Is Deepseek v4 Pro good at Structured Output?
Deepseek v4 Pro ranks #23 of 113 for Structured Output — excellent. The top pick for this task is GPT-5.4 Mini (max reasoning).
Best result with high reasoning effort.
Deepseek v4 Pro on each Structured Output sub-task
| Missing & Ambiguous Data | 100.0/100 | #6 |
| Schema Adherence | 100.0/100 | #2 |
| Transformation | 97.1/100 | #37 |
| Extraction | 95.7/100 | #23 |
| Noisy Structured Output Test | 94.4/100 | #30 |
Real examples, graded
WinNormalize dates 100/100
“The model perfectly followed all instructions, accurately normalizing the dates to ISO format, correctly interpreting the US locale date, and returning strict JSON without any wrapper text.”
WinInvoice line items 100/100
“The model perfectly extracted all the requested information into a clean, well-structured JSON format. All values are accurate and grounded in the input text, and there is no wrapper text.”
WinMissing field nulls 100/100
“The model perfectly extracted the data according to the schema, correctly used null for missing values, and provided the output as a raw JSON array without any wrapper text.”
Frequently asked
Is Deepseek v4 Pro good at Structured Output?
Deepseek v4 Pro ranks #23 of 113 models we tested for Structured Output, scoring excellent.
What is Deepseek v4 Pro's strongest Structured Output skill?
Its best sub-task here is Missing & Ambiguous Data.
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Prompt × model results
12 test cases · 3 evals