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© 2026 LUMINA BENCH. Evidence before rank.Data refreshed 21 Jul 2026 · Power Index 1.6.0 · 820 models

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GPT-5.1-Codex

OpenAI · stable

GPT-5.1-Codex

GPT-5.1-Codex is a proprietary model variant recorded in the BenchLM public dataset.

Not ranked · Not evaluated score · Confidence Not graded

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