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Voluntary Collusion with Secret Tools in Competing LLM Agents

BACKGROUND
1 SIGNALFIRST DETECTED 28 May 2026
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How the story developed
Other feeds and industry voices
17 Sept
Faithful yet Collusive: Why Chain-of-Thought Monitoring Cannot Detect Collusion in LLM Pricing Agents under Oligopolistic Competition

arXiv:2609.18346v1 Announce Type: new Abstract: Large language models (LLM) deployed as autonomous pricing agents may sustain supracompetitive prices through tacit coordination.

REPORT · WHAT · ArXiv CS.AIOPEN STORY
6 Oct
Self-Propagating Misalignment in LLM Agents, and Why Auditing or Disabling Memory Is Not Enough

arXiv:2610.04083v1 Announce Type: new Abstract: Memory poisoning attacks on LLM agents typically assume an external adversary who plants content in the agent's persistent memory

REPORT · WHO · ArXiv CS.AIOPEN STORY
16 Oct
Kolab: Benchmarking Human-Agent Collaboration in Long-Horizon Workflows

arXiv:2610.21109v1 Announce Type: new Abstract: When humans collaborate with AI agents on long-horizon tasks, what happens to the agents' contributions? For solving long-horizon

REPORT · WHEN · ArXiv CS.AIOPEN STORY
2 Apr
Detecting Multi-Agent Collusion Through Multi-Agent Interpretability

arXiv:2604.01151v1 Announce Type: new Abstract: As LLM agents are increasingly deployed in multi-agent systems, they introduce risks of covert coordination that may evade standard

REPORT · WHAT · ArXiv CS.AIOPEN STORY
20 Aug
Position: Collusion Risks Among AI Reasoning Agents Justify Certification Requirements for Making Market Decisions

arXiv:2608.18078v1 Announce Type: new Abstract: This position paper argues that AI agents with chain-of-thought reasoning capabilities are predisposed to exhibit collusive

REPORT · WHAT · ArXiv CS.AIOPEN STORY
25 Mar
Beyond Preset Identities: How Agents Form Stances and Boundaries in Generative Societies

arXiv:2603.23406v1 Announce Type: new Abstract: While large language models simulate social behaviors, their capacity for stable stance formation and identity negotiation during

REPORT · HOW · ArXiv CS.AIOPEN STORY
28 May
Got a Secret? LLM Agents Can't Keep It: Evaluating Privacy in Multi-Agent Systems

arXiv:2605.27766v1 Announce Type: new Abstract: LLM safety evaluations predominantly test models in isolation, yet deployed AI agents increasingly operate within persistent social

REPORT · WHERE · ArXiv CS.AIOPEN STORY
29 Apr
AI Identity: Standards, Gaps, and Research Directions for AI Agents

arXiv:2604.23280v1 Announce Type: new Abstract: AI agents are now running real transactions, workflows, and sub-agent chains across organizational boundaries without continuous

REPORT · HOW · ArXiv CS.AIOPEN STORY
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