SIGNALAI·May 27, 2026, 4:00 AMSignal75Short term

MAIGO: Mitigating Lost-in-Conversation with History-Cleaned On-Policy Self-Distillation

Source: arXiv cs.CL

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MAIGO: Mitigating Lost-in-Conversation with History-Cleaned On-Policy Self-Distillation

arXiv:2605.27186v1 Announce Type: new Abstract: Large language models often solve tasks from a fully specified prompt but degrade when the same requirements unfold over multiple turns, known as the lost-in-conversation (LiC) gap. We trace part of this degradation to self-contamination: intermediate assistant replies enter later context and carry early deviations forward. Motivated by this mechanism, we propose MAIGO, an on-policy self-distillation method that reduces this contamination using history-cleaned references from the model's own policy. For middle turns, MAIGO removes prior assistant

Why this matters
Why now

This research addresses a critical limitation of large language models, 'lost-in-conversation,' which is increasingly relevant as LLMs are integrated into multi-turn applications like AI agents.

Why it’s important

Improved conversational capabilities of LLMs are essential for creating more robust and reliable AI systems, directly impacting the effectiveness of AI agents and complex automated workflows.

What changes

The ability of LLMs to maintain coherence and accuracy over extended conversations is enhanced, reducing errors caused by self-contamination and improving overall performance in dynamic contexts.

Winners
  • · AI developers
  • · SaaS companies leveraging LLMs
  • · Users of conversational AI
  • · AI research institutions
Losers
  • · Inefficient LLM architectures
  • · Companies relying on prompt-driven, single-turn AI
Second-order effects
Direct

More reliable and less error-prone conversational AI systems become available.

Second

The development and deployment of sophisticated AI agents functioning over long interactions accelerate.

Third

Complex white-collar tasks become increasingly automatable as AI agents gain more accurate and context-aware conversational abilities.

Editorial confidence: 90 / 100 · Structural impact: 55 / 100
Original report

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Read at arXiv cs.CL
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