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About this paper

A. Jian Yang, An Huang, Bo Dan, Chen Mu, Chengran Yang, Chuan Shi, Feng Chang, Hongxin Li and 169 more

IQuest-Q1 is an open-weight model designed for command-line agents that reason, use tools, and act in external systems. Its 320B parameters, with 15B activated per token, are trained in stages, then specialized in executable environments and combined across agent skills. On Terminal-Bench 2.1, it scores 83.2, below GLM-5.3-Flash and Claude Opus 5, demonstrating capability but not leadership.

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