Grok 4.5 Programming Benchmark Comparison
jasonkneen · x · 2026-07-11
A programming comparison was reposted: using the same prompt, the results from running Grok 4.5 via the Grok CLI harness were "quite good" and more cost-effective.
The quoted content explains that the test task was to build a three.js procedural terrain generator, comparing GPT-5.6 Sol Ultra, Claude Fable 5, and results using the Codex / Claude Code harness. The author also emphasized that no agent skills were invoked, and the prompt can be viewed in the original post.
Related event: Frontier Models Compete on Visual Coding Tasks(4 posts)→
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