OpenRouter, a platform that intelligently routes AI prompts to various large language models (LLMs) based on factors like cost and speed, has secured $40 million in funding. The funding round values the company at approximately $500 million. OpenRouter's technology allows users to optimize their AI usage by selecting the most suitable LLM for a given task, considering factors beyond just raw performance. This investment highlights the growing demand for efficient and cost-effective AI solutions in the rapidly evolving landscape of generative AI.