Frontend developer @vista8 (向阳乔木) posted his field-test assessment on X: GLM 5.2 produces visibly better frontend webpages than the current GPT version; even a very good Skill cannot rescue GPT's "poor" frontend output in Codex. The post received 30 reposts, 131 likes, approximately 72,000 views, and included a 0:40 comparison video.
June 15, 2026: Zhipu ZCode (a Codex-like client) allowed users to register and log in with a Google account to use GLM 5.2 for free; it supported Windows and Mac (both Intel and M-series), while Linux access was available through a beta-testing group—receiving 35 reposts and 50,000 views.
July 21, 2026: The author's daily primary tool was Codex, but he considered its frontend aesthetics poor; he discovered that the OpenCodex project allowed Codex to switch between non-OpenAI models at any time (Kimi K3 / Grok 4.5 / GLM 5.2, among others), and described a multi-model division of labor: "K3 for frontend design, then switch to GPT sol5.6 for the backend, and even switch to Grok 4.5 at any time to search X for information"—receiving 48 reposts, 486 likes, and 79,000 views.
The article in this directory, "03-X-Arena-Frontend-CodeArena-AgentArena-Rankings": GLM-5.2 (Max) ranked second in Code Arena: Frontend, ahead of Opus 4.8 and the strongest open-source model—consistent with the direction of @vista8's experience (although Arena uses community votes, while @vista8 offers a personal opinion, making the two independent).
What the conclusion covers: GLM 5.2 has a clear advantage over the current GPT version (in the author's context, the GPT model built into Codex) on tasks such as "generating frontend webpages/single-page applications"; the author repeatedly emphasized that GPT's frontend aesthetic problem was a model-level difference that "even a Skill could not rescue."
Environment: The author did not disclose the specific tier (presumably the free ZCode quota / Coding Plan channel); the video comparison was not checked frame by frame, and the textual conclusion is the author's subjective judgment.
Scope: This is the experience of a single user, not a controlled A/B test; "GPT's frontend is poor" is the author's personal assessment and may be related to the Skill/workflow he used. GLM-5.2's frontend strength is in single-file/single-page generation scenarios (see the same-task example in the Arena article); complex multi-page engineering scenarios require separate validation.
"Compared with the frontend webpages generated by GLM 5.2, the current version of GPT is garbage. Even with the currentl… This is a necessary excerpt; read the original source for full context.
"This is why everyone is unwilling to use GPT for frontend design: it's too bad."
(July 21, 2026, multi-model division of labor) "K3 for frontend design, then switch to GPT sol5.6 for the backend, and e… This is a necessary excerpt; read the original source for full context.
GLM-5.2