AI Daily — April 26, 2026
2026-04-26
www.technologyreview.com
DeepSeek V4 Preview Released with Extended Context and Open Weights
DeepSeek released a preview of V4, its new flagship model, featuring a redesigned architecture that significantly extends context length and improves efficiency on long-input processing. The model is open source, continuing DeepSeek's pattern of releasing competitive open-weight models. As a Chinese lab releasing capable open-weight frontier models, DeepSeek V4 carries both technical and geopolitical significance for the open-source LLM ecosystem.