# Liquid image-to-JSON extraction schema consistency F1 (Liquid Extract F1)

> A display-only Liquid AI extraction metric measuring field-name agreement between requested schema fields and extracted JSON fields.

Canonical page: https://benchlm.ai/benchmarks/liquidextractschemaf1

- Category: [Multimodal & Grounded](/multimodal-grounded)
- Last updated: September 27, 2026

## About Liquid Extract F1

- Year: 2026
- Tasks: Image-to-JSON extraction
- Format: Schema field F1
- Difficulty: Structured visual extraction
- Paper: [LiquidAI LFM2.5-VL Extract model cards](https://huggingface.co/LiquidAI/LFM2.5-VL-1.6B-Extract)

Liquid reports Schema Consistency F1 as a macro-averaged set-level F1 over predicted versus requested field names. BenchLM keeps it separate from general OCR and VQA metrics.

Liquid Extract F1 is currently displayed on BenchLM for reference, but it is excluded from the weighted scoring formula.

## Leaderboard (2 models)

| Rank | Model | Creator | Score |
|------|-------|---------|-------|
| 1 | [LFM2.5-VL-1.6B-Extract](/models/lfm2-5-vl-1-6b-extract) | LiquidAI | 99.6% |
| 2 | [LFM2.5-VL-450M-Extract](/models/lfm2-5-vl-450m-extract) | LiquidAI | 98.8% |

## FAQ

### What does Liquid Extract F1 measure?

A display-only Liquid AI extraction metric measuring field-name agreement between requested schema fields and extracted JSON fields.

### Which model scores highest on Liquid Extract F1?

LFM2.5-VL-1.6B-Extract by LiquidAI currently leads with a score of 99.6% on Liquid Extract F1.

### How many models are evaluated on Liquid Extract F1?

2 AI models have been evaluated on Liquid Extract F1 on BenchLM.

### Does Liquid Extract F1 affect BenchLM's overall score?

Not directly. Liquid Extract F1 is still displayed on BenchLM for reference, but it is excluded from the weighted scoring formula.

## Compare Top Models on Liquid Extract F1

- [LFM2.5-VL-1.6B-Extract vs LFM2.5-VL-450M-Extract](/compare/lfm2-5-vl-1-6b-extract-vs-lfm2-5-vl-450m-extract)