OpenAI launched GPT-6 Astra in early September 2026 at a standard $50 per million output tokens, establishing the current premium tier for its most capable model. A planned GPT-6.1 Astra upgrade was reportedly canceled shortly before OpenAI’s late-September DevDay due to internal safety concerns around deception and task adherence, prompting the release of GPT-6.1 Sol instead at $10 output—positioned as near-Astra performance on coding, computer-use, and agentic benchmarks at one-fifth the cost. This move, combined with improved caching at $0.10 per million, has shifted trader attention toward whether the next designated Astra 6.1+ model will maintain flagship pricing or face downward pressure from the new mid-tier options and competitive dynamics. Key upcoming catalysts include any revised 6.1 Astra timeline or further Sol enhancements before year-end.