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gpt-5.2-pro-2025-12-11

55±0

55interval56

OpenAIDec 2025swing #172–#262

Overall ×1WebDev Arena ×1Vision Arena ×1Factuality Arena ×1Search Arena ×1Document Arena ×1Agent Arena ×1GPQA Diamond ×1AIME (math) ×1FrontierMath ×1SimpleQA Verified ×1ARC-AGI-2 ×1Humanity's Last Exam ×1SimpleBench ×1LiveBench ×1BFCL v4 (function calling) ×1dormantSWE-bench Verified (live board) ×1Terminal-Bench 4.0 ×1MMLU-Pro (Artificial Analysis) ×1LiveCodeBench (Artificial Analysis) ×1IFBench (Artificial Analysis) ×1HHEM Hallucination (Vectara) ×11 of 1034 models
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262gpt-5.2-pro-2025-12-11OpenAIDec 2025$21 / $16855.5 63.6Ranked 55.5 = (2 × 63.6 + 3 × 50) ÷ 5. 63.6 is the mean percentile over the 2 of 22 selected axes this model is measured on; fewer axes means a stronger pull toward 50.—12/22low#172–262———————————63—64————————

Blend is coverage-shrunk; the raw composite is shown greyed beside it · A low badge means fewer than 3 boards scored this model

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