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Rule-based extraction
What this board tests: structured fields pulled from a page via css/xpath rules. Every provider below ran the identical corpus on 2026-06-22. The composite blends measured quality, latency p50, cost per successful call and error rate. Method and corpora: how we measure.
| Rank | Provider | Composite | Field accuracy | Cost | Latency p50 | Field note |
|---|---|---|---|---|---|---|
| 1 | 9.23/10 | 1.00 | $0.00098 / useful | 2.7 s | Top-ranked rule-based extractor, at a fraction of AI-extract cost. | |
| 2 | 8.52/10 | 1.00 | $0.0012 / useful | 9.6 s | ||
| 3 | 5.51/10 | 0.50 | $0.0028 / useful | 4.5 s | Every *.toscrape.com domain is blocklisted — an openly stated gap. |
Low scores are published alongside high ones — a ranking you can only trust if nothing gets hidden. The gateway's fee sits on top-ups, not per call, so the order above earns us nothing either way.