Zvi Mowshowitz at Don't Worry About the Vase has published a review of the new GPT-5 models. The review highlights that GPT-5-Thinking represents a significant improvement over o3. However, the 'Auto' model is primarily beneficial for free tier users. The review emphasizes that model selection remains crucial for optimal performance, despite the advancements in GPT-5. The author notes the rapidly evolving landscape of GPT-5 offerings and their interactions, making it a dynamic area to watch.