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One Model Sends Another a Reusable Context Packet

LatComm encodes shared context once, then lets a different frozen model select what to read for each question.

Published Updated Story ID: mp-2026-10-20-012
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Summary

LatComm encodes shared context once, then lets a different frozen model select what to read for each question.

Multi-model systems repeatedly pay to transmit the same text. LatComm separates encoding from reading: one frozen model compresses context into a fixed-size packet, while a different frozen receiver uses prompt-conditioned cross-attention to select relevant content. Across twelve multiple-choice datasets, the authors report up to 10.2 points higher average accuracy than single-vector baselines. On QuALITY, receiver input fell by a factor of 57 and questions were answered three times faster. The learned bridge is not universally portable, but it demonstrates context that is compact, reusable and readable by a different model.

Why it matters

LatComm encodes shared context once, then lets a different frozen model select what to read for each question.

Limits and context

  • The learned bridge is not universally portable, but it demonstrates context that is compact, reusable and readable by a different model.

Key claims

  1. LatComm encodes shared context once, then lets a different frozen model select what to read for each question.

    Qualification: The learned bridge is not universally portable, but it demonstrates context that is compact, reusable and readable by a different model.

    Evidence: source-2026-10-20-012

Sources

  1. arXiv preprint 2610.26840, original v1arXiv · primary research

Corrections

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