AlphaGo / AlphaZero
AI Model
Historical
Historical
The 2016 win over Lee Sedol — deep RL's public arrival.
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AlphaGo's 4–1 defeat of Go champion Lee Sedol in March 2016 was the moment deep learning captured public imagination; AlphaZero then learned Go, chess and shogi from self-play alone. The lineage ran on TPUs and taught the field the power of search plus learned evaluation — ideas that returned in today's reasoning models.
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Record reviewed as of 2026-01-15 — see Methodology.