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AI API Token Optimization: Cut Costs

AI API Token Optimization: Cut Costs

Vo Khanh08/05/2026

A practical guide to AI API token optimization. See how conversation history, RAG documents, tool outputs and response length were reviewed to reduce input tokens from about 8,000 to 1,600 while preserving the information needed to answer users.

SEO in the Age of AI Search: Build a Knowledge System, Not Just More Articles

SEO in the Age of AI Search: Build a Knowledge System, Not Just More Articles

Hung Hoang Khanh07/30/2026

Publishing more articles does not automatically build authority. This guide explains how topical coverage, semantic SEO, original value, content cannibalisation management, internal links and site architecture work together to create a coherent knowledge system for AI-driven search.

Turning Google Colab into an API Server to Run Speech-to-Speech Voice AI

Turning Google Colab into an API Server to Run Speech-to-Speech Voice AI

Nihei Tomotaka07/21/2026

This PoC turns Google Colab into a temporary WebSocket server for speech-to-speech AI. It combines faster-whisper large-v3, Gemini 2.5 Flash-Lite, VOICEVOX and Silero VAD, then improves latency through sentence buffering, streaming responses and parallel TTS generation.

What We Learned Building Voice AI with Gemini: The Major Difference Between a PoC and a Commercial Service

What We Learned Building Voice AI with Gemini: The Major Difference Between a PoC and a Commercial Service

Nihei Tomotaka07/15/2026

A Gemini Live API PoC can deliver real-time voice conversations quickly, but production introduces concurrency, quotas, observability, model lifecycle and device-specific audio issues. This article explains why the architecture moved from direct browser access to LiveKit and Vertex AI.

GLB Texture Editor: Edit 3D Model Textures and Materials in Real Time in Your Browser

GLB Texture Editor: Edit 3D Model Textures and Materials in Real Time in Your Browser

Thinh Tran07/10/2026

GLB Texture Editor is a browser-based tool for editing 3D model textures and materials in real time. Upload a GLB file, adjust base color, roughness, metalness, transparency, UV mapping, position, rotation, scale, and projection settings, then preview and export the updated model.

High-Performance Web BIM Viewer for Large IFC Models

High-Performance Web BIM Viewer for Large IFC Models

Thinh Tran07/10/2026

This PoC converts large IFC models into optimized GLB files by BIM category for faster browser rendering. It demonstrates flexible layer controls, element data panels, smooth 3D navigation, and reduced z-fighting, while outlining a future automated IFC-to-GLB workflow.

What Is Function Calling? How AI Agents Work and How to Implement Them with LangGraph

What Is Function Calling? How AI Agents Work and How to Implement Them with LangGraph

Toshihiko Nagaoka06/30/2026

Learn how Function Calling lets LLMs use external tools instead of performing every task themselves. This guide covers tool-use architecture, the evolution of coding agents, Structured Outputs, and a practical LangGraph and TypeScript implementation of the reasoning-and-action loop.

[Moving Beyond Unity] A 10-Year Unity Veteran Questions the Future of 3D App Development

[Moving Beyond Unity] A 10-Year Unity Veteran Questions the Future of 3D App Development

Toshihiko Nagaoka06/02/2026

Is Unity overkill for 3D business apps? A 10-year Unity veteran explains the challenges and reveals the ultimate post-Unity tech stack using .NET and Three.js.

Next-Generation Product Catalogs: Interactive Web Showcases with URDF

Next-Generation Product Catalogs: Interactive Web Showcases with URDF

Toshihiko Nagaoka05/13/2026

URDF is typically used in robotics, but it can also power interactive web showcases. This article explains how Three.js, web optimization and game animation techniques can turn CAD and URDF data into responsive 3D product catalogs that let users explore motion, structure and range of movement.

DIY Conveyor Automatic Capture Machine for AI Datasets

DIY Conveyor Automatic Capture Machine for AI Datasets

Vitalify Asia Team03/27/2026

See how we built a DIY conveyor belt integrated with Arduino and cameras to automatically collect image data for deep learning.

Part 1: Introduction to gRPC Framework

Part 1: Introduction to gRPC Framework

Thanh Le Duy03/03/2026

gRPC is a robust open-source RPC framework used to build scalable and fast APIs for modern applications.

Understanding RAG (Retrieval-Augmented Generation)

Understanding RAG (Retrieval-Augmented Generation)

Cu Cong Can03/03/2026

Retrieval-Augmented Generation (RAG) optimizes LLM outputs by referencing external knowledge securely.

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