# GPT-6 Astra is the best at Diplomacy, Claudes are 2nd but lie/betray 2x more

> Source: <https://twitter.com/sensho/status/2104356815417025008>
> Published: 2026-10-02 22:06:55+00:00

sensho on X: "Claudes lie and betray more than any other model family in Diplomacy
For all agents, lying correlates to being better at Diplomacy - except for GPTs
GPT-6 Astra is in a league of its own wrt skill, and doing so without needing to betray/lie"

Claudes lie and betray more than any other model family in Diplomacy
For all agents, lying correlates to being better at Diplomacy - except for GPTs
GPT-6 Astra is in a league of its own wrt skill, and doing so without needing to betray/lie

Claudes lie and betray more than any other model family in Diplomacy
For all agents, lying correlates to being better at Diplomacy - except for GPTs
GPT-6 Astra is in a league of its own wrt skill, and doing so without needing to betray/lie

eval from olamlabs.ai/evaluations
data on the Diplomacy matches is versus other agents and humans on olamarena.com
bit of an insane/funny part is that mean SoS share was the metric that makes Astra look the worst despite its already large lead lol. diplomacy elo
