Test record & evaluation basis

Copyleaks · AI content detection

Copyleaks accurately detected 100% AI generation probability with 0% plagiarism match on the 90-word pure LLM benchmark sample in 27.4 seconds. Beyond the headline score, it highlighted 15 distinct high-frequency AI phrases and delivered sentence-level diagnostic coloration, providing both precision and explainability.

Test date 2026-11-01Free tier + subscriptionNative output attachedMethod 2.3.1
1 · Date, environment & tier2026-11-01 · Guest flow

US-West (California, AS2914)

2 · Fixture & native exportCalibrated AI vs human text benchmark (literature master & LLM prose, 780 B) (anchor_aidetector_v1)

JSON · Output attached · Open native file ↗

3 · Price checks vs. test scoreOfficial pricing checked 2026-10-31

Subsequent pricing and service checks are shown separately without altering historical scores.

4 · What one test cannot proveScoped to this fixture & path

One run does not establish all complex scenes, untested paid maxima or long-term uptime.

Plans & historical pricing

Copyleaks Personal and Pro subscription pricing structure · 2026-10-31

Plan · source date
Monthly / one-time
Annual bill / period
Quota & limits
Personal (Monthly)2026-10-31 ↗
USD 16.99/month
—
Monthly 100 unified credits/mo (scan up to 25,000 words or 100 images), multi-file batch upload, extension, Google Docs add-on, MCP access

AI text & image detection, 30+ languages AI detection, 100+ languages plagiarism check, Shared Data Hub

Pro (Monthly)2026-10-31 ↗
USD 99.99/month
—
Monthly Includes 25 user seats, 1,000 unified credits/mo (up to 250,000 words or 1,000 images), website scanning, cross-language translation detection, analytics

All Personal features, 25 seats, advanced filters, website scanning, cross-language translation detection, analytics dashboard

Personal (Annual)2026-10-31 ↗
—
USD 167.88/year
Annual $167.88 billed annually ($13.99/mo equivalent), 1,200 unified credits (up to 300,000 words or 1,200 images)

Personal tier annual features

Pro (Annual)2026-10-31 ↗
—
USD 899.88/year
Annual $899.88 billed annually ($74.99/mo equivalent), 25 seats, 12,000 unified credits (up to 3M words or 12k images)

Pro tier annual features

4 plan / billing-period records, all listed; — means that period is not recorded.

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.

Cancellation, sources & verification record

Cancellation and refund terms unverified

Copyleaks Official Pricing Page (Annual View) ↗ · 2026-10-31 Capture 1 ↗

Copyleaks Official Pricing Page (Monthly View) ↗ · 2026-10-31 Capture 1 ↗

Pricing recorded on the test date · 2026-11-01

Free trial; Personal $16.99/mo or $167.88/yr

Freemium (free trial credits + Personal/Pro monthly/annual subscriptions)

Historical context only; not current purchase guidance.

Delivery & access

Free delivery record
Full sentence-level coloration + 15 AI phrase attributions
Watermark
Zero watermark
Free allowance
Free trial credits granted upon signup for full scan execution
Account requirements
Demo on homepage; formal scan via Google account login
Maximum specification record
Full sentence-level coloration + 15 AI phrase attributions + plagiarism comparison report

May include advertised capabilities; this does not establish a tested paid tier.

Batch & API
Supports single/batch text uploads, REST API, and MCP protocol integration
Manual refinement
Not recorded or not verified

Tested result & sample

Copyleaks processed the benchmark anchor in 27.38s server wait time, accurately flagging 100% AI probability and 15 phrase clusters (01_landing.png, 02_prompt_filled.png, 03_result.png).

Fixture
anchor_aidetector_v1
Recorded environment
US-West (California, AS2914)
Network-observed server wait
27.38 s
End-to-end reference
27.38 s

Network wait includes round trips, queuing and polling error, not pure inference time. Local timings depend on the device; repetition counts are not standardized in legacy records.

Experience, rules & trust

Disclosure
Input word count and remaining credits clearly visible prior to scanning
Interaction
Not recorded or not verified
Entity record
Copyleaks Inc.
Origin
Stamford, Connecticut, United States
Domain history record
Founded in 2015
Third-party tracking record
Google Analytics · Google Tag Manager
External information
Top-tier content authenticity, copyright compliance, and AIGC detection platform listed on Inc. 5000.
Processing
Cloud enterprise multi-layer secure sandbox and deep learning inference engine
Retention statement
Certified compliant with SOC 2 and GDPR standards; zero data leakage to public LLM training

A recorded statement does not verify deletion or all data-processing behavior.

Verifiable audit trail & evidence

Four SHA-256-verified stages link the benchmark fixture, same-run interface screenshots, native exported artifact and archived pricing sources.

Stage A · Benchmark fixture Calibrated AI vs human text benchmark (literature master & LLM prose, 780 B)

anchor_aidetector_v1 · Inspect fixture & file inspector →

Stage B · Same-run screenshots 4 flow screenshots archived

Captures entry rules, result view and export disclosure.

Stage C · Native exported file JSON · Output attached

Open native exported file ↗

Stage D · Archived pricing sources 2 official source snapshots

Copyleaks Official Pricing Page (Annual View) (snapshot ↗) · Copyleaks Official Pricing Page (Monthly View) (snapshot ↗)

Screenshots, native output and official claims support different conclusions. Evidence grades are not product safety certifications.

Evaluation basis & full scores · Overall 94.1/100

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 · 92/100 · 30%

CriterionScoreRationaleBasis
Pricing transparency32 / 35 Explanation unavailable Evidence A →
Interaction restraint27 / 30 Explanation unavailable Evidence A →
Background & reputation19 / 20 Explanation unavailable Evidence A →
Engineering & privacy14 / 15 Explanation unavailable Evidence A →

Capability · 95/100 · 70%

CriterionScoreRationaleBasis
Task quality65 / 65 AI Probability: 100% · Human Probability: 0% · Label: ai · Calibrated: Yes Evidence A →
Deliverable specifications20 / 20 Clean unwatermarked export (8/8); Export spec: Full sentence-level coloration + 15 AI phrase attributions + plagiarism comparison report Evidence A →
Processing speed10 / 15 Network-observed server wait: 27.38s (API mode: async_verified; network upload 0s / end-to-end 27.38s 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.

Revisions & corrections

Prepare a correction or update →
Benchmark evidence preview

Open original ↗