Cross-verify With Trusted SourcesAlways corroborate key facts or figures generated by the LLM with reliable, authoritative sources such as official websites, academic papers, or verified databases. If the output contradicts these trusted references, it’s likely a hallucination. Check Logical ConsistencyReview the output for internal contradictions or implausible claims. Hallucinated content…
If you are new to data science and artificial intelligence, understanding hallucinations in large language models (LLMs) like ChatGPT, GPT-4, or similar platforms is essential. Simply put, hallucination is when a language model generates an answer or text that sounds plausible, coherent, and confident but is actually factually incorrect or…
Prompt engineering is the skill of creating effective instructions for AI models. For developers and data scientists, it’s essential because the quality of an AI’s output depends entirely on the quality of the input prompt. The commonly used large language models (LLMs) in 2025 include ChatGPT (GPT-5), Claude 4, DeepSeek…
The Transformer architecture lies at the heart of today’s large language models (LLMs) like GPT-4, Claude, and Gemini, revolutionizing how machines understand and generate text. Introduced in the 2017 paper “Attention Is All You Need” by Vaswani et al., this architecture replaced older recurrent models by offering a faster, more context-aware approach to processing…
Imagine you’re reading a long story. Halfway through, you come across the word “she.” To know who “she” is, your brain quickly looks back at earlier sentences: “Oh yes, the girl with the red umbrella!” That ability to look around and find the right connection is exactly what makes transformers…
When you talk to an LLM, you type in words. But computers don’t understand words the way humans do. They only work with numbers. So, how does your sentence, “Good morning, how are you?” turn into something a machine can process? The answer is tokenization. Tokenization is the process of…
Large Language Models, or LLMs, are everywhere these days—chatbots, writing assistants, coding helpers, even customer support. But what exactly is an LLM? Every time you ask ChatGPT a question, you’re using an LLM. But how does it actually work? The easiest way to understand is to start simple. At its…
Synthetic data has become an exciting approach for experimenting, testing, and training models when real data is limited, sensitive, or difficult to obtain. Let us explore some powerful Python tools that make creating synthetic data even easier and more realistic. 1. Faker: For Quick and Realistic Data Faker is probably…
Traffic data is important for things like planning roads, building smart cities, and developing self-driving cars. However, obtaining real traffic data can be expensive, incomplete, or raise privacy concerns. That’s where synthetic traffic data helps. It’s fake data that behaves like real traffic. In this post, I’ll show you how…
In the transportation sector, real-world data is essential for planning, safety, and efficiency. But collecting it can be slow, expensive, or restricted due to privacy concerns. Synthetic data—artificially generated but statistically realistic—offers a powerful solution. City planners use synthetic traffic datasets from simulations to test new road designs, bus routes,…