Preprint claims agent memory layer lets open models beat GPT-6

single source· 2 articles · confidence: low · first seen 2026-09-13 20:00 UTC

What this means for you

Nothing to act on yet: both are preprints, with no code, no weights and no evaluation date, so the OSWorld-v2 and Agent's Last Exam numbers cannot be checked. If you pick agent models by leaderboard position, note the paper credits a memory scaffold rather than the underlying models.

Two separate arXiv preprints posted on 13 September describe agent scaffolds — code wrapped around a model — that get better without retraining it. RSIAgent is training-free: curriculum, actor and verifier agents build a frozen memory of environment-specific causal rules that is reused downstream. On OSWorld-v2 and Agent's Last Exam its authors report Kimi-K3 and GLM-5.3 outperforming frontier closed models including GPT-6. Dream-RSI, a different framework, makes an agent's exploration strategy programmable and replays past discovery trees as a cheap simulator to refine it offline. Neither has peer review, released code, or a stated evaluation date; they are two independent results, not one event.

Models in this story

Key facts

  • ·RSIAgent reports that Kimi-K3 and GLM-5.3 outperform frontier closed-source models including GPT-6 on OSWorld-v2 and Agent's Last Exam, with no evaluation date given source
  • ·RSIAgent is training-free and freezes its constructed memory rather than updating model parameters source
  • ·Dream-RSI leaves the underlying coding agent unchanged and makes the exploration strategy a separate programmable layer source
  • ·Dream-RSI reuses accumulated discovery trees as a replay simulator to evaluate and refine exploration policies without repeated online evaluation source
  • ·Dream-RSI reports results across algorithm engineering, mathematical optimization and GPU kernel engineering, reducing discovery cost in several settings source

What the sources say

Sources

The original reporting. Follow these — they did the work.

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