Is Grok 4.20 Beta good at Structured Output?
Grok 4.20 Beta ranks #18 of 43 for Structured Output — strong. The top pick for this task is qwen3.7-max-low.
Grok 4.20 Beta on each Structured Output sub-task
| Missing & Ambiguous Data | 100.0/100 | #15 |
| Schema Adherence | 96.3/100 | #18 |
| Transformation | 94.3/100 | #17 |
| Extraction | 81.9/100 | #26 |
| Noisy Structured Output Test | 81.6/100 | #29 |
Real examples, graded
WeakExtract contact fields 60/100
“The model accurately and faithfully extracted all the required fields from the input text. However, it wrapped the output in markdown fences, which violates the strict JSON requirement and causes the raw response to fail direct JSON parsing.”
Frequently asked
Is Grok 4.20 Beta good at Structured Output?
Grok 4.20 Beta ranks #18 of 43 models we tested for Structured Output, scoring strong.
What is Grok 4.20 Beta'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