Concluding the AI 2025 puzzle competition

Slightly more than half a year ago, I launched the AI puzzle competition : I selected 3 math problems and a common sense one and then looked at how OpenAI models , Gemini models , Claude models , Mistral models , Llama models , QwQ, and Deepseek perform on these problems. To get more data, I also tested the effect of various prompt hints . Now, it is time to summarize all of this into a single…