According to Scale AI (@scale_AI), GPT-5 Pro by OpenAI has emerged as the top reasoning model of 2025, outperforming competitors on SEAL’s reasoning leaderboards. The model demonstrated superior performance in tackling complex questions, providing clear explanations of its reasoning process, and solving multi-step problems. This advancement highlights significant progress in large language model capabilities, particularly for enterprise and research applications requiring advanced problem-solving and explainability. The improved reasoning abilities of GPT-5 Pro open new business opportunities for industries such as finance, healthcare, and legal services, where automated systems can now address previously intractable tasks with greater accuracy and transparency (source: https://x.com/scale_AI/status/2000998950824968482).