Author

Zhiheng Zhang

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Preprint Aug 2026

OoO-Spec: Out-of-Order Semantic Speculation for Fast Tool Calling

OO-Spec is fastest among all evaluated methods in all 21 target-benchmark cells, and outperforms every evaluated released learned drafter in each comparable cell, while the same sidecar improves on ToolSpec by 34.1% on average.

Zhiheng Zhang, Mujie Xu, Fei Sun et al. · 0 citations