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Author

Loan Bernat

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#artificial intelligence Preprint Oct 2026

MAGMA-Bench: Evaluating Long-Horizon Embodied Agents under Dynamic Tasks and Execution Failures

Long-horizon embodied agents must maintain task-relevant information, coordinate heterogeneous robots, and adapt their decisions as execution unfolds. Existing benchmarks investigate dynamic task execution and embodied multi-agent coordination, but provide limited evaluation of their intersection. We introduce MAGMA-Be...

Loan Bernat, Matthieu Grard, Ariane Herbulot et al. · 0 citations
#artificial intelligence Preprint Sep 2026

MAGMA-GEN: Validated Recovery Supervision from Ambiguous Failures via Counterfactual Re-Execution

MAGMA-GEN is an on-policy data-generation pipeline that converts ambiguous failed rollouts into validated recovery supervision and improves task success and recovery capabilities, against distillation and trajectory-repair baselines under evolving task constraints in both simulation and real-robot execution.

Loan Bernat, Matthieu Grard, Ariane Herbulot et al. · 3 citations

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