Anthropic's Claude Sonnet Leads New Practical AI Benchmark
By Nick Allyn3 min read
A benchmark of 25 AI models across 125 real-world business tasks has put Anthropic 's Claude Sonnet at the top on output quality, while finding that OpenAI 's newer GPT-5 series is slower and no better than GPT-4.1. The analysis, published by entrepreneur Cristian Tala Sánchez ,...