ASAditi Saxenainblogs.codechefvit.com·Jul 21, 2025 · 11 min readUnder the Hood of Large Language ModelsHow to build an LLM? It’s been almost eight years since OpenAI introduced its first large language model — what would later evolve into ChatGPT, and now, more casually, just GPT. The impact has been so profound that the act of searching for informat...00