Abstract

Advances in generative modeling have recently been extensively employed in robotics for policy learning. In particular, Conditional Flow Matching (CFM) trained with expert demonstrations has been shown to outperform existing methods on robot manipulation benchmarks. While prior work has mainly focused on single-task settings, we study the problem from a multi-task perspective, as training independent models for each task is computationally expensive. Multi-Task policy learning comes with its own set of challenges, as naively training on a concatenated dataset of demonstrations would either require increased model capacity to accommodate the added complexity or result in drops in performance. We propose to distill knowledge from single-task CFM experts into a shared multi-task policy by transferring their learned velocity fields. We combine this distillation signal with the original CFM objective to retain fidelity to the demonstrations. Experiments on RLBench show that our approach improves multi-task policy performance over naive training while maintaining a fixed model size.

Keywords

Publication details

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Open access
Green open access

Cite this article

APA 7

Deshmukh, S., Mahdi, I., Heppert, N., & Valada, A. (2026). Distillation for Efficient Multitask Manipulation Policies via Conditional Flow Matching. https://omanscience.com/en/articles/distillation-for-efficient-multitask-manipulation-policies-via-conditional-flow-matching

MLA 9

Deshmukh, Shreya, et al. "Distillation for Efficient Multitask Manipulation Policies via Conditional Flow Matching." https://omanscience.com/en/articles/distillation-for-efficient-multitask-manipulation-policies-via-conditional-flow-matching.

Chicago (author–date)

Deshmukh, Shreya, Imen Mahdi, Nick Heppert, and Abhinav Valada. 2026. "Distillation for Efficient Multitask Manipulation Policies via Conditional Flow Matching." https://omanscience.com/en/articles/distillation-for-efficient-multitask-manipulation-policies-via-conditional-flow-matching.

Harvard

Deshmukh, S., Mahdi, I., Heppert, N. and Valada, A. (2026) 'Distillation for Efficient Multitask Manipulation Policies via Conditional Flow Matching', Available at: https://omanscience.com/en/articles/distillation-for-efficient-multitask-manipulation-policies-via-conditional-flow-matching.

Vancouver

Deshmukh S, Mahdi I, Heppert N, Valada A. Distillation for Efficient Multitask Manipulation Policies via Conditional Flow Matching. https://omanscience.com/en/articles/distillation-for-efficient-multitask-manipulation-policies-via-conditional-flow-matching

IEEE

S. Deshmukh, I. Mahdi, N. Heppert, and A. Valada, "Distillation for Efficient Multitask Manipulation Policies via Conditional Flow Matching," https://omanscience.com/en/articles/distillation-for-efficient-multitask-manipulation-policies-via-conditional-flow-matching.