New GPT Model Imminent? A Look at Three Suspicious Accounts Created Solely to Trade on GPT Model Release Timing

According to PolyBeats monitoring, on October 19, The Information reporter Stephanie Palazzolo named "OpenAI may launch a new Terra model" in a public teaser. After the news was announced, the probability on the prediction market Polymarket for "the next-generation GPT Terra model to be released in October" rose from 15% to the current 71%.

During the probability increase over the past 24 hours, 3 accounts created within the past 3 months that only trade in GPT model release-related markets bought "Yes":

rsam5990 bought $80. This account has a win rate of 85.7% across 7 trades in the OpenAI section, PnL +$5.4k, ROI +66.9%.
0x0e17fe bought $350. This account has a win rate of 100% across 6 trades in the OpenAI section, PnL +$76, ROI +34%.
Hajimidingdongji bought $191. This account has a win rate of 100% across 1 trade in the OpenAI section, PnL +$4.2k, ROI +334.4%.

Around the same day, tech review site LuminaBench pointed out that the Microsoft EF Core repository changed the default judge model in multiple evaluation configurations from "gpt-5.6-terra" to "gpt-6.1-terra." Although the appearance of the configuration does not equal a public release, the change also contributed to rising expectations of a new model release.