ShiZhen AI
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ShiZhen AI

Tech blogger with over 10 years of experience at leading tech firms, AI efficiency and delivery expert focusing on AI productivity. Covers tech gadgets, AI-driven efficiency, and leisure— AI leisure community. 🛰 szzdzhp001

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ShiZhen AI
ShiZhen AI
Dec 17, 2025 · Artificial Intelligence

Step-by-Step Guide: Train a Lerobot Robotic Arm from Scratch on GPUFree

This tutorial walks you through renting a GPUFree RTX 4090 cloud instance, uploading your Lerobot dataset, launching training via a lightweight Flask web UI, automatically shutting down the server, and downloading the trained model, all with detailed code snippets and practical tips.

AI trainingFlaskGPUFree
0 likes · 11 min read
Step-by-Step Guide: Train a Lerobot Robotic Arm from Scratch on GPUFree
ShiZhen AI
ShiZhen AI
Dec 6, 2025 · Artificial Intelligence

OpenAI’s Daily Users Plunge 12 M as Gemini 3 Threatens; GPT‑5.2 Rushed for Dec 9

Amid a 6% (≈12 million) daily‑active‑user decline triggered by Google’s Gemini 3 launch, OpenAI’s leadership issued a “red‑alert”, accelerated the release of GPT‑5.2 to Dec 9, halted ad and Pulse projects, and outlined strategic risks, competitive benchmarks, and the future “Garlic” roadmap.

AI benchmarksAI industry analysisGPT-5.2
0 likes · 15 min read
OpenAI’s Daily Users Plunge 12 M as Gemini 3 Threatens; GPT‑5.2 Rushed for Dec 9
ShiZhen AI
ShiZhen AI
Dec 5, 2025 · Artificial Intelligence

Can AI Achieve Human‑Like Long‑Term Memory? Inside Google’s Titans Architecture

Google’s newly unveiled Titans architecture tackles AI’s “forgetfulness” by embedding a Neural Long‑Term Memory (LMM) module that updates model weights during inference using a test‑time training approach and a MIRAS surprise metric, enabling over 2 million‑token context with linear O(N) computation and superior benchmark results versus GPT‑4 RAG.

AI ArchitectureGoogle TitansMIRAS
0 likes · 5 min read
Can AI Achieve Human‑Like Long‑Term Memory? Inside Google’s Titans Architecture
ShiZhen AI
ShiZhen AI
Dec 4, 2025 · Artificial Intelligence

What Is a Context Window? Explaining LLM Memory Capacity

The article explains that a context window defines an LLM's token‑level memory capacity, shows how longer windows cause quadratic computation growth, introduces KV Cache as a way to extend context without exploding resources, and covers advanced techniques like Ring Attention, NIAH benchmarking, and attention decay in long sequences.

KV cacheLLMNIAH benchmark
0 likes · 6 min read
What Is a Context Window? Explaining LLM Memory Capacity
ShiZhen AI
ShiZhen AI
Dec 2, 2025 · Artificial Intelligence

What Is a Prompt? Mastering Question Techniques for Better AI Results

Episode 4 of the Comic‑AI series explains that a prompt is the art of formulating precise questions to guide large language models, covering content and format constraints, positive and negative prompting, and showing how specific instructions lead to more predictable AI behavior.

AIAI InteractionPrompt Design
0 likes · 3 min read
What Is a Prompt? Mastering Question Techniques for Better AI Results
ShiZhen AI
ShiZhen AI
Dec 1, 2025 · Artificial Intelligence

AI Comic Episode 3: What Exactly Is a Token?

This episode explains that a token is the smallest text chunk an LLM processes—ranging from characters to subwords—covers why subword tokenization avoids vocabulary explosion, compares token counts across languages, describes the computational cost of sequential generation, and introduces visual tokens for multimodal models.

AI fundamentalslarge language modelsmultimodal
0 likes · 7 min read
AI Comic Episode 3: What Exactly Is a Token?
ShiZhen AI
ShiZhen AI
Nov 28, 2025 · Artificial Intelligence

DeepSeekMath‑V2 Scores 118/120 on Putnam and Achieves Gold‑Level IMO Performance

DeepSeekMath‑V2, released open‑source on 27 Nov 2025, attains gold‑level results on IMO 2025, scores 118 out of 120 on the Putnam 2024 competition, introduces a generator‑verifier self‑verification architecture, uses GRPO training, and outperforms leading closed‑source models on IMO‑ProofBench.

DeepSeekMath-V2GRPOLLM
0 likes · 7 min read
DeepSeekMath‑V2 Scores 118/120 on Putnam and Achieves Gold‑Level IMO Performance
ShiZhen AI
ShiZhen AI
Nov 12, 2025 · User Experience Design

Why Programmers Need a 4K HiDPI Monitor: My Deep Dive into the BenQ RD320U

The article explains why a MacMini requires a 4K HiDPI display, compares macOS scaling for 1080p, 2K and 4K screens, and details how the BenQ RD320U’s 32‑inch 3:2 panel, programming mode, anti‑reflection coating, smart backlight, automatic scene switching and KVM support dramatically improve coding ergonomics, eye comfort and video‑creation workflow for professional developers.

4KBenQ RD320UHiDPI
0 likes · 11 min read
Why Programmers Need a 4K HiDPI Monitor: My Deep Dive into the BenQ RD320U
ShiZhen AI
ShiZhen AI
Oct 24, 2025 · Artificial Intelligence

Why GPT‑5 Lost 72% While Chinese AI Models Gained 32% in the NOF1.AI Alpha Arena

The NOF1.AI Alpha Arena benchmark shows Chinese models like Qwen3 Max and DeepSeek out‑performing GPT‑5, delivering +32.42% and +22.46% returns respectively, while GPT‑5 suffers a -72.49% loss, highlighting the impact of trade frequency, risk control, and profit‑to‑loss ratios in AI‑driven crypto trading.

AI tradingAlpha ArenaDeepSeek
0 likes · 14 min read
Why GPT‑5 Lost 72% While Chinese AI Models Gained 32% in the NOF1.AI Alpha Arena