ZeroGPT
Comprehensive AI text detector, plagiarism checker, and text rewriter powered by DeepAnalyse™ technology (2 benchmarked capabilities: AI content detection, AI paraphrasing & rewriting)
Product node overview & trust baseline
Operator provenance, privacy baseline and site-wide pricing belong directly to the product node and are inherited across linked task edgesZeroGPT, operated by Olive Works LLC (Wyoming, United States) under a "Free tier + subscription" model, has 2 published task assessments on RealTest (AI content detection 96/100, AI paraphrasing & rewriting 87/100). In ai content detection, anonymous testing with 15,000 chars per scan, returning 100% AI/GPT probability and sentence-level highlights in 2.11s server wait with structured JSON deliverable. In ai paraphrasing & rewriting, 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.
Wyoming, United States · Launched in January 2023
Provenance baseline: 15/20 · Clear legal operator and privacy disclosures; slightly lower academic transparency than university research lab projects.
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.
Pricing transparency baseline: 35/35 · Cancellation:
Privacy policy states submitted texts are processed for instant analysis and not sold for third-party LLM retraining
Stripe · Google Analytics · Cloudflare
Product-level pricing & rules baseline
Verified plans, billing periods and cancellation terms owned by this product node; task-specific credit costs and free export limits are detailed per capability edge belowZeroGPT Free, Pro, Plus, and Max personal subscription pricing structure · 2026-10-31
Basic AI detection and text analysis
Ad-free AI detection, PDF report export, thinking mode paraphraser & summarizer
All PRO features, AI video detector, monthly plagiarism allowance
All PLUS features, unlimited paraphrase modes, ZeroCHAT-5 access
PRO tier annual features
PLUS tier annual features
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 record
Cancellation 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 ↗
Archived official pricing sources: ZeroGPT Official Pricing Page (Annual View) (2026-10-31) [text snapshot ↗] · ZeroGPT Official Pricing Page (Monthly View) (2026-10-31) [text snapshot ↗]
Capability map & linked task edges
Whenever a capability passes fixed-fixture testing, an edge is automatically linked between this product node and the task topic for horizontal comparison.
| Linked task edge | Score | Assessment · historical test | Test scope & delivery | Inspect capability / follow edge |
|---|---|---|---|---|
| AI paraphrasing & rewriting | 87/100 | 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. | TXT · Output attached Historical test · 2026-11-05 Guest flow · 80-word academic & business text master (with currency, percentage & verification token, 756 B) · Output attached | |
| AI content detection | 96/100 | Anonymous testing with 15,000 chars per scan, returning 100% AI/GPT probability and sentence-level highlights in 2.11s server wait with structured JSON deliverable. | JSON · Output attached Historical test · 2026-11-05 Guest flow · Calibrated AI vs human text benchmark (literature master & LLM prose, 780 B) · Output attached |
Tested task edges (with scores and native artifacts) are strictly separated from discovered untested capabilities (unscored).
Peer product comparison across shared task edges
Matched by overlapping tested task edges; compare site-wide billing models alongside per-task benchmark scoresVerified monthly rates: Starter $12.99/mo, Premium $19.99/mo; annual plan cards show monthly equivalents ($10/mo, $16/mo) without explicit annual invoice total; annual plans kept unverified.
- AI paraphrasing & rewriting:ZeroGPT 87/100 vs Smodin 82/100
- AI content detection:ZeroGPT 96/100 vs Smodin 91/100
Verified monthly rates: Starter $20/mo, Plus $50/mo, Pro $100/mo; annual plans explicitly show invoice totals: Starter $200/yr ($16.67/mo equiv), Plus $500/yr, Pro $1000/yr; Free tier provides 10 humanizations/day and 10 AI scans/day.
- AI paraphrasing & rewriting:ZeroGPT 87/100 vs StealthWriter 87/100
- AI content detection:ZeroGPT 96/100 vs StealthWriter 96/100
Annual plan cards explicitly show the upfront invoice total (e.g. 10K words charged annually $60.00 at $5.00/mo equivalent) alongside monthly original rates ($9.99/mo); free trial is capped at 250 words.
- AI paraphrasing & rewriting:ZeroGPT 87/100 vs Undetectable AI 81/100
- AI content detection:ZeroGPT 96/100 vs Undetectable AI 95/100
Verified monthly rates: Personal $16.99/mo, Pro $99.99/mo; explicit annual upfront invoice totals: Personal $167.88/yr ($13.99/mo), Pro $899.88/yr ($74.99/mo); extra unified credits available for top-up.
- AI content detection:ZeroGPT 96/100 vs Copyleaks 94/100
Linked capability test: AI paraphrasing & rewriting
2026-11-05 · Native output attached. Findings cover the recorded fixture and conditions; paid specifications may be untested.
