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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 | grammarly.com | hemingwayapp.com | Switch / compare |
|---|---|---|---|
| AI paraphrasing & rewriting | 92/100 TXT · Output attached | 65/100 TXT · Output attached | Active task |
| AI content detection | 96/100 JSON · Output attached | Not tested in topic | Compare in task topic → |
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Browse this task →| Criterion | Grammarly AI paraphrasing & rewriting 92/100 Seven-aspect task score Grammarly delivered an outstanding performance in the 82-word English academic rewriting benchmark, restructuring syntax in 1.5 seconds. It achieved 85.2% lexical diversity while retaining 100% of all 7 crucial facts (including the $1,250,000 figure, 84.2% ratio, and verification token) with zero login requirements, no truncation, and no watermarks. Tested export TXT · Output attached Historical test · 2026-11-05 | 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 | Grammarly Free and Pro subscription pricing structure · 2026-10-31 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free2026-10-31 ↗ USD 0/month — Monthly Basic spelling and grammar correction, tone detection, 100 AI prompts/month Basic grammar and spell check, tone detection Pro2026-10-31 ↗ USD 12/month — Monthly One-click sentence rewriting, tone adjustments, unlimited personalized suggestions, plagiarism & AI detection, 2,000 AI prompts/mo Full sentence rewriting, tone adjustments, plagiarism check, AI content detection 2 plan / billing-period records, all listed; — means that period is not recorded. Free tier is permanently free; Pro tier is $12/month with a 7-day free trial and email reminder sent 2 days prior to billing. Cancellation, sources & verification recordCancellation and refund terms unverified Grammarly Plans 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 | Up to 125 words per submission without sign-up | Free guest usage for basic paraphrasing; unlimited usage requires Hemingway Editor Plus |
| Cancellation & refunds | Not verified | Not verified |
| Disclosure of costs & limits | Clicking Paraphrase immediately displays the rewritten comparison on the right | Not verified |
| Task quality | ||
| Measured fixture results | Fact retention: 100% · Lexical diversity: 85.2% · Semantic similarity: 61.1% · Readability score: 100/100 | Fact retention: 0% · Lexical diversity: 98.9% · Semantic similarity: 12% · Readability score: 55/100 |
| Fixture findings | High 85.2% lexical diversity with 100% retention of all 7 financial and factual entities, responding in 1.5 seconds. | Lexical variety is high and fluent, but output truncation mid-sentence prevented full factual preservation. |
| Original historical observation | Grammarly cloud rewrote 82-word text deeply in 1.5s, retaining all 7 facts with professional layout (02_result.png, 03_download.png). | 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 | Users needing rapid syntactic restructuring of academic and business texts while strictly preserving factual accuracy | Not verified |
| Result & output evidence | ||
| Delivery capabilities | ||
| Recorded export specifications | TXT · Output attached · No watermark in test | TXT · Output attached · Check watermark record |
| Historical specification note · not an official maximum | 96-word rewritten prose with instant Copy text (768 bytes · zero truncation) | Free tier output truncated around 17 words (cut off mid-sentence) |
| Watermark observation | No watermark | Not verified |
| Batch & API | Single-passage interactive rewriting with one-click copy, document upload supported | Not verified |
| Recorded free-tier dimensions | 768 | Not verified |
| Attached file dimensions | Not verified | Not verified |
| Speed & reliability | ||
| Timing observation | Network-observed server wait: 1.5s · End-to-end reference: 1.6s | Network-observed server wait: 1.31s · End-to-end reference: 1.31s |
| Date & fixture | 2026-11-05 · anchor_paraphrase_v1 · US-West (California, AS16509) | 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 | No login in this test | Not verified |
| Sign-in methods | Direct use with zero login or sign-up | 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 | Grammarly, Inc. | 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 | No third-party services listed in this record; this is not proof that none exist. | 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 | 54.3 / 65 Fact Retention: 100% · Lexical Diversity: 85.2% · Semantic Similarity: 61.1% · Readability Score: 100/100 | 22 / 65 Fact Retention: 0% · Lexical Diversity: 98.9% · Semantic Similarity: 12% · Readability Score: 55/100 |
| Deliverable specifications | 20 / 20 Clean unwatermarked export (8/8); Export spec: 96-word rewritten prose with instant Copy text (768 bytes · zero truncation) | 16 / 20 Clean unwatermarked export (8/8); Export spec: Free tier output truncated around 17 words (cut off mid-sentence) |
| Processing speed | 15 / 15 Network-observed server wait: 1.5s (API mode: sync; network upload 0.1s / end-to-end 1.6s 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) |
