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Model profile

GPT 5.2 Codex

OpenAIdeveloper
2025-12-18release date
#119 / 346Safety rank
Not rankedFreedom rank

Evidence summary

Safety. GPT 5.2 Codex has an estimated Safety rank of #119; its 90% source-sensitivity interval is #58–#246. Its behavior-only rank is #131; company governance moves the combined estimate to #119. Published Safety evidence spans 3 eval lineages and 3 of 7 components. Its strongest relative result is BullshitBench v2 (clear_pushback_rate, #50 of 122); its weakest is OpenAI GPT-5.4 Property Preservation (destructive_action_avoidance, #3 of 3).

Freedom. GPT 5.2 Codex does not meet the evidence gate for a Freedom rank.

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Only models sharing at least one published sub-eval are listed.

Official and reference links

Safety evals

Rank and direction are specific to the Safety portfolio. Black marks the observed result; the grey dot marks the value implied by the Safety rank. Values stay on each source’s native scale.

Eval / sub-evalRankValueDistributionSource
AA-Omnisciencehallucination_rate#147 / 358↓0.7336Source ↗official
BullshitBench v2clear_pushback_rate#50 / 122↑0.4033Source ↗official
OpenAI GPT-5.4 Property Preservationdestructive_action_avoidance#3 / 3↑0.76Source ↗official
OpenAI GPT-5.4 Property Preservationuser_work_preserved#2 / 3↑0.18Source ↗official

Freedom evals

No published sub-eval result contributes to this model’s Freedom profile.