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Sprint projectOct 26, 2026

What Counts as Evidence of Coordination?

Rohit Singh Rajput · Team Enxapse

Submitted to AI Collusion Research Sprint. Sprint projects are early-stage work by participants, not Apart Research publications.

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Report: What Counts as Evidence of Coordination?

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Presentation: What Counts as Evidence of Coordination?

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I tried to build a collusion detector and instead showed the usual evidence does not hold. In scripted runs, the method meant to reduce false accusations raised them by 7 points. In real Gemini traces, a classifier read the assigned peer policy perfectly from messages while the actual behaviour barely moved, and the big synchronization gap turned out to be arithmetic. No collusion found, none claimed.

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  1. 1Negligible. No clear problem addressed, or no meaningful novelty.
  2. 2Limited. Addresses a real problem but with a generic or well-trodden approach. Incremental at best.
  3. 3Moderate. Clear problem with a reasonable approach; some novelty in framing or method beyond routine application of existing tools.
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  4. 4Well presented. Easy to follow, well-structured, appropriate level of detail. Target audience would get it quickly.
  5. 5Exceptionally clear. A pleasure to read. Complex ideas made accessible. Could serve as a model for how to present this type of work.
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Cite this project

@misc{rajput2026counts,
  title = {{What Counts as Evidence of Coordination?}},
  author = {Rohit Singh Rajput},
  year = {2026},
  month = oct,
  note = {Submitted to AI Collusion Research Sprint, an Apart Research Sprint},
  howpublished = {\url{https://apartresearch.com/sprints/projects/what-counts-as-evidence-of-coordination-t8ou}},
  url = {https://apartresearch.com/sprints/projects/what-counts-as-evidence-of-coordination-t8ou}
}

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