The AI model landscape has become increasingly competitive as multiple organizations develop and release advanced large language models. OpenAI's GPT series has historically been among the leading models, but competitors like Anthropic's Claude, Google's Gemini, and others have made significant advances in recent months. This market asks whether OpenAI will hold the position of having the second-best performing AI model as of May 31, 2026. Model performance rankings are determined by various public benchmarks and assessments of real-world capabilities, including coding, reasoning, and instruction-following abilities. At current odds of 7% for YES, the market suggests traders view this outcome as unlikely. This pricing could reflect expectations that OpenAI will either remain in the top position or fall outside the top two as competitors advance. The AI landscape has shown that rankings can shift significantly as new model versions are released and benchmarks evolve. Resolution will be determined by evaluating publicly available information about AI model performance and industry consensus on model capabilities at market close on May 31, 2026.