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DeepSeek
by DeepSeekFreeFree plan available✅ Last verified: September 2026
Quick Answer
Free AI chatbot with open-weight reasoning models at very low API cost.
Chinese AI lab known for releasing powerful open-weight reasoning models (DeepSeek-V3, R1) at a fraction of the cost of Western competitors. The free web chat and mobile app deliver strong reasoning and coding performance, while the API is priced far below GPT and Claude equivalents.
Best For
Free advanced reasoningBudget-friendly API accessOpen-weight model experimentation
Why Choose DeepSeek
- ✓Free chat app with strong reasoning performance
- ✓Open-weight models available for self-hosting
- ✓API pricing far below GPT-4 and Claude equivalents
- ✓Strong coding and math benchmark scores
Pricing
Free
Free plan available — no credit card required for most tools.
Pros
- +Free chat app with strong reasoning performance
- +Open-weight models available for self-hosting
- +API pricing far below GPT-4 and Claude equivalents
- +Strong coding and math benchmark scores
Cons
- −Data handling and privacy concerns for sensitive use cases
- −Less polished UI than Western competitors
- −Smaller plugin and integration ecosystem
Key Features
ChatReasoning modeCode generationOpen-weight modelsLow-cost API
Compatibility
Platforms
WebMobileAPI
API
Available