Grok 4.6 Coding Test: Strong Core Logic, Weak Boundary Handling

jquinonero · x · 2026-08-17

The author tested Grok 4.6 within a coding team (via Cursor) against Codex Sol 5.6 and Claude Fable 5. Verdict: Grok excels at core logic, data integrity, and non-obvious architectural decisions, but systematically fails at boundary checks (e.g., missing files, broken contracts, unparsable client JS). Codex and Claude remain more polished and holistic choices for now.

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