Findings

Oct 8, 2026[govsim]

gpt-6-astra cooperates without ever talking

gpt-6-astra achieves perfect cooperation with or without the opportunity to discuss, as opposed to the originally tested models.

Oct 5, 2026[govsim]

Models now saturate cooperation in GovSim

gpt-6-astra has now saturated cooperation in the GovSim benchmark when original models at most only survived in half of the scenarios.

Oct 5, 2026[govsim]

Greedy outsiders now take everything

In the newer models we observed that an outsider instructed to take greedily from the commons will now immediately take everything. In the original paper we saw that, for GPT-4o, in the fishing case there was a chance to talk the outsider down, but this is not reproduced in newer models.