https://ryrenz.com/categories/ai/ Recent content in AI on David Zhang | AI Engineering, Careers & Industry Deep-Dives Hugo -- 0.155.3 en-US Wed, 17 Jun 2026 12:00:00 +0800 https://ryrenz.com/ai/fde-forward-deployed-engineer/ Wed, 17 Jun 2026 12:00:00 +0800 https://ryrenz.com/ai/fde-forward-deployed-engineer/ Drawing from a Palantir veteran’s 8-year retrospective, OpenAI FDE leads, a Shenzhen entrepreneur, and a power-industry deployment engineer, this article answers five questions from a practitioner’s perspective: what FDEs do daily, how China differs from overseas, who’s cut out for it and who isn’t, how to transition in, and why it’s the closest role to entrepreneurship. https://ryrenz.com/ai/mythos-fable-opus-comparison/ Wed, 17 Jun 2026 12:00:00 +0800 https://ryrenz.com/ai/mythos-fable-opus-comparison/ What’s the real difference between Mythos 5, Fable 5, and Opus 4.8? After reading Anthropic’s official blog posts, the System Card, engineering team discussions, and Karpathy’s analysis, here are the six differences everyday users actually need to know. https://ryrenz.com/ai/ai-podcasts-top-10/ Tue, 26 May 2026 03:00:00 -0400 https://ryrenz.com/ai/ai-podcasts-top-10/ AI moves too fast for tech media, which all sounds the same. Twitter is too fragmented to remember anything. Long-form articles take forever to get through. Official blogs are just product launches. The only way a normal person can keep up with AI is to listen to the people building it talk. Here are the five Chinese and five English podcasts I think are worth the time, plus five ways to actually finish the English ones if you’re not a native speaker. https://ryrenz.com/ai/second-brain-needs-qmd/ Wed, 20 May 2026 03:00:00 -0400 https://ryrenz.com/ai/second-brain-needs-qmd/ Most Obsidian-as-second-brain tutorials skip the part where it breaks: once the vault gets big, Claude Code’s index-based search starts to fall apart. QMD, a local RAG tool by Shopify CEO Tobi Lütke, fixes exactly that gap — hybrid retrieval (BM25 + vector), fully local, free, and a 96% drop in token use. This post covers when to install it and the one prompt that gets it running. https://ryrenz.com/ai/ai-novel-money-makers/ Mon, 18 May 2026 15:30:00 -0400 https://ryrenz.com/ai/ai-novel-money-makers/ Rie Kudan won the Akutagawa Prize, Joe Vasicek cut his book cycle from 2 years to 14 days, Leanne Leeds ships 12-15 books a year at a 4.5-star Amazon average, and Hachette pulled a novel after Pangram clocked it at 78.4% AI-generated. The Sudowrite / NovelCrafter / Claude + Scrivener stack is now the Western mainstream, and the Chinese-language world has nothing equivalent. https://ryrenz.com/ai/harness-engineering-ai-efficiency/ Fri, 15 May 2026 14:07:23 -0400 https://ryrenz.com/ai/harness-engineering-ai-efficiency/ Raw models are no longer enough for serious engineering work. What actually separates mediocre results from great ones is the Harness built around the model: context management, tool execution, task orchestration, feedback loops, and architectural guardrails. https://ryrenz.com/ai/claude-code-beginner-guide/ Sun, 12 Apr 2026 10:00:00 -0400 https://ryrenz.com/ai/claude-code-beginner-guide/ After a year with Claude Code, I distilled my workflow into 7 reusable principles. The biggest beginner mistake isn’t lack of skill — it’s treating Claude Code like ChatGPT. Used right, it’s your super-engineer. Used wrong, it’s a hallucinating, lying slacker.