GLM-5.2 vs Claude Opus: A Head-to-Head Test Building a 3D WebGL Game
By
James Daniel Whitford
Summary
A comparison between the new open model GLM-5.2 and Claude Opus 4.8, testing them head-to-head on building a 3D platformer in raw WebGL. While GLM-5.2 shows impressive progress for open models, Claude Opus performed better in the test—faster, cleaner code, and with visual output checking capabilities that GLM-5.2 lacks. The article cuts through the hype to provide a grounded assessment.
Source
Hacker NewsGLM-5.2 vs Claude Opus: A Head-to-Head Test Building a 3D WebGL Gametechstackups.comKey quotes
· 3 pulledWe're not switching our main off Opus.
In our test Opus was faster and shipped a cleaner, more correct game, and it can check its own visual output, which the text-only GLM-5.2 can't.
But GLM-5.2 earns a permanent spot in
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