# Structured Output Benchmark Value Accuracy (SOB Value Acc)

> A structured-output benchmark from Interfaze measuring whether extracted JSON leaf values exactly match verified ground truth.

Canonical page: https://benchlm.ai/benchmarks/sobvalueacc

- Category: [Instruction Following](/instruction-following)
- Last updated: September 27, 2026

## About SOB Value Acc

- Year: 2026
- Tasks: Structured output extraction
- Format: Value accuracy
- Difficulty: Production structured-output reliability
- Paper: [Structured Output Benchmark Leaderboard](https://interfaze.ai/leaderboards/structured-output-benchmark)

SOB Value Accuracy goes beyond JSON parse success: it measures whether values in the structured response are correct and grounded in the source context across text, image, and audio-normalized inputs.

SOB Value Acc is currently displayed on BenchLM for reference, but it is excluded from the weighted scoring formula.

## Leaderboard (1 models)

| Rank | Model | Creator | Score |
|------|-------|---------|-------|
| 1 | [Interfaze Beta](/models/interfaze-beta) | Interfaze | 79.5% |

## FAQ

### What does SOB Value Acc measure?

A structured-output benchmark from Interfaze measuring whether extracted JSON leaf values exactly match verified ground truth.

### Which model scores highest on SOB Value Acc?

Interfaze Beta by Interfaze currently leads with a score of 79.5% on SOB Value Acc.

### How many models are evaluated on SOB Value Acc?

1 AI models have been evaluated on SOB Value Acc on BenchLM.

### Does SOB Value Acc affect BenchLM's overall score?

Not directly. SOB Value Acc is still displayed on BenchLM for reference, but it is excluded from the weighted scoring formula.