Political-bias benchmark for Grok 4, GPT-4.1, Gemini 2.5 Pro and Claude Opus 4 #1 Post by dangelosaurus » Fri, Jul 25, 2025, 8:56 PM UTC Political-bias benchmark for Grok 4, GPT-4.1, Gemini 2.5 Pro and Claude Opus 4promptfoo.dev