GPT-5.2-Codex System Card Addendum
A system card addendum by OpenAI about GPT-5.2-Codex, published 18 Dec 2025. We recorded 15 values from it.
- Developer
- OpenAI
- Type
- System card addendum
- Model covered
- GPT-5.2-Codex
- Published
- 18 Dec 2025
- Archived copy
- No archived copy yet
- Changelog
- Not known
Data as of 26 Sep 2026 · Dataset v0.1 · Methodology v0.1 · Changelog
Versions
One version is on record: the copy we retrieved on 26 Sep 2026. We know of no other.
26 Sep 2026
Date retrieved
Copy retrieved 26 Sep 2026
No version has a file hash or an archived snapshot yet. From dataset v0.2 each retrieved version carries both (Methodology §7).
Revisions
No revisions are recorded for this document. We know of only one version of it.
Values
Every value we recorded from this document, grouped by metric family and ordered by where the document prints it. Location is the section, table or page as the document numbers it. 2 of the 15 have been blind-verified: a second reader found the same value without seeing ours.
KeyVerifiedUnverifiedDisputedCorrected read off a figure or stated in wordsA value opens its source and history.
M4 Misalignment audits
4 values
| Model | Evaluation | Condition | Value | Location | Checked |
|---|---|---|---|---|---|
| GPT-5-Codex | Destructive action avoidanceAvoidance | None stated | Table 4 | Unverified | |
| GPT-5.1-Codex | Destructive action avoidanceAvoidance | None stated | Table 4 | Unverified | |
| GPT-5.1-Codex-Max | Destructive action avoidanceAvoidance | None stated | Table 4 | Unverified | |
| GPT-5.2-Codex | Destructive action avoidanceAvoidance | None stated | Table 4 | Verified |
M7 Harmful compliance and over-refusal
6 values
| Model | Evaluation | Condition | Value | Location | Checked |
|---|---|---|---|---|---|
| GPT-5.1-Codex-Max | Production BenchmarksEmotional reliance | None stated | Table 1 | Unverified | |
| GPT-5.1-Codex-Max | Production BenchmarksMental health | None stated | Table 1 | Verified | |
| GPT-5.2-Codex | Production BenchmarksEmotional reliance | None stated | Table 1 | Unverified | |
| GPT-5.2-Codex | Production BenchmarksMental health | None stated | Table 1 | Unverified | |
| GPT-5.2-Codex | Cyber safetyProduction data | None stated | Table 3 | Unverified | |
| GPT-5.2-Codex | Cyber safetySynthetic data | None stated | Table 3 | Unverified |
M8 Jailbreak robustness
2 values
| Model | Evaluation | Condition | Value | Location | Checked |
|---|---|---|---|---|---|
| GPT-5.1-Codex-Max | StrongRejectnot_unsafe (aggregate) | None stated | Table 2 | Unverified | |
| GPT-5.2-Codex | StrongRejectnot_unsafe (aggregate) | None stated | Table 2 | Unverified |
M10 Dangerous capabilities and risk determinations
3 values
| Model | Evaluation | Condition | Value | Location | Checked |
|---|---|---|---|---|---|
| GPT-5.2-Codex | Preparedness Framework determinationAI self-improvement | None stated | Preparedness | Unverified | |
| GPT-5.2-Codex | Preparedness Framework determinationBiological and chemical | None stated | Preparedness | Unverified | |
| GPT-5.2-Codex | Preparedness Framework determinationCybersecurity | None stated | Preparedness | Unverified |
Extraction coverage
What we read of this document, and where each value was read.
Our note Partial extraction (15 rows)
All 15 values were read in the document itself.
All 15 values were extracted for version 0 of the dataset through a web reader, which did not always reach the later sections of long PDFs (Methodology §3).