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This is increasingly true of the frontier models across a variety of evals. Has anyone provided a good answer as to why? “There is no single best model At the top of the leaderboard, Opus 4.7, GPT-5.5, and Sonnet 4.6 appear almost indistinguishable, separated by less than 0.3 percentage points overall. Read superficially, the result suggests convergence: three frontier systems reaching roughly the same level of capability.”