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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 | zerogpt.com | Switch / compare |
|---|---|---|---|
| AI paraphrasing & rewriting | 88/100 TXT · Output attached | 87/100 TXT · Output attached | Active task |
| AI content detection | Not tested in topic | 96/100 JSON · Output attached | Compare in task topic → |
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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 | ZeroGPT AI paraphrasing & rewriting 87/100 Seven-aspect task score Anonymous instant rewriting up to 300 words per scan, finishing cloud inference in 5.83s with 100% fact/token retention, 80.7% lexical diversity, and multi-color change highlights. Tested export TXT · Output attached Historical test · 2026-11-05 |
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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 ↗ | ZeroGPT Free, Pro, Plus, and Max personal subscription pricing structure · 2026-10-31 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free2026-10-31 ↗ USD 0/month — Monthly 15,000 characters per scan, 1,250,000 words/mo allowance, 300 words one-time plagiarism check Basic AI detection and text analysis PRO (Monthly)2026-10-31 ↗ USD 14.99/month — Monthly 100,000 chars per scan, 50 batch files, 4.5M words/mo, ad-free experience, PDF reports Ad-free AI detection, PDF report export, thinking mode paraphraser & summarizer PLUS (Monthly)2026-10-31 ↗ USD 21.99/month — Monthly 100,000 chars per scan, 60 batch files, 5M words/mo, 35,000 words/mo plagiarism All PRO features, AI video detector, monthly plagiarism allowance MAX (Monthly)2026-10-31 ↗ USD 30.99/month — Monthly 150,000 chars per scan, 75 batch files, 7.5M words/mo, 60,000 words/mo plagiarism All PLUS features, unlimited paraphrase modes, ZeroCHAT-5 access PRO (Annual)2026-10-31 ↗ — USD 107.88/year Annual $107.88 billed annually ($8.99/mo equivalent), all PRO features included PRO tier annual features PLUS (Annual)2026-10-31 ↗ — USD 167.88/year Annual $167.88 billed annually ($13.99/mo equivalent), all PLUS features included PLUS tier annual features MAX (Annual)2026-10-31 ↗ — USD 239.88/year Annual $239.88 billed annually ($19.99/mo equivalent), all MAX features included MAX tier annual features 7 plan / billing-period records, all listed; — means that period is not recorded. Verified monthly rates: Pro $14.99/mo, Plus $21.99/mo, Max $30.99/mo; explicit annual upfront invoice totals: Pro $107.88/yr ($8.99/mo), Plus $167.88/yr ($13.99/mo), Max $239.88/yr ($19.99/mo); Free tier provides 15k chars/scan and 1.25M words/mo. Cancellation, sources & verification recordCancellation and refund terms unverified ZeroGPT Official Pricing Page (Annual View) ↗ · 2026-10-31 Capture 1 ↗ ZeroGPT Official Pricing Page (Monthly View) ↗ · 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 | 300 words per scan free; paid tiers expand to 10k words and unlimited modes |
| Cancellation & refunds | Not verified | Not verified |
| Disclosure of costs & limits | Not verified | Results displayed immediately in workspace with one-click copy |
| Task quality | ||
| Measured fixture results | Fact retention: 100% · Lexical diversity: 67% · Semantic similarity: 63.3% · Readability score: 100/100 | Fact retention: 100% · Lexical diversity: 80.7% · Semantic similarity: 55.3% · 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. | 100% retention across all 7 facts and security token, natural syntax rephrasing, 100% readability score, and fully usable without login. |
| 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 80-word standard paraphrase anchor fixture (anchor_paraphrase_v1/input.txt); ZeroGPT returned 93-word rewritten text in 5.83s, retaining 100% of facts including REALTEST-PARAPHRASE-VERIFIED-2026, $1,250,000, and 84.2% with 80.7% lexical diversity. |
| 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 · No watermark in test |
| Historical specification note · not an official maximum | Not verified | Full 5-paragraph rewritten text + 3-color highlights + statistics card |
| Watermark observation | Not verified | No watermark |
| Batch & API | Not verified | Not verified |
| Recorded free-tier dimensions | Not verified | 0.7 |
| 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: 5.83s · End-to-end reference: 6.49s |
| Date & fixture | 2026-11-02 · anchor_paraphrase_v1 · US-West (California, AS2914) | 2026-11-05 · 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 | No login in this test |
| Sign-in methods | Completely anonymous usage supported; optional Google, Apple, and email login | Anonymous rewriting supported; Google OAuth and email sign-in for accounts |
| Manual adjustment | Not verified | Not verified |
| Interaction observations | Not verified | Direct anonymous rewriting on homepage without popup barriers; presence of banner advertisements around workspace. |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | LanguageTooler GmbH | Olive Works LLC |
| Recorded origin | Not verified | Wyoming, USA |
| Domain history record | Not verified | Operating since January 2023 |
| Background & reputation assessment | Not verified | Operated by Olive Works LLC in Wyoming; massive global traffic, though debated in academia regarding false positive thresholds. |
| External reputation record | Not verified | Globally popular AI text detector and paraphraser widely adopted across students and content creators. |
| Engineering & privacy | ||
| Processing location | Uploaded for cloud processing | Processing location unconfirmed |
| Third-party tracking record | Stripe · Cloudflare | Google Analytics · Cloudflare |
| Engineering & privacy assessment | Not verified | Secured via Cloudflare and TLS 1.3; privacy terms state texts are processed for instant analysis and not repurposed for foundation model training. |
| Retention statement | Explicit retention period unconfirmed; inspect policy record | Explicit retention period unconfirmed; inspect policy record |
| Evaluation basis | ||
| Pricing transparency | 35 / 35 Free tier allows 300 words per scan; paid plans Pro ($14.99/mo or $107.88/yr), Plus ($21.99/mo or $167.88/yr), and Max ($30.99/mo or $239.88/yr) provide 10k words with clear upfront billing. | |
| Interaction restraint | 24 / 30 Direct anonymous rewriting on homepage without popup barriers; presence of banner advertisements around workspace. | |
| Background & reputation | 15 / 20 Operated by Olive Works LLC in Wyoming; massive global traffic, though debated in academia regarding false positive thresholds. | |
| Engineering & privacy | 14 / 15 Secured via Cloudflare and TLS 1.3; privacy terms state texts are processed for instant analysis and not repurposed for foundation model training. | |
| Task quality | 51 / 65 Fact Retention: 100% · Lexical Diversity: 67% · Semantic Similarity: 63.3% · Readability Score: 100/100 | 52.2 / 65 Fact Retention: 100% · Lexical Diversity: 80.7% · Semantic Similarity: 55.3% · Readability Score: 100/100 |
| Deliverable specifications | 20 / 20 Clean unwatermarked export (8/8); Export spec: Full 5-paragraph rewritten text + 3-color highlights + statistics card | |
| 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: 5.83s (API mode: sync_json_verified; network upload 0s / end-to-end 6.49s shown for reference only, never penalized) |
