OpenAI’s accelerated release cadence, with GPT-6 Astra launching in early September 2026 just 13 months after GPT-5, forms the core driver behind current trader sentiment on a GPT-7 timeline. The company has issued no official announcements, previews, or documentation for a GPT-7 large language model as of mid-October 2026, focusing instead on rapid GPT-6 variants such as Sol, Luna, and GPT-6.1 Sol that emphasize cost reductions, coding, and agentic capabilities. Recent internal model outputs in mathematics highlight ongoing frontier research without confirming a new generation. Prediction markets reflect this pattern, showing strong consensus for a second-half 2027 window while assigning lower odds to mid-year targets, consistent with typical flagship intervals and the absence of signals for an earlier major release amid competitive pressure from models like Claude Opus and Gemini.