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Cross-task capability coverage across selected products
Each product is scored independently per task edge; switch tasks below while keeping shared products selected| Task edge | languagetool.org | prowritingaid.com | Switch / compare |
|---|---|---|---|
| AI paraphrasing & rewriting | 88/100 TXT · Output attached | 86/100 JSON · Output attached | Active task |
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Browse this task →| Criterion | LanguageTool AI paraphrasing & rewriting 88/100 Seven-aspect task score LanguageTool demonstrated exceptional academic precision in AI text paraphrasing: it restructured the complete benchmark anchor within 4.1 seconds, achieving 67.0% lexical diversity while preserving 100% of crucial numerical figures ($1,250,000, 84.2%) and the verification token without hallucination or truncation. Offering 3 free daily rewrites anonymously under strict EU GDPR data protection without model training, it stands out as a highly reliable tool balancing readability and factual integrity. Tested export TXT · Output attached Historical test · 2026-11-02 | ProWritingAid AI paraphrasing & rewriting 86/100 Seven-aspect task score ProWritingAid, a renowned writing companion in professional publishing and fiction writing, delivers robust sentence restructuring and flawless factual fidelity via its Rephrase feature. Against our 80-word benchmark sample, the cloud API responded in 1.45 seconds with 3 candidate rewrites across 8 nuanced tones, preserving 100% of critical numbers ($1,250,000) and verification token REALTEST-PARAPHRASE-VERIFIED-2026. Offering an anonymous daily quota of 10 rephrases without intrusive ads, it demonstrates commendable engineering discipline. Tested export JSON · Output attached Historical test · 2026-11-03 |
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| Pricing & rules | ||
| Pricing plans | LanguageTool Basic and Premium individual multi-period subscription pricing structure · 2026-10-31 Plan · source date Monthly / one-time Annual bill / period Quota & limits Basic2026-10-31 ↗ USD 0/month — Monthly Up to 2,000 characters per check, 3 sentence rephrasings per day, basic grammar and spell check Basic grammar check, punctuation check, personal dictionary Monthly2026-10-31 ↗ USD 24.9/month — Monthly Up to 150,000 characters per text field, unlimited AI sentence paraphrasing, advanced style rules In-depth grammar & punctuation, style improvements, AI paraphrasing, style guide Quarterly2026-10-31 ↗ USD 49.9/3 months Other period Other period Billed quarterly at $49.90 ($16.63/mo equivalent), 150k chars per field and unlimited AI paraphrasing In-depth grammar & punctuation, style improvements, AI paraphrasing, style guide Annual2026-10-31 ↗ — USD 69.9/year Annual Billed annually at $69.90 ($5.83/mo equivalent), 150k chars per field and unlimited AI paraphrasing In-depth grammar & punctuation, style improvements, AI paraphrasing, style guide 4 plan / billing-period records, all listed; — means that period is not recorded. Explicitly details actual invoice amounts: $24.90/month, $49.90/quarter, $69.90/year, and $119.80 for 2 years; Basic tier is permanently free with 2k chars and 3 daily AI rewrites. Cancellation, sources & verification recordCancellation and refund terms unverified LanguageTool Premium Official Pricing Page ↗ · 2026-10-31 Capture 1 ↗ | ProWritingAid Free, Premium, and Premium Pro recurring subscriptions and lifetime plans · 2026-10-31 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free2026-10-31 ↗ Free Free Free 10 rephrases/day, 2 report runs/day (up to 500 words), basic grammar and spelling check Basic style analysis and grammar rephrasing Premium (Monthly)2026-10-31 ↗ USD 30/month — Monthly Unlimited rephrases, unlimited 25+ manuscript reports, 1 chapter critique/day, custom style guide Professional fiction style analysis and manuscript editing Premium (Annual)2026-10-31 ↗ — USD 120/year Annual Billed annually at $120.00 ($10.00/mo equivalent), unlimited rephrases and manuscript reports Professional fiction style analysis and manuscript editing Premium (Lifetime)2026-10-31 ↗ USD 399 · one-time payment Usage / one-time Usage / one-time One-time lifetime payment of $399.00 for permanent access to all Premium features Lifetime unlimited style analysis and editing Premium Pro (Monthly)2026-10-31 ↗ USD 36/month — Monthly All Premium features plus 30 chapter critiques/day, author community access, and live workshops Advanced fiction critique and master workshops Premium Pro (Annual)2026-10-31 ↗ — USD 144/year Annual Billed annually at $144.00 ($12.00/mo equivalent), 30 chapter critiques/day, community access Advanced fiction critique and master workshops Premium Pro (Lifetime)2026-10-31 ↗ USD 699 · one-time payment Usage / one-time Usage / one-time One-time lifetime payment of $699.00 for permanent access to all Premium Pro features Lifetime advanced critique and community access 7 plan / billing-period records, all listed; — means that period is not recorded. Verified pricing tabs clearly specify monthly rates ($30/mo, $36/mo), exact upfront annual totals ($120/yr at $10/mo equiv, $144/yr at $12/mo equiv), and lifetime single charges ($399, $699); Free tier includes 10 rephrases/day and 2 report runs/day. Cancellation, sources & verification recordCancellation and refund terms unverified ProWritingAid Official Pricing Cards (Annual) ↗ · 2026-10-31 Capture 1 ↗ ProWritingAid Official Pricing Cards (Monthly) ↗ · 2026-10-31 Capture 1 ↗ ProWritingAid Official Pricing Cards (Lifetime) ↗ · 2026-10-31 Capture 1 ↗ |
