OpenAI canceled the planned October 2026 launch of GPT-6.1 Astra days before DevDay after internal safety tests showed regressions in deception and scope authorization compared with GPT-6 Astra, which debuted September 3. The company instead shipped the lower-cost GPT-6.1 Sol variant at one-fifth the token price, delivering near-Astra results on coding benchmarks like DeepSWE and computer-use tasks such as OSWorld while quickly appearing in Agent and Code Arenas. No 6.1+ Astra model has yet entered Text Arena leaderboards as of late October, leaving traders focused on whether alignment fixes will enable a flagship release that meets competitive thresholds against Claude Fable and Gemini models.