Arena instruction following: what changed — Artificialshttps://artificials.net/tests/arena-instruction-followingEach new leader on Arena instruction following.enGemini 4 Argon High took the top spot on Arena instruction following at 1529, from Claude Opus 5.5https://artificials.net/tests/arena-instruction-followingleader:2026-10-01:Gemini 4 Argon High:arena-instruction-followingThu, 01 Oct 2026 00:00:00 GMTClaude Opus 5.5 took the top spot on Arena instruction following at 1516, from Claude Opus 4.6, within the published marginhttps://artificials.net/models/claude-opus-5-5leader:2026-09-26:claude-opus-5-5:arena-instruction-followingSat, 26 Sep 2026 00:00:00 GMT