AI Duell Logo
DeepSeek
DeepSeekWebsite
DeepSeek logo

DeepSeek

China's leading AI model — free and open source

Website
Pricing:Freemium
Free Trial:No
90/ 100Gesamtwertung

Noch keine Bewertung verfügbar

★4.5 auf G2 · 312 Bewertungen↗

DeepSeek is China's most powerful AI model: free chat, strong reasoning, open-source weights, and affordable API pricing for developers worldwide.

Pros & Cons

Vorteile

  • Free chat without restrictions
  • Open-source model weights available for self-hosting
  • Outstanding reasoning and math capabilities
  • Extremely affordable API pricing
  • OpenAI-compatible API — easy migration

Nachteile

  • Chinese operator — privacy concerns for EU companies
  • Occasional censorship of politically sensitive topics
  • API availability sometimes limited
  • Weaker multimodal capabilities than GPT-4o

Features

DeepSeek-R1 Reasoning Model

DeepSeek-R1 is a specialized reasoning model that explicitly displays step-by-step thinking processes (Chain-of-Thought) and competes with leading Western models on mathematics and logic.

Open-Source with Commercial Rights

DeepSeek-V3 and R1 are released as open-source models under a permissive license that allows commercial use — similar to Llama but with stronger reasoning capabilities.

Very Affordable API Pricing

DeepSeek offers its models via API at a fraction of the cost of GPT-4 or Claude Opus — a massive cost advantage for developer-built applications.

128K Token Context Window

DeepSeek-V3 supports up to 128,000 tokens in context, enabling processing of long documents, code repositories, and complex multi-step tasks.

Strong Coding Performance

On coding benchmarks like HumanEval and LiveCodeBench, DeepSeek-V3 achieves top scores and surpasses GPT-4o and Claude 3.5 Sonnet in some categories.

Free Web Assistant

A free assistant is available at chat.deepseek.com with access to V3 and R1 models — no lengthy registration required, and with a web search feature.

In Detail

DeepSeek — The AI Model That Surprised the World

DeepSeek is a Chinese AI company that made global waves in early 2025: DeepSeek-V3 and DeepSeek-R1 delivered GPT-4o-level performance, trained at a fraction of the usual cost — and largely available for free.

Why DeepSeek Is So Remarkable

DeepSeek-R1 achieves comparable results to OpenAI's o1 model in benchmarks like MATH-500 and AIME — and is open source. This combination shook the assumption that world-class AI necessarily requires billion-dollar investments.

Free Chat and Affordable API

chat.deepseek.com is completely free with no restrictions. The API is extremely affordable: DeepSeek-V3.2 costs $0.28 per million input tokens — a fraction of OpenAI prices. This makes DeepSeek the preferred choice for developers minimizing API costs.

Strengths: Reasoning and Code

DeepSeek-R1 is particularly strong at mathematical tasks, logical reasoning, and code generation. In chain-of-thought reasoning, it ranks among the best available models worldwide.

Open Source and Self-Hosting

DeepSeek-R1's model weights are publicly available — companies can self-host the models, directly addressing privacy concerns. This transparency fundamentally distinguishes DeepSeek from GPT-4 or Claude.

Privacy Note

As a Chinese company, DeepSeek is subject to Chinese law. For data-sensitive enterprise applications, alternatives or self-hosting of the open-source weights are recommended.

FAQ

On many benchmarks — especially mathematics, coding, and reasoning — DeepSeek-V3 and R1 are comparable to GPT-4o or surpass it in specific categories. For general language tasks and creative writing, Western models often still lead. However, the benchmark performance is impressive for an open-source model at this price point.

DeepSeek is a Chinese company, and its terms of service involve data storage on servers in China. For sensitive corporate data or security-critical applications, caution is warranted. Many users self-host the open-source models to sidestep privacy concerns.

Yes, DeepSeek-V3 and R1 are available as open-source models on Hugging Face and other platforms. The full model requires very powerful hardware (multiple high-end GPUs). Quantized versions are also available for less powerful hardware.

R1 explicitly displays its reasoning process — similar to OpenAI's o1 model. It 'thinks out loud' before giving an answer, which leads to significantly better results on complex logic and math tasks compared to models that respond directly.

Yes, especially due to very affordable API pricing and strong coding performance. For production applications, however, you should weigh the privacy and reliability considerations and potentially use a self-hosted version.

Some links on this page may be partner links.