The free AI detection tool provided by Academic Help helps students and educators determine whether text is generated by AI and integrates academic writing resources.

Academic Help AI Detector

Academic Help AI Detector’s core parameters and statistics

Academic Help AI Detector (hereinafter referred to as AHelp AI Detector) is a free AI text detection function module built into the AcademicHelp.net / AHelp.com academic resource platform. It is officially positioned as an AI content identification tool for students and educators. It is not an independent product, but forms the product matrix of the AHelp Learning Center together with 30+ academic tools such as paraphrase tools, plagiarism checkers, citation generators, grammar checker AI writing assistants, etc.

Projects	Public Information
Official positioning	Free AI content detector for students and educators
Detection coverage model	ChatGPT (including GPT-4o), Gemini Pro, Claude 3.5, Llama 3.1 and other mainstream LLMs
Detection granularity	Overall full-text score + sentence-by-sentence-level annotation (AI / possible AI / human)
Delivery form	Web online tool + Chrome browser extension + Edge plug-in
Input format	Paste text directly, or upload PDF / DOC / DOCX / RTF / ODT / TXT
Place of ownership	US (operating entity A-Help Limited, registered in Limassol, Cyprus)
Supported languages	Mainly English, detection capabilities cover multiple languages
Free quota	Free plan: 3 points per day (1 point consumed per test)
Paid starting price	Essential plan $4.17/month ($49.95 annually)
Latest version	2026.07 (continuous iteration, no fixed version number)

Three-tier entrance for delivery form: Directly visit ahelp.com on the Web to paste or upload files for detection, the Chrome extension can detect in real time on the sidebar of any page, and the Edge plug-in covers Microsoft browser users. The detection results of the three entrances are consistent, but the difference lies in the usage scenarios: Web is suitable for in-depth analysis, and extended is suitable for instant inspection while writing.

The boundary between free and paid: Free users are allowed 3 tests per day, which is enough for students who occasionally self-examine; users with more than 3 tests per day (such as teachers who grade assignments in batches, content review teams) need to upgrade to a paid plan.

Users and market recognition of Academic Help AI Detector

Open market signal: A*Help AI Detector is displayed on the official page and has been quoted by many industry leading media - including user reviews on platforms such as The New York Times (nytimes.com), Flippa, and adoption cases in many universities. The page lists the logos of more than ten well-known brands and media as an endorsement of trust, but does not disclose specific user numbers or activity figures.

User reputation characteristics: The user reviews displayed on the official page are mainly from professional roles such as content strategists, freelance writers, hiring managers, etc. The core mentioned keywords are "fast detection speed", "can detect the slightest traces of AI", and "more accurate than similar free tools". Multiple comparative studies published by third-party testers show that the tool ranks high in accuracy among similar products, but the specific test methods, sample sizes, and data sets have not been made public.

Media Coverage: The A*Help brand has been mentioned by many medium and large publications, covering education technology and mainstream news media. The main angle cited by the media is the impact of AI detection on academic integrity, rather than pure product reviews.

Community and Channels: The operating entity A-Help Limited has official accounts on Facebook, Twitter/X, YouTube, TikTok, Instagram, Pinterest and other platforms, but the number of fan interactions has not been disclosed.

Market positioning assessment: A*Help AI Detector occupies a "platform-bundled" ecological niche in the free AI detection tool market - it does not rely on a single detection function to compete, but improves user stickiness through a product matrix of "detection + writing resources + paper generation + plagiarism check". The advantage of this strategy is that once a user enters the platform, multiple needs can be satisfied under the same account; the disadvantage is that the depth of each single function may not be as deep as vertical professional tools (such as Turnitin in plagiarism detection and GPTZero in AI detection).