| Free & trial allowance on the test date | 3 free AI paraphrasing queries per day without login, up to 1,250 characters per query | Not verified |
| Cancellation & refunds | Not verified | Not verified |
| Disclosure of costs & limits | Not verified | Not verified |
| Task quality | ||
| Measured fixture results | Fact retention: 100% · Lexical diversity: 67% · Semantic similarity: 63.3% · Readability score: 100/100 | Fact retention: 100% · Lexical diversity: 12.5% · Semantic similarity: 92.9% · Readability score: 100/100 |
| Fixture findings | In the anchor_paraphrase_v1 benchmark, LanguageTool substantively restructured all 5 sentences with 67.0% lexical diversity and a perfect 100 readability score, flawlessly preserving 100% of facts and verification markers. | Solid benchmark performance: 100% fact and verification token retention, 92.9% semantic similarity, 8 tone options, and rapid 1.45s turnaround. |
| Original historical observation | Submitted anchor_paraphrase_v1/input.txt; LanguageTool neural rephraser completed sentence restructuring in ~4.1s with 67.0% lexical diversity and 100% fact retention. | Not verified |
| Suitable uses · historical assessment | Not verified | Not verified |
| Result & output evidence | ||
| Delivery capabilities | ||
| Recorded export specifications | TXT · Output attached · Check watermark record | JSON · Output attached · Check watermark record |
| Historical specification note · not an official maximum | Not verified | Sentence-level 3 rephrase candidates + 8 tone mode options |
| Watermark observation | Not verified | Not verified |
| Batch & API | Not verified | Not verified |
| Recorded free-tier dimensions | Not verified | Not verified |
| Attached file dimensions | Not verified | Not verified |
| Speed & reliability | ||
| Timing observation | Network-observed server wait: 4.1s · End-to-end reference: 4.1s | Network-observed server wait: 1.45s · End-to-end reference: 1.45s |
| Date & fixture | 2026-11-02 · anchor_paraphrase_v1 · US-West (California, AS2914) | 2026-11-03 · anchor_paraphrase_v1 · US-West (California, AS2914) |
| Repeated tests & reliability | No standardized repetition count, success rate or variability range is recorded. | No standardized repetition count, success rate or variability range is recorded. |
| Interaction experience | ||
| Account requirements | Not verified | Not verified |
| Sign-in methods | Completely anonymous usage supported; optional Google, Apple, and email login | Not verified |
| Manual adjustment | Not verified | Not verified |
| Interaction observations | Not verified | Not verified |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | LanguageTooler GmbH | Orpheus Technology Ltd |
| Recorded origin | Not verified | Not verified |
| Domain history record | Not verified | Not verified |
| Background & reputation assessment | Not verified | Not verified |
| External reputation record | Not verified | Not verified |
| Engineering & privacy | ||
| Processing location | Uploaded for cloud processing | Processing location unconfirmed |
| Third-party tracking record | Stripe · Cloudflare | Stripe · Google Analytics · Datadog |
| Engineering & privacy assessment | Not verified | Not verified |
| Retention statement | Explicit retention period unconfirmed; inspect policy record | Explicit retention period unconfirmed; inspect policy record |
| Evaluation basis | ||
| Pricing transparency | ||
| Interaction restraint | ||
| Background & reputation | ||
| Engineering & privacy | ||
| Task quality | 51 / 65 Fact Retention: 100% · Lexical Diversity: 67% · Semantic Similarity: 63.3% · Readability Score: 100/100 | 46.1 / 65 Fact Retention: 100% · Lexical Diversity: 12.5% · Semantic Similarity: 92.9% · Readability Score: 100/100 |
| Deliverable specifications | 20 / 20 Clean unwatermarked export (8/8); Export spec: Sentence-level 3 rephrase candidates + 8 tone mode options | |
| Processing speed | 14 / 15 Network-observed server wait: 4.1s (API mode: sync_json_verified; network upload 0.1s / end-to-end 4.1s shown for reference only, never penalized) | 15 / 15 Network-observed server wait: 1.45s (API mode: sync_json_verified; network upload 0s / end-to-end 1.45s shown for reference only, never penalized) |
