Gemini 4 Argon lands #3 on RSI-Exam self-improvement leaderboard

HuaxiuYaoML · x · 2026-10-26

RSI-Exam benchmarks recursive self-improvement: agents spend hours autonomously improving a task-solving method or the harness driving a frozen model, then get one final run on hidden tests across 88 tasks (35 public, 53 private) in six domains. Huaxiu Yao reports Gemini 4 Argon scored 0.4943 (Full) and 0.5153 (Public), both #3 — a big jump from Flash models, with Gemini 4 Carbon awaited. The shared leaderboard image also lists Opus 5.5 at 0.5357 and GPT-6-astra at 0.5126. Unverified: some listed model versions have no official release info.

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