Verified native export & same-run screenshot evidence
Open native exported file (TXT · Output attached) ↗Task quality
Fact retention 100% · Lexical diversity 80.7% · Semantic similarity 55.3% · Readability score 100/100
Detailed facts & historical record
- Measured fixture results
Fact retention: 100% · Lexical diversity: 80.7% · Semantic similarity: 55.3% · Readability score: 100/100
- Fixture findings
100% retention across all 7 facts and security token, natural syntax rephrasing, 100% readability score, and fully usable without login.
- Original historical observation
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
- Result & output evidence
Delivery capabilities
TXT · Output attached · No watermark in test
Detailed facts & historical record
- Recorded export specifications
TXT · Output attached · No watermark in test
- Historical specification note · not an official maximum
Full 5-paragraph rewritten text + 3-color highlights + statistics card
- Watermark observation
No watermark
- Batch & API
Not verified
- Recorded free-tier dimensions
0.7
- Attached file dimensions
Not verified
Speed & reliability
About 6.49s end to end in this run; reliability not retested
Detailed facts & historical record
- Timing observation
Network-observed server wait: 5.83s · End-to-end reference: 6.49s
- Date & fixture
2026-11-05 · anchor_paraphrase_v1 · US-West (California, AS2914)
- Repeated tests & reliability
No standardized repetition count, success rate or variability range is recorded.
Interaction experience
No login in this run
Detailed facts & historical record
- Account requirements
No login in this test
- Sign-in methods
Anonymous rewriting supported; Google OAuth and email sign-in for accounts
- Manual adjustment
Not verified
- Interaction observations
Direct anonymous rewriting on homepage without popup barriers; presence of banner advertisements around workspace.
Background & reputation
Olive Works LLC · Long-term reputation not independently verified
Detailed facts & historical record
- Service lifecycle notice
Not verified
- Operator
Olive Works LLC
- Recorded origin
Wyoming, USA
- Domain history record
Operating since January 2023
- Background & reputation assessment
Operated by Olive Works LLC in Wyoming; massive global traffic, though debated in academia regarding false positive thresholds.
- External reputation record
Globally popular AI text detector and paraphraser widely adopted across students and content creators.
Engineering & privacy
Processing location unconfirmed;Explicit retention period unconfirmed; inspect policy record
Detailed facts & historical record
- Processing location
Processing location unconfirmed
- Third-party tracking record
Google Analytics · Cloudflare
- Engineering & privacy assessment
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
Task free allowance & pricing disclosure
300 words per scan free; paid tiers expand to 10k words and unlimited modes
Results displayed immediately in workspace with one-click copy
Site-wide plans belong to the product node (see Product-level pricing baseline ↑).
Expand site-wide plans aligned for AI paraphrasing & rewriting (7 records)
ZeroGPT Free, Pro, Plus, and Max personal subscription pricing structure · 2026-10-31
Basic AI detection and text analysis
Ad-free AI detection, PDF report export, thinking mode paraphraser & summarizer
All PRO features, AI video detector, monthly plagiarism allowance
All PLUS features, unlimited paraphrase modes, ZeroCHAT-5 access
PRO tier annual features
PLUS tier annual features
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 record
Cancellation 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 ↗
Evaluation basis & full scores · Overall 87.4/100
Overall = honesty & reputation × 30% + capability × 70%. Component maxima follow this report’s rubric. List scores are rounded for display; original precision is retained here.
Scoring version 2.3.1 · Test fixture anchor_paraphrase_v1
Honesty & reputation · 88/100 · 30%
| Criterion | Score | Rationale | 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. | Evidence A → |
| Interaction restraint | 24 / 30 | Direct anonymous rewriting on homepage without popup barriers; presence of banner advertisements around workspace. | Evidence A → |
| Background & reputation | 15 / 20 | Operated by Olive Works LLC in Wyoming; massive global traffic, though debated in academia regarding false positive thresholds. | Evidence A → |
| 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. | Evidence A → |
Capability · 87.2/100 · 70%
| Criterion | Score | Rationale | Basis |
|---|---|---|---|
| Task quality | 52.2 / 65 | Fact Retention: 100% · Lexical Diversity: 80.7% · Semantic Similarity: 55.3% · Readability Score: 100/100 | Evidence A → |
| Deliverable specifications | 20 / 20 | Clean unwatermarked export (8/8); Export spec: Full 5-paragraph rewritten text + 3-color highlights + statistics card | Evidence A → |
| Processing speed | 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) | Evidence A → |
Legacy scores may include advertised maximum capabilities. Read tested output separately from paid capabilities. Records without matching tiers and scope are not ranked together.
Linked capability test: AI content detection
2026-11-05 · Native output attached. Findings cover the recorded fixture and conditions; paid specifications may be untested.
