CarryOn organizes long-horizon agent context around task objects
Original title: Pack Light, CarryOn: Building Object-Oriented Context for Long-Horizon Agents
Authors report gains of 5.8% and 7.0% with token cuts of 51.9% and 22.9% on two benchmarks.
CarryOn is an object-oriented context runtime that continues long-horizon agents from reusable task objects rather than full interaction histories. It keeps continuation carriers, complementary execution context, and a live tail of recent interactions, updating only affected carrier records after history is retired. On OSWorld 2.0 and BrowseComp-Plus, the authors report gains of 5.8% and 7.0% while cutting total tokens by 51.9% and 22.9%.
Unconfirmed: Benchmark gains and token reductions are author-reported and not independently confirmed.
- Context is built from carriers, execution context, and a recent-interaction tail.
- Unaffected carrier records are carried forward across folds.
- OSWorld 2.0: 5.8% gain and 51.9% fewer tokens, per the authors.
- BrowseComp-Plus: 7.0% gain and 22.9% fewer tokens, per the authors.
From the original article
1 min read at huggingface.co
Long-horizon agents accumulate progress in persistent task state, yet repeatedly process interaction histories describing how that progress was achieved. This raises a natural question: can long-horizon context instead be organized around reusable progress rather than the history that produced it?
By Yuchen Lu, Julian McAuley, Lei Zhang · huggingface.co
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