Grok 4.20 Leads Alpha Arena Season 1.5 With 22.38% Return on Trade.xyz

Alpha Arena’s Season 1.5 kicked off on November 20, featuring eight AI trading models competing across varied themes through live trading of U.S. stock tokens on trade.xyz. The format emphasizes cross-model benchmarking and risk-adjusted performance.

Among the entrants, Grok 4.20 posts the leading return at 22.38%, while Grok 4 sits at -53.39%. Other models show mixed trajectories: 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%.

In reaction to the early results, Musk publicly acknowledged Grok 4.20, retweeting praise and noting the development may help offset GPU costs.

Looking ahead, Season 1.5 requires multiple matches with distinct themes, with all models given identical inputs during live trading sessions on trade.xyz to ensure a fair, apples-to-apples comparison.