Academic Help AI Detector’s Cost Advantages

C-side/individual user

Plan	Price	Daily Points	Core Benefits	Advertising
Free	$0	3 points/day	Basic AI detection, basic plagiarism check, standard text generation	With ads
Essential	$4.17/month (annual payment $49.95)	600 points/day	Standard AI detection, standard plagiarism check, standard text generation	No ads
Productive	$8.33/month ($99.95 annually)	6000 points/day	Unlimited AI detection, unlimited plagiarism checking, enhanced text generation	No ads

The "free truth" of the Free plan: The limit of 3 points per day means that a single test consumes 1 point, and a maximum of 3 documents can be tested per day. This is basically enough for students who occasionally self-examine, but it cannot meet high-frequency usage scenarios. The presence of advertisements will affect the testing experience - the testing results page will be interspersed with platform recommended content.

Cost-performance of the Essential plan: The annual payment is $49.95, which is equivalent to an average monthly price of $4.17. The average daily 600 points can cover the daily testing needs of most individual users, and eliminates advertising interference. This is the paid tier that C-side users are most likely to choose.

Applicable boundaries of the Productive plan: Annual payment of $99.95 provides 6,000 points/day and unlimited testing, suitable for professionals who need batch testing (such as freelance writers reviewing manuscripts, hiring managers screening AI content in resumes). But for students who only need occasional testing, the program has far more points than is actually needed.

API / Developer

The official page mentions "API & Enterprise Features" - detection capabilities can be integrated through the API, used by the management team and automated cross-platform detection, but the specific API pricing, frequency control limits (TPM/RPM), concurrency upper limit and data retention policy are not disclosed. If developers need to integrate, they need to contact and confirm through business channels.

Enterprise/Educational Institution

The official "Higher Education" exclusive program is available to universities and educational institutions. The specific pricing has not been disclosed and needs to be confirmed by the business. Enterprises and educational institutions need to confirm the following terms before purchasing: benchmark accuracy of the detection model and regular update commitment, data privacy and GDPR/CCPA compliance, single sign-on (SSO) and account management capabilities, batch detection concurrency limit and API SLA.

Hidden Cost Tip: For educational institutions, the real cost is not only the subscription fee - teacher training time, academic integrity disputes caused by false positives/negatives, and students using free credits to bypass detection are all hidden costs that need to be taken into consideration.

Academic Help AI Detector’s main functions

• AI Text Detection and Sentence-by-Sentence Annotation: The core detection engine analyzes text for sentence structure, language patterns, and statistical markers, outputting an overall AI-generated probability score within seconds, with color-coded sentence-by-sentence annotation (red = AI generated, yellow = likely AI, green = human writing). Supports detection of output from mainstream models such as ChatGPT/GPT-4o, Gemini Pro, Claude 3.5, Llama 3.1, etc. Expert view: The detection engine also provides the ability to identify "rewritten AI content" - the official website claims that it can detect rewritten AI text, which has practical significance for evaluating whether students only use AI to generate and then simply replace synonyms.

• Multi-format file upload detection: In addition to directly pasting text, it supports uploading PDF, DOC, DOCX, RTF, ODT, and TXT format files. Users can directly upload the original file without copying and pasting the document content into the text box. Expert View: This capability saves a lot of operation time in batch scenarios - teachers can package and upload the entire batch of assignments submitted by students instead of copying and pasting them one by one.

• Chrome/Edge browser extension: A*Help AI Writing Detector browser extension provides four capabilities - instant detection of any web page text, convenient paste detection window, writing process replay (Replay the Writing Process), author activity analysis (including writing time, word count and other information). Expert view: The writing process playback function is a differentiating highlight. It allows teachers not only to see the AI ​​probability of the final text, but also to trace the editing behavior pattern during the writing process. The difference in trajectory between pure pasting text and sentence-by-sentence keyboard input is an important signal to judge the degree of AI assistance.

• AI Detection Remover: The platform provides a supporting AI detection removal tool, which can reduce the AI ​​trace score by rewriting text marked as AI-generated. Expert view: The detection and removal tools belong to the same platform, forming a relationship of "detection → mark → rewrite → re-detection". This is a double-edged sword for student users - on the one hand, it helps to learn how to express themselves originally, but on the other hand, it can also be used to deliberately avoid detection. Educational institutions need to be aware of the impact of this feature on academic integrity mechanisms.

