V4.1-Flash & V4 Pro API continuation - deepseek-flash updated to V4.1-Flash on September 10, 2026; DeepSeek confirmed the V4 Pro API continues after September 14, 2026

❓ 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's current API models are deepseek-v4-pro (DeepSeek-V4-Pro-0813) and deepseek-flash (DeepSeek-V4.1-Flash). Both are billed per 1M tokens, with off-peak rates at half the peak rate — see the pricing section for current numbers.

🇨🇳 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

ℹ️ How this page is built

This page is compiled by an automated pipeline from publicly available vendor information. It is not a hands-on review, and no editor reviews it before publication.

Ratings are editorial estimates derived from public vendor data (features, pricing, ecosystem coverage). They are not user-review averages, and we do not publish user ratings.

Data Snapshot shows when this entry was last refreshed from our directory dataset. Pricing and model line-ups change frequently, so confirm critical pricing on the vendor’s own site.

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