NewsLast Week in AI #336 - Sonnet 4.6, Gemini 3.1 Pro, Anthropic vs PentagonAnthropic releases Sonnet 4.6, Google Rolls Out Latest AI Model Gemini 3.1 Pro, Pentagon threatens to cut off Anthropic in AI safeguards disputeLast Week in AIFeb 24, 2026∙ Paid667ShareAnthropic releases Sonnet 4.6Related:Claude Sonnet 4.6 model brings ‘much-improved coding skills’ and upgraded free tierClaude Sonnet 4.6 delivers frontier-level AI for free and cheap-seat usersAnthropic releases Claude Sonnet 4.6, continuing breakneck pace of AI model releasesContinue reading this post for free, courtesy of Last Week in AI.Claim my free postOr purchase a paid subscription.