know2why
12K posts






🚀 DeepSeek-V4 Preview is officially live & open-sourced! Welcome to the era of cost-effective 1M context length. 🔹 DeepSeek-V4-Pro: 1.6T total / 49B active params. Performance rivaling the world's top closed-source models. 🔹 DeepSeek-V4-Flash: 284B total / 13B active params. Your fast, efficient, and economical choice. Try it now at chat.deepseek.com via Expert Mode / Instant Mode. API is updated & available today! 📄 Tech Report: huggingface.co/deepseek-ai/De… 🤗 Open Weights: huggingface.co/collections/de… 1/n






Purpose-built for autonomy Cybercab in production now at Giga Texas




CATL announced it will start mass production of Sodium Ion Battery (Gen-2 version) in Q4 after solving troubles in production. Expect to lower cost to 0.45RMB/Wh (30% lower than LFP) Still retain 90% energy at -40C (solving cold weather performance issues) Achieve long cycle endurance (15k charges), ideal for BESS



We estimate China will lose nearly 60 million people in the next decade, almost the size of France. The impact on household consumption is obvious, but the larger problem for Beijing may be the hit to social security funds.




















