January 20, 2025

DeepSeek R1 released

DeepSeek released R1 on January 20, 2025 — an open-weight reasoningStep-by-step logical thinking in AI models — chain-of-thought before answering hard problems. model matching o1-class performance at a fraction of the training cost.

What it was for

DeepSeekDeepSeek R1 shook the AI industry: strong math and coding results with open weights and transparent training details. It triggered a market reaction over inferenceRunning a trained model to produce predictions — as opposed to the training phase that learns weights. economics and proved Chinese labs could ship frontier reasoningStep-by-step logical thinking in AI models — chain-of-thought before answering hard problems. models competitively.

Companies

  • DeepSeek

Why it's here

DeepSeek R1 disrupted assumptions about who could build frontier reasoningStep-by-step logical thinking in AI models — chain-of-thought before answering hard problems. models.

Why it mattered

Open reasoningStep-by-step logical thinking in AI models — chain-of-thought before answering hard problems. weights challenged closed APIApplication programming interface — a defined way for programs to talk to each other or to a service. dominance and pricing models.

What it solved

TeamsMicrosoft Teams — chat, video calls, and Office integration for workplace collaboration. wanted o1-class reasoningStep-by-step logical thinking in AI models — chain-of-thought before answering hard problems. without proprietary APIApplication programming interface — a defined way for programs to talk to each other or to a service. lock-in or extreme costs.

Media

  • DeepSeek
    ImageDeepSeek

    DeepSeek, MIT, via Wikimedia Commons

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