Development

GPT-5.2-Codex tops Terminal Bench 2.0 and automates the white-hat

development2025-12-19

Claim

OpenAI released GPT-5.2-Codex, which leads Terminal Bench 2.0 and jumps sharply on professional capture-the-flag cybersecurity challenges.

Reporting date: 2025-12-19 (not necessarily the event date)

Sources

Attribution and reporting linked by this record; links do not imply independent verification.

Welcome to December 19, 2025 (theinnermostloop.substack.com)

Knowledge graphopen in browser →

About

Reported in

Welcome to December 19, 2025

Actor

OpenAI

Evidence for

Autonomy has a clock speed

Referenced by

Welcome to December 19, 2025

Cite or correct this record

Citation formatCitation text

GPT-5.2-Codex tops Terminal Bench 2.0 and automates the white-hat
Innermost Loop KB — secondary record
Reporting date: 2025-12-19
KB permalink: https://nicholsn.github.io/innermost-loop-kb/developments/2025-12-19-gpt52-codex-terminal-bench
Claim: OpenAI released GPT-5.2-Codex, which leads Terminal Bench 2.0 and jumps sharply on professional capture-the-flag cybersecurity challenges.
Attributed sources:
- Welcome to December 19, 2025 — https://theinnermostloop.substack.com/p/welcome-to-december-19-2025
This citation does not imply independent verification of linked-source claims.

Suggest a correction — opens a GitHub draft for you to review and submit.