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📰 Dev.to · Serhii Kalyna

56 articles · Updated every 3 hours · View all reads

All Articles 131,978Blog Posts 136,781Tech Tutorials 34,209Research Papers 25,925News 18,714 ⚡ AI Lessons
Streaming Responses with Claude API in Python (2026)
Dev.to · Serhii Kalyna 💻 AI-Assisted Coding ⚡ AI Lesson 1mo ago
Streaming Responses with Claude API in Python (2026)
Originally published at kalyna.pro Streaming sends Claude's response token by token as it's...
Claude Prompt Caching: How to Cut API Costs (2026)
Dev.to · Serhii Kalyna 1mo ago
Claude Prompt Caching: How to Cut API Costs (2026)
Originally published at kalyna.pro If your app sends the same large system prompt, tool...
Claude API Function Calling: Complete Guide to Tool Use (2026)
Dev.to · Serhii Kalyna 🤖 AI Agents & Automation ⚡ AI Lesson 1mo ago
Claude API Function Calling: Complete Guide to Tool Use (2026)
Originally published at kalyna.pro Function calling — what Anthropic calls tool use — lets Claude...
How to Build a WordPress AI Plugin (Step-by-Step Guide 2026)
Dev.to · Serhii Kalyna 1mo ago
How to Build a WordPress AI Plugin (Step-by-Step Guide 2026)
How to Build a WordPress AI Plugin (Step-by-Step Guide 2026) This guide builds a complete...
How to Build a Telegram Bot with PHP and AI (2026)
Dev.to · Serhii Kalyna 1mo ago
How to Build a Telegram Bot with PHP and AI (2026)
How to Build a Telegram Bot with PHP and AI (2026) This guide builds a fully working AI...
How to Integrate ChatGPT with PHP (Complete Guide 2026)
Dev.to · Serhii Kalyna 1mo ago
How to Integrate ChatGPT with PHP (Complete Guide 2026)
How to Integrate ChatGPT with PHP (Complete Guide 2026) This guide covers every approach:...
Vector Database Tutorial: Build Semantic Search from Scratch (2026)
Dev.to · Serhii Kalyna 1mo ago
Vector Database Tutorial: Build Semantic Search from Scratch (2026)
Vector Database Tutorial: Build Semantic Search from Scratch (2026) A vector database...
How to Build an AI Chatbot with PHP (Step-by-Step, 2026)
Dev.to · Serhii Kalyna 💻 AI-Assisted Coding ⚡ AI Lesson 1mo ago
How to Build an AI Chatbot with PHP (Step-by-Step, 2026)
How to Build an AI Chatbot with PHP (Step-by-Step, 2026) This guide builds a working web...
OpenAI PHP SDK: Complete Guide with Code Examples (2026)
Dev.to · Serhii Kalyna 💻 AI-Assisted Coding ⚡ AI Lesson 1mo ago
OpenAI PHP SDK: Complete Guide with Code Examples (2026)
OpenAI PHP SDK: Complete Guide with Code Examples (2026) The openai-php/client is the...
How to Build a Telegram Bot with Python and AI (2026)
Dev.to · Serhii Kalyna 💻 AI-Assisted Coding ⚡ AI Lesson 1mo ago
How to Build a Telegram Bot with Python and AI (2026)
A Telegram bot is one of the most practical ways to deploy an AI assistant — your users already have...
The Rust binding compiled fine. then it started segfaulting in prod
Dev.to · Serhii Kalyna 🔧 Backend Engineering ⚡ AI Lesson 1mo ago
The Rust binding compiled fine. then it started segfaulting in prod
I run a free image converter, its built on rust + axum + libvips. it had been happily running for...
Week 12 building Convertify in public (free image converter, Rust + libvips + Next.js SSG)
Dev.to · Serhii Kalyna 1mo ago
Week 12 building Convertify in public (free image converter, Rust + libvips + Next.js SSG)
What I shipped: Two new tools live: Resize Image and Crop Image, both on libvips natively A...
How to Use OpenAI API with PHP (Complete Guide, 2026)
Dev.to · Serhii Kalyna 1mo ago
How to Use OpenAI API with PHP (Complete Guide, 2026)
How to Use OpenAI API with PHP (Complete Guide, 2026) PHP powers a large part of the web,...
Claude vs GPT-4: Which AI API Is Better for Developers? (2026)
Dev.to · Serhii Kalyna 1mo ago
Claude vs GPT-4: Which AI API Is Better for Developers? (2026)
Claude vs GPT-4: Which AI API Is Better for Developers? (2026) Choosing between Claude and...
Building in public, week 11: 143 pages indexed, a TinyPNG alternative in Rust
Dev.to · Serhii Kalyna 🛠️ AI Tools & Apps ⚡ AI Lesson 1mo ago
Building in public, week 11: 143 pages indexed, a TinyPNG alternative in Rust
Week 11 of building Convertify a free image converter (Rust + Axum + libvips, Next.js SSG frontend)...
Building Image Compression in Rust with libvips Real Benchmarks, Real Tradeoffs
Dev.to · Serhii Kalyna 1mo ago
Building Image Compression in Rust with libvips Real Benchmarks, Real Tradeoffs
I've been building Convertify a free image converter for 11 weeks now. Last week I added compression...
Pinecone Tutorial: Getting Started with Vector Search in Python (2026)
Dev.to · Serhii Kalyna 1mo ago
Pinecone Tutorial: Getting Started with Vector Search in Python (2026)
Originally published at kalyna.pro Pinecone is a managed vector database built for...
Building Convertify in Public Week 10: PDF Cluster + Blog Launch
Dev.to · Serhii Kalyna 2mo ago
Building Convertify in Public Week 10: PDF Cluster + Blog Launch
Week 10 of building Convertify (convertifyapp.net) in public. What I shipped PDF cluster...
Why I Finally Added a Blog to My Converter Tool
Dev.to · Serhii Kalyna 📣 Digital Marketing & Growth ⚡ AI Lesson 2mo ago
Why I Finally Added a Blog to My Converter Tool
Two months in, 75 pages indexed, zero blog posts. That was the plan — ship converter pages, get them...
LangChain vs LlamaIndex: Which Python AI Framework to Choose (2026)
Dev.to · Serhii Kalyna 🧠 Large Language Models ⚡ AI Lesson 2mo ago
LangChain vs LlamaIndex: Which Python AI Framework to Choose (2026)
Choosing between LangChain and LlamaIndex is one of the first decisions you face when building a...