DeepSeek

chat.deepseek.com

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Free AI chatbot with strong reasoning and coding capabilities, built on DeepSeek's R1 and V3 models — competitive with leading frontier models.

Why it is useful

DeepSeek offers genuinely frontier-level reasoning and coding assistance completely free with no account required. The R1 model shows its step-by-step thinking process, which is useful for learning how it approaches complex problems. Regularly outperforms paid alternatives on coding benchmarks.

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