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Overview

Welcome to the METIS project website. This research explores computational techniques for quantifying artificial metacognition, consisting of self-monitoring and self-regulation, in ensembles of Large Language Models (LLMs).

📰 News

Jan 2026 — Article in The Conversation
Jan 2026 — Paper accepted to ACM TheWebConf 2026
Nov 2025 — Google Cloud Research Grant received
Oct 2025 — Paper accepted to ACM CIKM 2025
Jan 2025 — Metacognition research group formed
Nov 2024 — Initial discussions about Metacognition in LLMs

Research Overview

Large Language Models (LLMs) struggle to assess their own uncertainty, detect knowledge conflicts, or recognize when problems exceed their expertise, limitations that undermine reliability and trust. We present a metacognitive framework for LLM ensembles that addresses these challenges through explicit self-monitoring and control.

Our system computes a Metacognitive State Vector (MSV) quantifying five dimensions derived from cognitive psychology research. MSV values automatically trigger System 1 (fast, single-node) or System 2 (deliberative, multi-node) processing based on query complexity and metacognitive needs.

Beyond simple routing, the MSV enables three key innovations: First, role transition dynamics allow ensemble nodes to dynamically assume specialized roles (expert, critic, synthesizer, etc.) driven by real-time metacognitive signals: when uncertainty spikes or conflicts emerge, the system reorganizes itself accordingly. Second, this framework advances explainable AI (xAI) by making the reasoning process transparent; users can see why the system chose a particular processing strategy, what triggered deliberation, and how confidence evolved. Third, we extend traditional teacher-student knowledge distillation by conditioning the transfer on metacognitive state; the student model learns not just what to think, but when to think harder, creating GenAI systems that inherit both knowledge and some semblance of cognitive self-awareness.

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