Is deepseek-v4-pro-medium good at Coding?
deepseek-v4-pro-medium ranks #36 of 109 for Coding — strong. The top pick for this task is gpt-5.5-high.
deepseek-v4-pro-medium on each Coding sub-task
| Refactoring | 100.0/100 | #1 |
| Secure Implementation | 100.0/100 | #1 |
| Bug Fixing | 99.8/100 | #10 |
| Code Review & Security | 83.5/100 | #69 |
| Code Quality and Testing Test | 76.4/100 | #89 |
| API and Data Code Test | 60.4/100 | #81 |
| Code Review and Risk Test | 44.0/100 | #100 |
Real examples, graded
WinOff-by-one in a slice helper 100/100
“The model perfectly diagnoses the root cause of the bug and provides a highly robust fix. It correctly anticipates the edge case where `n=0` would cause `items[-n:]` to return the entire list, and handles it elegantly without changing the public API.”
WinFix off-by-one Python bug 100/100
“The model correctly implements the list slicing function, explains the off-by-one error clearly, provides unit tests that cover standard and edge cases, and maintains the public API without introducing any unnecessary complexity or security issues.”
WinJavaScript debounce implementation 100/100
“The implementation is perfectly correct, minimal, and secure. It correctly uses closures to maintain the timeout state, preserves the calling context and arguments, and provides a functional `cancel` method. The explanation is clear and accurate.”
Frequently asked
Is deepseek-v4-pro-medium good at Coding?
deepseek-v4-pro-medium ranks #36 of 109 models we tested for Coding, scoring strong.
What is deepseek-v4-pro-medium's strongest Coding skill?
Its best sub-task here is Refactoring.
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Prompt × model results
12 test cases · 3 evals