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DeepSeek

“We develop and open-source frontier LLMs including DeepSeek-V4, DeepSeek-R1, and DeepSeek-Coder. Chat with DeepSeek AI or integrate via API.”

by DeepSeek

FreeFree to useAmateur & ProHeat 91New
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Our review

DeepSeek's free chat runs its own open-weight models, with DeepThink for step-by-step reasoning and Search for web answers. Developers can use the same models through a pay-as-you-go API.

Pros

  • Free chat with reasoning mode
  • Open-weight models

Cons

  • Operated by a company registered in China — read its privacy policy

Also does

  • CodeLimited

    Writes and explains code in chat; the same models power its API.

Limitations

  • Code: No editor or repo integration; use a coding tool like Cursor for real projects.

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