SIGNALAI·Jun 2, 2026, 4:00 AMSignal75Short term

COMAP: Co-Evolving World Models and Agent Policies for LLM Agents

Source: arXiv cs.CL

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COMAP: Co-Evolving World Models and Agent Policies for LLM Agents

arXiv:2606.02372v1 Announce Type: cross Abstract: Equipping language agents with world models enables them to anticipate environment dynamics and evaluate candidate actions before execution. However, existing textual world models are typically fixed after training, preventing them from adapting to the on-policy state-action distributions induced by an evolving agent. Meanwhile, agent-improvement methods often rely on external rewards or verifiers, limiting their applicability in realistic interactive environments. In this paper, we propose COMAP, a novel framework that co-evolves textual world

Why this matters
Why now

The rapid advancement in Large Language Models (LLMs) has created a pressing need for agents that can autonomously adapt and learn from their environment rather than operating with fixed initial configurations.

Why it’s important

This development is crucial for enabling AI systems to operate more effectively in complex, dynamic, and real-world environments, moving beyond static programming to continuous learning and self-improvement.

What changes

AI agents can now co-evolve their internal understanding of the world (world models) and their decision-making rules (policies), allowing for more robust and adaptive autonomous behavior without constant human intervention or external reward signals.

Winners
  • · AI agents developers
  • · Robotics
  • · Generative AI
  • · Autonomous systems
Losers
  • · Fixed-policy AI systems
  • · AI requiring extensive human oversight
Second-order effects
Direct

AI agents will exhibit significantly improved performance and autonomy in interactive tasks.

Second

The proliferation of more capable AI agents will accelerate automation across various industries.

Third

This capability could lead to more sophisticated and potentially emergent AI behaviors, raising new challenges in control and ethics.

Editorial confidence: 90 / 100 · Structural impact: 60 / 100
Original report

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Read at arXiv cs.CL
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