ProductsOct 7, 20261 min readGPT-6.1 Sol vs. GPT-6 Astra: Same accuracy at 18% of the cost - The New Stack0SaveShareContentsWhy it mattersBenchmark Metric18%Reported Accuracy / GainCategoryProductsIndustry DomainThe Core DevelopmentGPT-6.1 Sol vs. GPT-6 Astra: Same accuracy at 18% of the cost The New StackWhy it mattersGPT-6 Astra: Same accuracy at 18% of the cost The New Stack Reported by Google News — OpenAI / GPT-6 Astra on October 7, 2026.