• Platform Tool Matrix Collaboration: The AI ​​detector shares the points system and user accounts with 30+ academic tools in the platform, including plagiarism checker AI paper writer, paraphrase tool, citation generator, grammar checker, summary tool, paper topic generator, etc. Expert View: This is the core strategy that distinguishes A*Help from single-point AI detection tools - the detection result page directly comes with operation entries such as "rewrite", "quote" and "grammar check". Users can complete the complete link from problem discovery to problem correction without switching across tools. This "detection-as-a-service portal" design reduces tool-hopping costs common in academic writing.

Academic Help AI Detector model and version evolution

The detection engine version of A*Help AI Detector is synchronized with the overall update of the AcademicHelp/AHelp platform. The official disclosed key milestones through the public change log (Changelog):

Time node	Update content	Impact on detection capabilities
2025-03-13	Added support for DOC/DOCX/RTF/ODT/TXT file formats	Expand detection input dimensions and reduce format conversion hassles
2025-03-05	AI automatic completion function released	Text generation capabilities are enhanced, indirectly improving the detection model’s recognition of AI writing patterns
2025-02-25	The number of sources that can be selected when generating papers (up to 10)	Improve the diversity of AI-generated texts and put forward higher requirements for detection models
2025-01-17	Support users to upload custom PDF sources + Embedding Vector Search	Introduce Embeddings + Vector Search for context-aware paper generation, improving AI text detection capabilities based on citation generation
2024-11-28	PDF format download support	Test results can be exported to PDF for easy archiving and submission
2024-10-28	Integrate AI detection and plagiarism check into the editor	Deep integration of detection capabilities with writing and editing
2024-10-07	GPT-4o Mini integration	The detection engine may simultaneously upgrade its ability to recognize GPT-4o series output
2024-09-11	Chrome extension released	Detection capabilities extended from the web to the browser sidebar
2024-09-06	Online text editor released	Detection and editing are completed in the same interface

Version context analysis: A*Help AI Detector is not an independent version iteration, but continues to evolve as part of the platform capabilities. Two main lines can be seen from the update log - Deepening of detection capabilities (GPT-4o Mini integrates Embeddings vector search) and Usage scenario expansion (Chrome extension, multi-file format PDF export). The detection engine is updated approximately 1-2 times a month, but the official has not disclosed the architecture, training data volume, and accuracy indicators of the specific detection model.

Comparison of version rhythm with competing products: In contrast, professional AI detection tools such as GPTZero and Originality.ai have independent version numbers and update announcements, and the detection model update frequency and accuracy indicators are more transparent. A*Help's detection engine is a platform sub-module, and its update priority may be affected by the overall roadmap of the platform.

Academic Help AI Detector’s technical advantages

Detection mechanism: A*Help AI Detector’s detection engine is based on the analysis of sentence structure, language patterns and statistical markers to determine whether the text is human-written or AI-generated. Officials disclosed that its training data includes not only academic papers, but also blogs, articles and web pages - which means it may have better generalization capabilities when detecting "AI text in non-academic scenarios".

Why "non-academic data training" has practical significance: Many AI detection tools only use academic paper corpus training, resulting in a high misjudgment rate for students' daily writing (including colloquial expressions and Internet slang). A*Help incorporates real web page text into the training set, which can theoretically reduce the false positive rate for mixed-style text.

Indirect contribution of Embeddings + Vector Search: Embeddings and vector search technology introduced in January 2025 are mainly used for paper generation (using user sources or scientific references to generate more accurate papers), but this technology can also be used to improve the detection model's recognition of citation-based AI texts - when the AI-generated text cites real sources, vector search can assist in verifying the match between the citation and the context, thereby reducing the false negative rate of "citation-shielded" AI texts.

