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DeepSeek

AI ChatbotOpen Source

Open-source AI with reasoning at a fraction of the cost

4.2
by DeepSeek
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Starting Price

Free

Free Tier

Yes

API

Available

Platforms

web, api

Overview

DeepSeek is a Chinese AI lab producing powerful open-source models. DeepSeek-V3.2 matches GPT-5-level reasoning with Sparse Attention for long-context efficiency. R1 reasoning model competes with GPT-5.2 Thinking at dramatically lower API costs.

Pricing Plans

Popular

Free

Free
  • DeepSeek-V3.2
  • DeepSeek-R1 (reasoning)
  • 128K context
  • Web search
  • File upload

API Pricing: V3.2: $0.27/1M input, $1.10/1M output (10-50x cheaper than GPT-5)

Pros & Cons

Pros

  • Extremely cheap API pricing
  • Open-source models
  • Strong reasoning (R1)
  • Competitive with GPT-5 on many benchmarks

Cons

  • Chinese company (data concerns)
  • Less polished web interface
  • Smaller ecosystem
  • Occasional availability issues

Detailed Ratings

Overall

4.2

Ease of Use

4.0

Value for Money

5.0

Output Quality

4.2

Good For

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