Expired75% confidenceFactTime unknown
Even though Theo explicitly requested that skill files not be used, Codex's system priority still forced the frontend design skill to be invoked, meaning GPT 5.2's bare run results may have already been enhanced by the skill file.
1
Sources
75%
Confidence
Medium-term (~90 days)
Relevance
6/1/2026
First Seen
Valid until: 8/30/2026(expired)
Sources
AI前端设计实测:Opus 4.5靠一个Markdown技能文件逆袭登顶
bilibili一摩尔炸鸡翅
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UnverifiedGPT-5.6 has resolved the longstanding issues of unstable Skills compliance and selective omission of execution steps seen in previous models74% similarUnverifiedGPT 5.6 is more accurate than GPT 5.5 at selecting appropriate Skills when invoking them, especially when dozens of Skills are configured.74% similarUnverifiedTheo ran six Agents simultaneously for testing: two Gemini, two Claude Code (Opus 4.5), and two GPT 5.2 (Codex), testing the effect with and without a frontend design skills file respectively.73% similarUnverifiedCodex has a Skill system, similar to VS Code plugins or ChatGPT's GPTs, where each Skill encapsulates a specific set of functionalities.70% similarUnverifiedGPT-5.4 fully inherits the programming capabilities of GPT-5.3-Codex, so users no longer need to switch between reasoning models and coding models.68% similar
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