Technical value of sentence-by-sentence analysis and writing process playback: Sentence-by-sentence annotation not only gives the AI ​​probability of each sentence, but also provides intuitive visualization results through color coding. The playback of the writing process records the user's keyboard input behavior - pure pasting of large sections of text and sentence-by-sentence input present completely different trajectory patterns on the timeline. This dimension of data is an additional signal that cannot be covered by plain text detection.

Technical limitations: A*Help does not disclose the architectural details of its detection model (Transformer-based classifier, perplexity detection, or hybrid method), training data set size, and third-party benchmark results for model accuracy. Its detection capabilities are less verifiable and transparent than professional-grade detection tools.

Academic Help How to use AI Detector

Web online detection

1. Visit https://ahelp.com/ai-detector/ or https://academichelp.net/ai-detector/
2. Paste the text to be detected directly in the text box, or click the upload button to select the file (supports PDF/DOC/DOCX/RTF/ODT/TXT)
3. Select text language (default is English)
4. Click the "Detect AI Content" button
5. Get the detection report within seconds: overall AI probability score + sentence-by-sentence color annotation

Chrome extension detection

1. Search and install the "A*Help AI Writing Detector" extension in Chrome Web Store
2. After installation, open the extension panel in the sidebar of any web page
3. Paste text or directly read the content of the current page for detection
4. Extended support for the "Replay Writing Process" function - which can replay the text input process and analyze writing behavior patterns

Edge plug-in detection

Install the "A*Help AI Writing Homework" plug-in in the Microsoft Edge plug-in store. Its functions are consistent with the Chrome extension.

Use paths in batches

For educational institutions or content teams that need batch testing, the recommended workflow is: collect the documents to be tested (unified into PDF or DOCX format) → upload the tests one by one on the Web → export the test report in PDF format → record the test results. If you need higher throughput, consult the API integrated business plan.

Test -> Fix -> Test again Closed

The advantage of the A*Help platform is that the test result page directly provides entry for subsequent operations:

• AI Detection Remover: Rewrite passages marked as AI generated
• Paraphrase Tool: Adjust wording and sentence structure to reduce AI traces
• Plagiarism Checker: Detect whether rewritten content is a duplicate of another source
• Quote Generator: Automatically generate canonical formats for statements that need to be quoted

Product Pricing for Academic Help AI Detector

The pricing of the A*Help platform is based on a "points system", and the AI detection function shares the same point pool with other academic tools:

Comparative Dimensions	Free	Essential	Productive
Monthly fee (converted to annual payment)	$0	$4.17	$8.33
Total annual payment	$0	$49.95	$99.95
Daily testing points	3 points/day	600 points/day	6000 points/day
Number of AI detections	About 3 times/day	About 600 times/day	Unlimited
Plagiarism Check	Basic	Standard	Unlimited
Text generation	Standard (with ads)	Standard (without ads)	Enhanced (without ads)
Advertisement	Yes	No	No
Suitable for scenarios	Occasional self-examination by students	Daily use by teachers/writers	Batch inspection by professional teams

Pricing Strategy Interpretation: A*Help adopts a three-layer funnel of "free traffic + low price entry + medium price unlimited". Free plan 3 points/day limit is just stuck at the psychological threshold of "allowing users to experience value but not enough"; the Essential plan's price of $4.17/month is lower than most similar paid detection tools (such as Originality.ai starting at $14.95/month and GPTZero starting at $9.99/month), making it competitive in the price-sensitive education market.

Hidden Costs: Pricing for API and Enterprise plans is not disclosed. Educational institutions also need to consider when purchasing: the cost of teacher training time, the administrative cost of students using free credits to bypass detection, and the development cost of integrating with existing LMS (learning management systems).

Cancellation Policy: Payment is processed through Stripe, and automatic renewal can be canceled at any time in the account settings. Refunds need to be processed by contacting the customer service email. The specific refund terms are subject to the official refund policy.

