The 2025 LLM Revolution: How Reasoning Models, Falling Costs, and New Architectures Are Changing AI

The State of Large Language Models in 2025: The Rise of Reasoning, Falling Costs, and Future Horizons As 2025 draws to a close, it has undoubtedly been another landmark year in the field of artificial intelligence, particularly for Large Language Models (LLMs). If you feel the pace of technological progress isn’t slowing but accelerating, you’re right. From reasoning models that can “show their work” to dramatically falling training costs and the continuous evolution of model architecture, the past year has been filled with substantive breakthroughs. This article will guide you through the most important advancements in the LLM space in …