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The discovery of high-temperature superconductors has important implications for industry and daily life. Recently, research on predicting the superconducting transition temperature using artificial intelligence (AI) has been active, but the lack of a standardized benchmark dataset has made it difficult to fairly compare AI algorithms and develop methodology. In this study, we present the HTSC-2025, a benchmark dataset of high-temperature superconductors under pressure, which includes high-temperature superconductors discovered by theoretical physicists based on the BCS theory of superconductivity from 2023 to 2025. It includes X$_2$YH$_6$, perovskite MXH$_3$, M$_3$XH$ 8$ systems, cage-type BCN-doped metal atom systems derived from the LaH$ {10}$ structural transition, and two-dimensional honeycomb structure systems evolved from MgB$_2$. HTSC-2025 is open sourced at https://github.com/xqh19970407/HTSC-2025 and will be continuously updated. This benchmark is expected to play a key role in accelerating the discovery of superconductors using AI-based methods.
Takeaways: Provide a standardized benchmark dataset for fair comparison and advancement of AI-based high-temperature superconductor prediction research. Contribute to accelerating the discovery of high-temperature superconductors using AI. Includes various types of high-temperature superconductor system data. Possibility of expanding the dataset through continuous updates.
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Limitations: Currently, only theoretically predicted materials from 2023 to 2025 are included. Experimentally verified data are not included. Only predicted data based on BCS theory are included, data based on other theoretical approaches are excluded. Additional research on the size and diversity of the dataset may be required.