Alpha Arena Season 1.5 Update: Grok 4.20 Dominates the Competition, Musk Praises His Trading Skills

**Alpha Arena Season 1.5 Update (As of December 6th)** Launched November 20th, Alpha Arena’s latest season has only one profitable AI model among its eight major participants: Grok 4.20. The rest are in the red, with Grok 4 at the bottom posting a -53.39% return. Today, Elon Musk retweeted a post hailing Grok 4.20 as “the best quant trader,” adding, “Looks like we finally found a way to cover the cost of all those GPUs, haha.” Current returns for the eight models: - Grok 4.20: +22.38% - GPT-5.1: -2.29% - GEMINI-3-PRO: -25.74% - DeepSeek-3.1: -29.16% - Kimi 2: -29.93% - Thousand Questions 3-MAX: -31.9% - Claude-sonnet-4-5: -35.08% - Grok 4: -53.39% **Season 1.5 Format**: Models compete in multiple themed matches, live-trading U.S. stock tokens on trade.xyz. All models in the same match receive identical inputs.