Verified native export & same-run screenshot evidence
Open native exported file (JSON · Output attached) ↗Task quality
AI probability 100% · Human probability 0% · Classification label AI-generated · Confidence calibrated Yes
Detailed facts & historical record
- Measured fixture results
AI probability: 100% · Human probability: 0% · Classification label: AI-generated · Confidence calibrated: Yes
- Fixture findings
Perfect alignment with benchmark ground truth (100% AI), clear sentence highlighting, and rapid cloud inference.
- Original historical observation
Input 90-word standard AI anchor fixture (anchor_aidetector_v1/benchmark_sample.txt); ZeroGPT accurately output 100% AI / GPT probability, highlighted all sentences, and returned structured JSON data.
- Suitable uses · historical assessment
Not verified
- Result & output evidence
Delivery capabilities
JSON · Output attached · No watermark in test
Detailed facts & historical record
- Recorded export specifications
JSON · Output attached · No watermark in test
- Historical specification note · not an official maximum
Full 100% AI / GPT verdict + sentence highlighting
- Watermark observation
No watermark
- Batch & API
Not verified
- Recorded free-tier dimensions
Not verified
- Attached file dimensions
Not verified
Speed & reliability
About 5.6s end to end in this run; reliability not retested
Detailed facts & historical record
- Timing observation
Network-observed server wait: 2.11s · End-to-end reference: 5.6s
- Date & fixture
2026-11-05 · anchor_aidetector_v1 · US-West (California, AS2914)
- Repeated tests & reliability
No standardized repetition count, success rate or variability range is recorded.
Interaction experience
No login in this run
Detailed facts & historical record
- Account requirements
No login in this test
- Sign-in methods
Anonymous scanning supported; Google OAuth and email sign-in for accounts
- Manual adjustment
Not verified
- Interaction observations
Direct anonymous scanning on homepage without popup barriers; presence of banner advertisements around workspace.
Background & reputation
Olive Works LLC · Long-term reputation not independently verified
Detailed facts & historical record
- Service lifecycle notice
Not verified
- Operator
Olive Works LLC
- Recorded origin
Wyoming, USA
- Domain history record
Operating since January 2023
- Background & reputation assessment
Operated by Olive Works LLC in Wyoming; massive global traffic, though debated in academia regarding false positive thresholds.
- External reputation record
Globally popular AI text detector widely adopted across students and content creators.
Engineering & privacy
Processing location unconfirmed;Explicit retention period unconfirmed; inspect policy record
Detailed facts & historical record
- Processing location
Processing location unconfirmed
- Third-party tracking record
Google Analytics · Cloudflare
- Engineering & privacy assessment
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
Task free allowance & pricing disclosure
15,000 chars per scan, 1.25M words per month
Results displayed immediately in workspace
Site-wide plans belong to the product node (see Product-level pricing baseline ↑).
Expand site-wide plans aligned for AI content detection (7 records)
ZeroGPT Free, Pro, Plus, and Max personal subscription pricing structure · 2026-10-31
Basic AI detection and text analysis
Ad-free AI detection, PDF report export, thinking mode paraphraser & summarizer
All PRO features, AI video detector, monthly plagiarism allowance
All PLUS features, unlimited paraphrase modes, ZeroCHAT-5 access
PRO tier annual features
PLUS tier annual features
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 record
Cancellation 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 ↗
Evaluation basis & full scores · Overall 96.4/100
Overall = honesty & reputation × 30% + capability × 70%. Component maxima follow this report’s rubric. List scores are rounded for display; original precision is retained here.
Scoring version 2.3.1 · Test fixture anchor_aidetector_v1
Honesty & reputation · 88/100 · 30%
| Criterion | Score | Rationale | Basis |
|---|---|---|---|
| Pricing transparency | 35 / 35 | Free tier grants 15,000 chars/scan and 1.25M words/mo; 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) are fully disclosed without hidden fees. | Evidence A → |
| Interaction restraint | 24 / 30 | Direct anonymous scanning on homepage without popup barriers; presence of banner advertisements around workspace. | Evidence A → |
| Background & reputation | 15 / 20 | Operated by Olive Works LLC in Wyoming; massive global traffic, though debated in academia regarding false positive thresholds. | Evidence A → |
| 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. | Evidence A → |
Capability · 100/100 · 70%
| Criterion | Score | Rationale | Basis |
|---|---|---|---|
| Task quality | 65 / 65 | AI Probability: 100% · Human Probability: 0% · Label: ai · Calibrated: Yes | Evidence A → |
| Deliverable specifications | 20 / 20 | Clean unwatermarked export (8/8); Export spec: Full 100% AI / GPT verdict + sentence highlighting | Evidence A → |
| Processing speed | 15 / 15 | Network-observed server wait: 2.11s (API mode: sync_json_verified; network upload 0s / end-to-end 5.6s shown for reference only, never penalized) | Evidence A → |
Legacy scores may include advertised maximum capabilities. Read tested output separately from paid capabilities. Records without matching tiers and scope are not ranked together.