Application scenarios of Academic Help AI Detector

• Student Academic Integrity Self-Check: Use A*Help AI Detector to detect AI-generated proportions of text before submitting a paper or assignment. If the detection result shows a high AI probability, students can correct it using the paraphrase tool or AI detection remover within the same platform, and then check again to confirm. Key verification point: The "sentence-by-sentence annotation" of the test results can help students accurately identify the paragraphs that need to be rewritten, rather than blindly modifying the entire text. According to the deduction, the self-examination process (detection → locating problematic paragraphs → rewriting → re-examination) for a 3,000-word paper was shortened from about 60 minutes for manual reading and review to 10-15 minutes.

• Teacher Homework Batch Screening: When grading homework, teachers can upload documents submitted by students for inspection one by one or in batches. The AI ​​probability score in the test report can be used as a basis for preliminary screening of academic integrity, and can be used with the writing process playback function (Chrome extension) for further judgment. Key verification points: The test report only provides reference signals. Teachers still need to make the final judgment based on their understanding of the students and the content of the assignment itself. Human-machine collaboration boundary: AI detection is 100% responsible for the initial screening mark, but the final determination of academic integrity must be completed by the teacher, because the detection tool has the possibility of false positives and false negatives.

• Quality self-inspection for content creators/freelance writers: Freelance writers and content strategists test the AI ​​content before submitting manuscripts to ensure that the delivered content passes the AI ​​testing standards of the client or platform. For customers who require a strict "zero AI" strategy, multiple iterations are available using Productive's unrestricted detection. Cost reduction and efficiency improvement: The content reviewer detects the AI ​​content of a 1,000-word blog post and issues a report, shortening the manual reading and analysis time from about 15 minutes to 1-2 minutes (detection + screenshot report).

• HR & Recruiting Compliance Screening: Hiring managers detect AI-generated content when screening resumes and cover letters, identifying over-reliance on AI-generated application materials. Key check point: The accuracy of the detection tool for short text (resume summary, cover letter) may be lower than that of long text. HR should use the detection results as a reference rather than a decisive indicator.

• Content Review by Legal and Compliance Team: The Legal and Compliance team detects AI-generated traces when reviewing external documents to ensure the originality and credibility of the document. Such scenarios often require enterprise-grade API integration to embed detection capabilities into existing document review workflows.

Academic Help AI Detector is suitable for people

• Undergraduate and graduate students: You need to self-check the AI-generated ratio of papers and assignments to ensure that they meet academic integrity requirements before submission. The Free plan basically covers the self-examination needs of course papers three times a day. Not suitable for the boundary: Students who need to detect large volumes (such as 10+ long documents in a week) should consider the Essential plan, but the monthly cost of $4.17 still constitutes a barrier for some students.

• High School and AP Course Students: Faced with increasingly stringent AI usage policies, high school students need to self-examine before submitting college application documents and research papers. Prerequisite: You need to have a basic awareness of academic writing standards and understand the reference nature of AI detection results rather than absolute conclusions.

• Teachers and Professors: It is necessary to batch detect the AI ​​content of students' homework as an auxiliary means for academic integrity assessment. Essential or Productive solutions are recommended to meet daily testing volumes. Unfit Boundary: For institutions that must issue formal academic integrity reports (such as university disciplinary committees), the A*Help test results are only reference signals and should not be used as the only evidence - it is recommended to use Turnitin or other professional testing tools for cross-validation.

• Educational Administrators and Academic Integrity Committee: Required to develop or enforce an institutional-level AI usage policy. Volume deployment is available using A*Help's Enterprise/Higher Education plan. Prerequisite: The institution must first complete the accuracy assessment and baseline testing of the detection tool, and connect it with the existing academic integrity process.

• Content Strategist & Freelance Writer: Need to ensure delivered content passes the client or platform’s AI testing standards. The Productive solution's unrestricted detection is suitable for high-frequency use. Unfit Boundary: For scenarios that require the writing of deeply original and long (5000+ words) research reports, AI detection tools can only reflect AI traces at the text feature level and cannot replace professional review of the factual accuracy and logical depth of the content.

• HR and Recruitment Specialists: Identify AI-generated content when sifting through large volumes of job applications, but still require human interviews to verify candidates' actual abilities.

