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DeepSeek
AI ChatbotOpen SourceOpen-source AI with reasoning at a fraction of the cost
4.2
by DeepSeekStarting 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