I created this beginner-friendly guide to explain neural networks in a simple way. It covers how neural networks work, their basic concepts, and why they are important in modern AI. This launch is for students, developers, and anyone who wants to start learning artificial intelligence.
This is the 24th launch from Neural Networks Explained. View more
AI Evaluation Tools
Launching today
Test LLMs, RAG & AI Agents with Confidence
AI Evaluation Tools Explained is a practical 2026 guide for developers, AI engineers, and builders who want to test AI systems before putting them into production. It covers the best tools and approaches for evaluating LLM accuracy, RAG retrieval and generation, hallucinations, AI agent behavior, safety, latency, and overall reliability. The guide also explains how to choose the right evaluation approach for different AI projects.
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AI apps are becoming more capable, but testing them reliably is still a major challenge.
I created this guide to make AI evaluation easier to understand—from LLM testing and RAG evaluation to AI agent testing and production monitoring.
If you're building an AI product in 2026, I'd love to hear: what is the hardest part of evaluating your AI system?