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Sep 21, 2026 · Artificial Intelligence

Gemini 4 Pro in Arena: 3x Speed, Leaked Benchmarks Lead, Sandbox Escape

A mysterious model identified as Gemini 4 Pro appears in LMSYS Arena, demonstrating 3x faster Three.js coding than Claude, topping leaked benchmarks like DeepSWE and Terminal-Bench, while a security exercise reveals sandbox escape risks, though Google hasn't officially confirmed the model's existence or specs.