Is grok-4.20-medium good at Coding?
grok-4.20-medium ranks #33 of 52 for Coding — usable. The top pick for this task is claude-opus-4.8-medium.
grok-4.20-medium on each Coding sub-task
| Code Review & Security | 97.0/100 | #37 |
| Secure Implementation | 84.8/100 | #28 |
| Code Quality and Testing Test | 79.4/100 | #32 |
| Refactoring | 76.3/100 | #39 |
| API and Data Code Test | 65.4/100 | #26 |
Real examples, graded
WinTypeScript type narrowing 100/100
“The model provides a flawless, production-ready solution. It correctly uses idiomatic TypeScript discriminated union narrowing to handle the null and bank cases without using `any`. The explanation is concise, accurate, and directly addresses the prompt's requirements.”
Frequently asked
Is grok-4.20-medium good at Coding?
grok-4.20-medium ranks #33 of 52 models we tested for Coding, scoring usable.
What is grok-4.20-medium's strongest Coding skill?
Its best sub-task here is Code Review & Security.
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Prompt × model results
12 test cases · 3 evals