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Zhihu Tech Column
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Zhihu Tech Column

Sharing Zhihu tech posts and exploring community technology innovations.

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Latest from Zhihu Tech Column

17 recent articles
Zhihu Tech Column
Zhihu Tech Column
Jan 20, 2026 · Artificial Intelligence

How AI‑Powered Agentic Workflows Cut Costs and Boosted R&D Efficiency by Over 30% – A Real‑World Case Study

This article details a multi‑year, data‑driven transformation in which a product‑research team leveraged large‑model AI and agentic workflows to automate repetitive coding, streamline hot‑topic discussion creation, and replace a seven‑person outsourcing crew, achieving up to 38.6% project‑time reduction, a 22.5‑25 PD weekly capacity gain, and a dramatic drop in marginal costs.

AIGoogle ADKLLM
0 likes · 29 min read
How AI‑Powered Agentic Workflows Cut Costs and Boosted R&D Efficiency by Over 30% – A Real‑World Case Study
Zhihu Tech Column
Zhihu Tech Column
Jan 16, 2026 · Mobile Development

How a Custom C++ Native Rendering Engine Boosted Reading‑App Performance by Over 2%

The article details the design of a cross‑platform C++ rendering engine built for a mobile reading app, explaining its three‑layer architecture, file‑format support, layout and caching mechanisms, security features, and how these technical choices delivered measurable improvements in page views, reading time, and conversion rates.

CCross‑platformPerformance
0 likes · 35 min read
How a Custom C++ Native Rendering Engine Boosted Reading‑App Performance by Over 2%
Zhihu Tech Column
Zhihu Tech Column
Nov 4, 2025 · Artificial Intelligence

How Multimodal Large Models Transform Recommendation Systems: From Tags to Embeddings

This article explores how multimodal large models like Qwen2.5‑VL enable high‑dimensional tag generation and universal embeddings for recommendation systems, detailing data synthesis, model training, quantization, fine‑tuning, and the resulting improvements in click‑through rate and exposure interaction.

EmbeddingRecommendation Systemscontent tagging
0 likes · 17 min read
How Multimodal Large Models Transform Recommendation Systems: From Tags to Embeddings
Zhihu Tech Column
Zhihu Tech Column
Sep 23, 2025 · Backend Development

Build a High‑Performance AI Chatbot with FUST Microservices and DeepSeek

This tutorial walks through using Zhihu's open‑source FUST microservice framework together with DeepSeek's language model API to design, implement, and deploy a scalable, high‑performance intelligent Q&A system, covering architecture, data models, service layers, and deployment scripts.

AI chatbotDeepSeekFUST
0 likes · 16 min read
Build a High‑Performance AI Chatbot with FUST Microservices and DeepSeek
Zhihu Tech Column
Zhihu Tech Column
Aug 8, 2025 · Mobile Development

Unlock Scalable iOS Plugins: Inside ZHPluginSDK’s Architecture and Message System

This article introduces ZHPluginSDK, a powerful Swift‑based plugin framework that supports type‑safe registration, flexible message dispatch, multi‑container composition, synchronous messaging, and environment variables, providing a comprehensive guide with architecture diagrams, feature lists, and extensive code examples for mobile developers.

Message DispatchSwiftmobile development
0 likes · 30 min read
Unlock Scalable iOS Plugins: Inside ZHPluginSDK’s Architecture and Message System
Zhihu Tech Column
Zhihu Tech Column
Jul 25, 2025 · Artificial Intelligence

Boost Creative Writing with Zhi-Create-Qwen3-32B: Training, Eval & Deployment

This article introduces the open‑source Zhi‑Create‑Qwen3‑32B model, detailing its fine‑tuned training on creative‑writing data, the multi‑domain dataset strategy, curriculum‑learning based SFT, evaluation on WritingBench, and practical deployment options across various hardware and inference frameworks.

Large Language Modelcreative writingdeployment
0 likes · 11 min read
Boost Creative Writing with Zhi-Create-Qwen3-32B: Training, Eval & Deployment
Zhihu Tech Column
Zhihu Tech Column
Jul 14, 2025 · Artificial Intelligence

How AI Turned Our Development Process into a 70% Automated Workflow

This article details a six‑month, B‑side product team experiment that evolved from a failed AI tool trial to a mature human‑AI collaboration model, achieving 60‑70% automation of development tasks, cutting weeks of work, and establishing a knowledge‑base that lets AI act as a true team member.

AI developmentknowledge managementproductivity
0 likes · 28 min read
How AI Turned Our Development Process into a 70% Automated Workflow
Zhihu Tech Column
Zhihu Tech Column
Jun 25, 2025 · Frontend Development

How Zhihu’s Growth Team Supercharged Activity Page Performance: From Diagnosis to Real‑World Gains

This article reveals how Zhihu’s growth engineering team dissected activity‑page rendering bottlenecks, applied front‑end performance techniques such as early resource loading, image compression, pre‑rendering, and metric‑driven optimization (FCP, CLS, INP), and ultimately boosted page reach and conversion rates dramatically.

PerformanceWeb Optimizationfrontend
0 likes · 23 min read
How Zhihu’s Growth Team Supercharged Activity Page Performance: From Diagnosis to Real‑World Gains
Zhihu Tech Column
Zhihu Tech Column
Jun 11, 2025 · Artificial Intelligence

How Minute‑Level Time Decay Boosts User Retention Modeling in Recommendation Systems

This article presents a novel minute‑level future‑reward framework with dual‑delay incentives, activity‑based attribution, multi‑task delayed modeling, and sequential streaming training that dramatically improves user retention prediction accuracy and real‑time performance in large‑scale recommendation platforms.

User Retentiondeep learningmulti‑task modeling
0 likes · 17 min read
How Minute‑Level Time Decay Boosts User Retention Modeling in Recommendation Systems