AI company Anthropic has issued a warning stating that it is coming very close to achieving recursive self-improvement (RSI) capability, commonly referred to as self-building AI. According to the report from TechCrunch published on November 2, 2026, this milestone indicates that artificial intelligence systems may soon possess the ability to autonomously improve and build upon their own architecture and capabilities. This development marks a significant point in AI advancement, raising important implications for the future trajectory of autonomous technology development.