Claude vs DeepSeek: We Tested Both on 5 Real Tasks (2026)
Claude vs DeepSeek: The Full Breakdown This is one of the most interesting matchups in AI right now. Claude, built by Anthropic (founded by ex-OpenAI researchers), is known for thoughtful, nuanced responses and best-in-class document analysis. DeepSeek, the open-source model from China that shocked the industry in early 2025, delivers surprisingly strong performance — especially in coding and reasoning — at a fraction of the cost. We ran both through 5 identical real-world tasks and scored them head-to-head. No marketing fluff — just actual outputs compared side by side. ...