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Adaptive depth ·

Mixture-of-Recursions

Mixture-of-Recursions: Learning Dynamic Recursive Depths for Adaptive Token-Level Computation

Sangmin Bae, Yujin Kim, Reza Bayat, Sungnyun Kim, Jiyoun Ha, Tal Schuster, Adam Fisch, Hrayr Harutyunyan, Ziwei Ji, Aaron Courville, Se-Young Yun

Routes tokens through different numbers of shared recursions and studies recursion-aware caching strategies.

Inside the method

Token → Router → Rᵢ loops

Simplified conceptual schematic. Consult the paper for the complete architecture.

Recurrence family
Adaptive depth
Depth control
Token-level routing
KV / state strategy
Recursion-wise / shared KV

Reading note

Appendix E measures forward time without KV cache maintenance. Do not read its throughput gains as universal end-to-end serving speedups.

Sources checked 2026-09-15. This catalog does not imply independent reproduction.

Cite this work

@misc{mor2025,
  title = {Mixture-of-Recursions: Learning Dynamic Recursive Depths for Adaptive Token-Level Computation},
  author = {Sangmin Bae and Yujin Kim and Reza Bayat and Sungnyun Kim and Jiyoun Ha and Tal Schuster and Adam Fisch and Hrayr Harutyunyan and Ziwei Ji and Aaron Courville and Se-Young Yun},
  year = {2025},
  eprint = {2507.10524},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2507.10524}
}

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