
Function Calling and Tool Use: How to Make AI Actually Do Things
Function calling is what transforms an LLM from a text generator into an agent that takes real actions. A complete guide to tool use with OpenAI, Anthropic, and open-source models.
Deep dives into modern software development, AI integration, and best practices from our team of experts.

Function calling is what transforms an LLM from a text generator into an agent that takes real actions. A complete guide to tool use with OpenAI, Anthropic, and open-source models.

Vector databases are the memory layer of modern AI applications. This guide compares the top options — performance, cost, and when to use each.

Production prompt engineering is a discipline — not a hack. Learn the techniques that separate reliable AI features from demo prototypes that fail in the real world.

Single LLM calls have limits. Multi-agent systems assign specialised roles to different models, enabling parallelism, cross-checking, and complex reasoning no single call can achieve.

Fine-tuning an LLM on your own data can dramatically improve performance for specific tasks — but it is often the wrong tool. Learn when fine-tuning is justified and how to do it correctly.

Retrieval-Augmented Generation lets LLMs answer questions using your own documents, databases, and knowledge bases — not hallucinations. A practical guide to building production RAG systems.

AI agents go beyond chatbots — they plan, use tools, and complete multi-step tasks without human intervention. Learn how to build production-ready agents using LangChain.

A comprehensive guide to building modern web applications using MongoDB, Express, React, and Node.js. Learn best practices and common pitfalls.

Discover how to leverage AI and machine learning to enhance your products. From ChatGPT APIs to custom ML models.

Learn how to build lightning-fast mobile apps with React Native. Practical tips for improving render performance and reducing bundle size.

Build scalable applications without managing servers. Explore AWS Lambda, Vercel Functions, and best practices for serverless development.

FastAPI is revolutionizing Python web development. Learn how to build production-ready APIs with automatic documentation and type safety.
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