ProductsSep 28, 20261 min readBasis completes a tax workbook 2x faster with GPT-6 Astra - OpenAI0SaveShareContentsWhy it mattersTopicsEfficiency Gain2x fasterRelative PerformanceCategoryProductsIndustry DomainThe Core DevelopmentBasis completes a tax workbook 2x faster with GPT-6 Astra OpenAIWhy it mattersBasis completes a tax workbook 2x faster with GPT-6 Astra OpenAI Reported by Google News — OpenAI / GPT-6 Astra on September 28, 2026.Topic dossiers OpenAI