Rewrite a legalese policy in plain language without losing or inventing rules

Rewrite a company policy in plain language for employees, reaching a Flesch reading-ease score of at least 60 in 180-350 words. Every rule and number must survive, nothing new may be added, and the worked example can only use numbers from the policy. Original benchmark task written for usecaserank.com (not based on a specific public post). Headless, offline run on a reproducible fixture. Each run's notes say how its cost was measured (estimates are marked).

Success criteria: 1. Flesch Reading Ease >= 60 (scorer's own heuristic syllable count). 2. 180–350 words. 3. All 14 key rules/facts from the policy present (attendance threshold, reimbursement cap and period, extra chair allowance with medical note, claim deadline, itemised receipt, ownership threshold, return deadline, excluded categories internet/utilities/decor, approval time, payroll timing). 4. No new numbers: every number must appear in the source policy (integers 0–3 allowed). 5. No legalese words (notwithstanding, herein, pursuant, shall, aforementioned, enumerated). 6. Second person: 'you/your' used at least 5 times. 7. Contains a 'Quick example' section.

Best model for this task so far: DeepSeek V4.1 Flash (Venice) (thinking on) (success, $0.0045, 26s).

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All runs (5)

100% pass rate across 5 eligible runs: 5 pass, 0 partial, 0 fail. Partial and failed runs are listed below with everything else.ⓘ