Old Zhang's AI Learning
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Old Zhang's AI Learning

AI practitioner specializing in large-model evaluation and on-premise deployment, agents, AI programming, Vibe Coding, general AI, and broader tech trends, with daily original technical articles.

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Latest from Old Zhang's AI Learning

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Old Zhang's AI Learning
Old Zhang's AI Learning
Sep 7, 2026 · Artificial Intelligence

Doubao Work Deep Dive: 5 Advanced AI Workflows for PPT, Data & App Building

After two weeks of intensive use and watching official livestreams, the author reveals five advanced Doubao Work workflows: data-first PPT creation, browser automation for tedious data collection, serverless shareable app building, custom skill development, and candid product feedback for this AI productivity agent.

AI productivity agentData AnalysisDoubao Work
0 likes · 10 min read
Doubao Work Deep Dive: 5 Advanced AI Workflows for PPT, Data & App Building
Old Zhang's AI Learning
Old Zhang's AI Learning
Sep 3, 2026 · Artificial Intelligence

Gemini 3.8 Flash Review: Benchmark Leader but Real-World Letdown?

The author evaluates Google's Gemini 3.8 Flash model through hands-on coding, creative, and reasoning tests, finding it excels on benchmarks and cost-efficiency but falls short in agent capabilities, context retention, and practical tasks compared to rivals like Doubao and DeepSeek, while criticizing Google's product management and subscription value.

AI model benchmarkingGemini 3.8 FlashGoogle AI products
0 likes · 6 min read
Gemini 3.8 Flash Review: Benchmark Leader but Real-World Letdown?
Old Zhang's AI Learning
Old Zhang's AI Learning
Sep 1, 2026 · Artificial Intelligence

Doubao-Seed-Evolving Tested: Coding, Multimodal, and Long-Horizon Agent Skills

The author evaluates Doubao-Seed-Evolving's latest upgrades across coding, agent, multimodal, and long-horizon skill execution using real-world tasks like PPT-to-website conversion, personal project management, SVG generation, 3D Rubik's cube animation, and a complex 30-minute web scraping skill, finding strong autonomous task decomposition, testing, and error recovery.

AI model testingDoubao-Seed-EvolvingLLM evaluation
0 likes · 10 min read
Doubao-Seed-Evolving Tested: Coding, Multimodal, and Long-Horizon Agent Skills
Old Zhang's AI Learning
Old Zhang's AI Learning
Aug 29, 2026 · Artificial Intelligence

ChatGPT's Computer History: AI That Watches Your Workflow and Writes Automations

ChatGPT's new Computer History feature on macOS captures clicks, keystrokes, and app switches via Accessibility API, builds a searchable timeline, summarizes activity into local markdown memories, and suggests automations for repetitive tasks—available only to Pro, Business, and Enterprise users with granular privacy controls and notable prompt-injection risks.

AI AgentsAccessibility APIChatGPT
0 likes · 10 min read
ChatGPT's Computer History: AI That Watches Your Workflow and Writes Automations
Old Zhang's AI Learning
Old Zhang's AI Learning
Aug 26, 2026 · Artificial Intelligence

OfficeCLI: One Command Lets AI Agents Visually Control Office Documents

OfficeCLI is an open-source CLI tool that gives AI agents full control over Word, Excel, and PowerPoint via a built-in rendering engine, path-based addressing, three-layer architecture, Excel formula evaluation, template merging, and MCP integration, solving the "blind run" problem by letting AI see and correct layout issues.

AI AgentsCLI toolExcel formula evaluation
0 likes · 15 min read
OfficeCLI: One Command Lets AI Agents Visually Control Office Documents
Old Zhang's AI Learning
Old Zhang's AI Learning
Aug 24, 2026 · Artificial Intelligence

What Is a Harness? The Runtime Environment That Lets You Own Your AI Agent

This article explains Harness as a software runtime that gives AI models a workspace — system prompt, tools, an agentic loop for self-directed reasoning, and a translation layer to swap models — using Pi Agent as a concrete example of a thin, user-extensible harness with over 5,000 community extensions.

AI AgentHarness²LLM Runtime
0 likes · 8 min read
What Is a Harness? The Runtime Environment That Lets You Own Your AI Agent