AI Model2026-05-17
DeepSeek
Also known as: DeepSeek / DeepSeek V4 / DeepSeek R1
Open-weights LLMs from China's DeepSeek. DeepSeek V4 features a 1.6 T-parameter MoE with 1 M context and drew global attention for its ultra-low training cost.
Overview
DeepSeek V4 Preview is released as open weights with a 1 M context window. Its reported training cost — a fraction of GPT-4's — sparked global debate about AI development economics. See DeepSeek V4 release.
R1 reasoning model
DeepSeek R1 specialises in maths and coding via chain-of-thought reinforcement learning, with growing adoption as a cost-efficient local alternative to Claude.
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