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Test scope & comparison notes
These are recorded facts, not a unified ranking. Tested tiers and scope are not consistently recorded. Read pricing with its date and timing with its conditions. Privacy observations reflect visible flows and statements, not a security audit.
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 | hemingwayapp.com | Switch / compare |
|---|---|---|---|
| AI paraphrasing & rewriting | 88/100 TXT · Output attached | 65/100 TXT · 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 | Hemingway Editor AI paraphrasing & rewriting 65/100 Seven-aspect task score Hemingway Editor (Boondoggle Studio, LLC) is famed for color-coded readability grading and offers a free online AI paraphraser. In testing, its cloud API is fast (1.31s server wait) and produces fluent phrasing with one-click copying; however, the free tool imposes strict output truncation (cutting off mid-sentence at word 17), dropping key data points and tokens, positioning it primarily as a short-sentence teaser for Hemingway Editor Plus. Tested export TXT · Output attached Historical test · 2026-11-01 |
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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 ↗ | Hemingway Editor free web editor and Plus subscription pricing tiers · 2026-10-31 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free Web Editor2026-10-31 ↗ Free Free Free Unlimited readability grade level scoring, multi-color highlighting for wordy sentences, passive voice, and adverbs without login Basic readability scoring and syntactic highlighting Individual 5K (Monthly)2026-10-31 ↗ USD 25/month — Monthly 5,000 AI sentence rewrites/month, unlimited advanced grammar fixes, tone & style adjustments, file import/export AI sentence rewriting and advanced grammar editing Individual 5K (Annual)2026-10-31 ↗ — USD 100/year Annual Billed annually at $100.00 ($8.33/mo equivalent), 5,000 AI sentence rewrites/month, unlimited grammar fixes AI sentence rewriting and advanced grammar editing Individual 10K (Monthly)2026-10-31 ↗ USD 30/month — Monthly 10,000 AI sentence rewrites/month, unlimited advanced grammar fixes, document review & feedback High volume AI sentence rewriting and grammar editing Individual 10K (Annual)2026-10-31 ↗ — USD 150/year Annual Billed annually at $150.00 ($12.50/mo equivalent), 10,000 AI sentence rewrites/month High volume AI sentence rewriting and grammar editing 5 plan / billing-period records, all listed; — means that period is not recorded. Web readability editor is 100% free with no sign-up; Plus features include a 2-week trial without credit card; monthly rates are Individual 5K $25/mo, Individual 10K $30/mo; annual plans explicitly invoice $100/yr ($8.33/mo equiv) and $150/yr ($12.50/mo equiv). Cancellation, sources & verification recordCancellation and refund terms unverified Hemingway Editor Plus Pricing Table (Annual) ↗ · 2026-10-31 Capture 1 ↗ Hemingway Editor Plus Pricing Table (Monthly) ↗ · 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 | Free guest usage for basic paraphrasing; unlimited usage requires Hemingway Editor Plus |
| 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: 0% · Lexical diversity: 98.9% · Semantic similarity: 12% · Readability score: 55/100 |
| 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. | Lexical variety is high and fluent, but output truncation mid-sentence prevented full factual preservation. |
| 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. | Input standard 82-word benchmark text; clicking 'Paraphrase my text' returned result in 1.31s; output was truncated at word 17 ('while enh') without retaining verification token; copyable. |
| Suitable uses · historical assessment | Not verified | Not verified |
| Result & output evidence | ||
| Delivery capabilities | ||
| Recorded export specifications | TXT · Output attached · Check watermark record | TXT · Output attached · Check watermark record |
| Historical specification note · not an official maximum | Not verified | Free tier output truncated around 17 words (cut off mid-sentence) |
| 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: 1.31s · End-to-end reference: 1.31s |
| Date & fixture | 2026-11-02 · anchor_paraphrase_v1 · US-West (California, AS2914) | 2026-11-01 · 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 | Web tool requires zero login; Plus supports Google OAuth or email |
| Manual adjustment | Not verified | Not verified |
| Interaction observations | Not verified | Not verified |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | LanguageTooler GmbH | Boondoggle Studio, LLC |
| 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 | Uploaded for cloud processing |
| Third-party tracking record | Stripe · Cloudflare | Google Analytics · Stripe · Cloudflare Turnstile |
| 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 | 22 / 65 Fact Retention: 0% · Lexical Diversity: 98.9% · Semantic Similarity: 12% · Readability Score: 55/100 |
| Deliverable specifications | 16 / 20 Clean unwatermarked export (8/8); Export spec: Free tier output truncated around 17 words (cut off mid-sentence) | |
| 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: 1.31s (API mode: sync_json_verified; network upload 0s / end-to-end 1.31s shown for reference only, never penalized) |
