DeepSeek shook up the AI world by offering models that rival the best paid solutions, completely free of charge. Its conversational assistant particularly shines at programming and mathematical reasoning, thanks to the DeepThink mode that walks through its reasoning step by step before answering. Since April 2026, the service has been powered by DeepSeek V4, an open model capable of handling up to one million tokens of context.
Go to chat.deepseek.com and create an account with your email or a Google account. Ask questions freely: enable DeepThink mode for complex problems requiring in-depth reasoning, or web search for current topics. The entire service is free.
Prices are indicative and may change — check the official site for up-to-date pricing.
Yes, the chat interface is free with no strict quota. Only the developer-facing API is billed, at rates far below those of competitors.
DeepSeek's servers are located in China, which raises privacy concerns for sensitive data. Avoid sharing confidential or personal information there.
On reasoning and code, DeepSeek V4 rivals the best paid models. ChatGPT keeps the edge on ecosystem: voice, images, custom GPTs and integrations, while DeepSeek remains text-only.
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