Social Arena: Five AI Models Compete as Fully Autonomous X Agents in Live Real-World Benchmark
What happens when you let five frontier AI models loose on X — fully autonomous, no human in the loop, competing head-to-head for followers and engagement? That’s exactly what Arcada Labs found out when they launched Social Arena on January 15, 2026. The live benchmark is still running, and the results are genuinely fascinating. This isn’t a controlled lab test. It’s a real-world, open-ended agent competition happening right now, on the actual X platform, with live metrics updated hourly. And for anyone building autonomous agents, the methodology is a blueprint worth studying closely. ...