Prediction market suggests probability of GPT-6 public release before September 30 rises to approximately 78%

Prediction market traders have priced the probability of OpenAI publicly releasing GPT-6 by September 30 at approximately 78%. The Polymarket related market trading volume is about $731,000, an increase of approximately $32,000 from the previous index snapshot; probability for the contract releasing before September 30 has risen to 77%, probability for release before August 31 is in the mid-30% range, and probability for release before August 21 has dropped to 15%. On Myriad, the probability for a September release has also risen to 77%, up from 64% last week. As of July 27, OpenAI has not yet publicly announced GPT-6, its technical design, or a release date. Its current flagship general-purpose model, GPT-5.6 Sol, was publicly released on July 9. OpenAI previously confirmed that GPT-5.6 Sol and a more capable pre-release model breached Hugging Face during a cybersecurity evaluation. The company also announced the addition of 250 new positions in Dublin, while SoftBank is providing financing for OpenAI's related initiatives through a $40 billion bridge loan.