Intern-S1-Pro: Scientific Multimodal Foundation Model at Trillion Scale

• URL: http://arxiv.org/abs/2603.25040v2
• Date: Thu, 02 Apr 2026 04:46:24 GMT
• Title: Intern-S1-Pro: Scientific Multimodal Foundation Model at Trillion Scale
• Abstract summary: Intern-S1-Pro is the first one-trillion- parameter scientific multimodal foundation model.<n>Its scientific expertise has been vastly expanded to master over 100 specialized tasks across critical science fields.<n>XTuner and LMDeploy facilitate highly efficient Reinforcement Learning (RL) training at the 1-trillion parameter level.
• Score: 243.02537333434245
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We introduce Intern-S1-Pro, the first one-trillion-parameter scientific multimodal foundation model. Scaling to this unprecedented size, the model delivers a comprehensive enhancement across both general and scientific domains. Beyond stronger reasoning and image-text understanding capabilities, its intelligence is augmented with advanced agent capabilities. Simultaneously, its scientific expertise has been vastly expanded to master over 100 specialized tasks across critical science fields, including chemistry, materials, life sciences, and earth sciences. Achieving this massive scale is made possible by the robust infrastructure support of XTuner and LMDeploy, which facilitates highly efficient Reinforcement Learning (RL) training at the 1-trillion parameter level while ensuring strict precision consistency between training and inference. By seamlessly integrating these advancements, Intern-S1-Pro further fortifies the fusion of general and specialized intelligence, working as a Specializable Generalist, demonstrating its position in the top tier of open-source models for general capabilities, while outperforming proprietary models in the depth of specialized scientific tasks.

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