Alibaba's Scroll Lets Models Code Their Own Context Management for Long-Horizon Agents
rohanpaul_ai · x · 2026-08-27
Long-horizon agents often struggle with context window limits, relying on lossy summarization. Scroll, a new framework from Alibaba, shifts this paradigm: it preserves the full event log and uses a persistent Python Kernel, letting the model write code to retrieve relevant information only when needed at query time.
- Core Mechanism: Transforms context management from "rule-based constraints" to "model programming", binding tool outputs to kernel variables instead of pasting them into the prompt.
- Performance: On the BEAM benchmark (where histories exceed current context windows), Scroll (backed by Qwen2.5-72B-Instruct) scored 73.1, outperforming the best published memory system's score of 68.0.
Related event: Alibaba's Scroll Manages Long-Horizon Agent Context via Code(2 posts)→
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