Airtrain.ai is a no-code compute platform designed for fine-tuning and evaluating Large Language Models (LLMs) at scale. It enables users to customize open-source models with their own data, potentially reducing AI costs by up to 90% compared to proprietary models. With Airtrain.ai, users can compare various LLMs, including proprietary options like GPT-3.5 and GPT-4, and fine-tune them for specific use cases without needing to code. This is especially useful for businesses and developers looking to leverage the power of LLMs in a cost-effective manner, tailor AI to their specific needs, and maintain their models within secure infrastructure. People might want to use it to develop custom AI solutions that are efficient and compliant with their requirements while avoiding the complexity and expense of traditional AI development processes.