• *Not suitable for people to use AHelp AI Detector*: Enterprise users who require highly customized detection strategies (such as custom detection thresholds, exclusive training data sets); educational or medical institutions that require strict FERPA/HIPAA compliance; and formal academic publishing scenarios that have extremely high requirements for detection accuracy - these requirements may not be covered by AHelp's enterprise/university solutions, so it is recommended to evaluate professional-level detection tools.

Academic Help AI Detector Summary and Outlook

The core value of A*Help AI Detector is not "the most accurate single detection model", but rather that the product matrix of "detection + rewriting + citation + writing resources" forms a complete academic writing solution. It uses free testing as the traffic entrance, improves user stickiness through the synergy between tools, and then uses the points-based pricing model to convert high-frequency users into paying users.

Current Advantages:

• The free plan has a moderate amount (3 times a day) among similar tools, and has no financial burden on light users.
• Detection, rewriting, plagiarism checking, and citation generation are completed on the same platform, reducing tool switching costs
• Chrome extension’s writing process replay feature provides a unique additional dimension of judgment
• Pricing is lower than most professional AI detection tools, making it price competitive in the education market

Current Limitations:

• The architecture, training data and accuracy benchmarks of the detection engine are not disclosed, making it difficult to independently verify its performance
• The update frequency of the detection model is opaque, and there is a risk of lagging in the ability to identify the latest AI models (such as GPT-5, Claude 4, etc.)
• The free plan has advertising interference, and 3 tests per day are not enough for moderate or above users.
• The platform supports the free model with advertising and value-added services. In the long run, the free strategy may be adjusted.
• API and enterprise plan pricing and terms are not disclosed, and institutional procurement requires one-to-one business communication

Competitive Landscape Comparison:

Comparative Dimensions	A*Help AI Detector	GPTZero	Originality.ai	Turnitin
Pricing starts	Free / $4.17/month	$9.99/month	$14.95/month	Institutional licensing model
Free quota	3 times/day	There is a free version (lower quota)	No free version	No free version
Detection granularity	Sentence-by-sentence annotation	Sentence-by-sentence annotation	Sentence-by-sentence annotation	Full-text scoring
Writing process playback	Supported (Chrome extension)	Not supported	Not supported	Not supported
Platform Tool Matrix	30+ Academic Tools	Single Detection	Detection + Plagiarism Check	Plagiarism + Detection
API Availability	Undisclosed Pricing	Yes	Yes	Internal Only
Exclusive plan for educational institutions	Yes (undisclosed pricing)	Yes	Yes	Yes (Mainstream LMS integration)
Detection model transparency	Low	Medium	Medium	Low

Follow-up observation points:

• Detect whether model update frequency accelerates with LLM iterations
• Whether the API service is launched as an independent product
• Whether the platform tool matrix will be extended to LMS integration or learning management system docking
• Whether the free strategy has been adjusted due to cost pressure (such as reducing the free limit, adding a premium feature paywall)

Using risk assessment: AHelp AI Detector’s free plan is suitable for students’ personal reference use, with zero cost and no risk. If educational institutions use it as a formal testing tool, it is recommended to conduct a small-scale pilot for 2-4 weeks with the Free plan, conduct a double-blind comparison of the test results with manual review, and confirm whether the accuracy and false alarm rate meet the institutional standards before deciding whether to purchase the enterprise solution. Before choosing the Productive solution, the commercial content team is recommended to confirm whether the API integration capabilities and data privacy terms meet business needs. In any scenario involving a formal determination of academic integrity, AHelp test results are not recommended as the only evidence.

Related tools: originality-ai, gptzero

Version Info

• Academic Help AI Detector 2026.07 ：There is no official precise date yet, and the AI ​​detection model and academic resource library will be continuously updated. （~2026-07）
• Academic Help AI Detector 2026.01 ：There is no official precise date yet, and the AI ​​text recognition algorithm continues to be iterated. （~2026-01）