news•23 Dec 2025Anthropic Claude 4 Opus: Constitutional AI Reaches New HeightsClaude 4 Opus from Anthropic sets new standards for AI safety and capability, with improved reasoning and a revolutionary 'soul spec' for AI behavior.
news•23 Dec 2025Meta Llama 4: Open-Source Model Reaches Frontier PerformanceMeta's Llama 4 closes the gap with GPT-4 and Claude while remaining fully open-source, reshaping the AI landscape for developers and researchers.
