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AI Detector for Vietnam, built for Vietnamese English.

Pre-scan your essay, khóa luận chapter, or client deliverable before Turnitin and your reviewer see them. Tuned against VNU, HUST, FTU, RMIT Vietnam, and Fulbright writing samples so formally-taught Vietnamese English does not trip the false-positive trap. Free to try. No card. Trình phát hiện AI cho người viết Việt Nam · your first scan in about six seconds.

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Vietnam in 2026

Why AI detection became urgent in Vietnamese academia and outsourcing.

Three pressures stack together in 2026 that put Vietnamese students, freelancers, and FPT/KMS outsourcing writers at higher risk than peers in markets without an English-medium higher-education and global outsourcing system.

An estimated 62 percent of Vietnamese university students used ChatGPT for assignment work in 2025, in line with Indonesia and the Philippines and ahead of most other ASEAN peers. Public universities like VNU Hanoi, VNU HCMC, HUST, and FTU saw the same trend as private institutions like FPT University, RMIT Vietnam, Fulbright Vietnam, Duy Tan, and Ton Duc Thang. The volume created its own dynamics: thesis advisers and panel reviewers started assuming AI was in every khóa luận tốt nghiệp or luận văn thạc sĩ chapter draft, not as exception but as baseline.

1. Turnitin is the default gate across accredited HEIs

By mid-2025 every major Vietnamese university had Turnitin AI checks enabled inside their LMS. VNU Hanoi, VNU HCMC, HUST, HCMUT, FTU, NEU, RMIT Vietnam, Fulbright Vietnam, FPT University, Ton Duc Thang, Duy Tan, Da Nang University, Can Tho University, Hue University, and Vinh University all run it on coursework submissions. International-programme universities like RMIT Vietnam and Fulbright Vietnam apply the strictest thresholds, often using 20 percent flagged content as the trigger for closer review. The institutional infrastructure to enforce AI-content policy is now in place across essentially every accredited Vietnamese HEI, with MoET guidance pushing toward standardised review workflows.

2. The false-positive bias against Vietnamese English became visible

Multiple audits through 2025 documented that detectors trained mostly on native US writing over-flag Vietnamese student writing relative to native US student writing on identical-quality essays. Vietnamese English instruction emphasises formal structured prose with predictable transitions, taught from middle school onwards through the rapid English-learning push of the 2010s. Students at international-track programmes at RMIT Vietnam, Fulbright Vietnam, VNU international, and FPT International bear the cost of pre-scanning to avoid false-positive academic integrity hearings, and freelance writers bear the cost on the Upwork and Vlance.vn side.

3. Outsourcing and freelance pressure stacks on top

Roughly 500,000 Vietnamese are active freelancers across Upwork, Fiverr, Vlance.vn, and FreelancerViet, with content writing, SEO copy, and English documentation for global clients as the largest categories. The Vietnamese outsourcing industry, anchored by FPT Software, KMS Technology, NashTech, and the broader Saigon Tech Hub, employs roughly 600,000 people and produces enormous English content output for global clients. Both Upwork and Fiverr added AI-content review to dispute resolution in 2025, and Vietnamese e-commerce platforms (Shopee Vietnam, Tiki, Lazada Vietnam) updated seller policies in 2025 to flag suspected AI product descriptions during quality reviews. The detector you choose has to be calibrated for Vietnamese English specifically, and that calibration gap is exactly what TextSight was built to close.

Local context

The academic, freelance, and outsourcing landscape.

Who is running AI detection, how MoET and the Vietnam Education Quality Management Agency policy looks in practice, and where the freelance and FPT/KMS pressure is coming from.

Top universities running AI detection

Vietnam National University Hanoi (VNU Hanoi), Vietnam National University HCMC (VNU HCMC), Hanoi University of Science and Technology (HUST), HCMC University of Technology (HCMUT), Foreign Trade University (FTU), National Economics University (NEU), Hanoi University, University of Economics HCMC (UEH), Ton Duc Thang University, Duy Tan University, Da Nang University, Can Tho University, Hue University, and Vinh University. On the international side RMIT Vietnam, Fulbright University Vietnam, FPT University, and British University Vietnam (BUV) all run Turnitin AI checks inside their LMS by default. The full list is essentially every accredited Vietnamese HEI by 2026.

Regulators and policy posture

MoET, the Ministry of Education and Training, sets the overall higher-education policy. The Vietnam Education Quality Management Agency handles institutional accreditation and increasingly references AI-detection workflows in its review criteria. Decree 13/2023 on personal data protection, effective from 2023, sits alongside the Cybersecurity Law of 2018 and governs how personal data is processed by any third-party text processor. Most Vietnamese universities adopted formal AI policies in 2025 that treat undisclosed AI submission as a breach of academic integrity, with penalties scaling from rewriting on first offence to course failure on repeated offences. The common review threshold is 30 percent flagged content, with formal hearings triggered above 50 percent.

Education context: national exam, undergrad, thạc sĩ, tiến sĩ

Vietnamese students enter higher education through the national high-school exam. The four-year undergraduate degree feeds the thạc sĩ master's programme, then the tiến sĩ PhD. Khóa luận tốt nghiệp is the undergraduate graduation thesis, luận văn the master's, luận án the PhD. Each of these stages has its own AI-detection pressure, and the workflow change is the same: pre-scan before the official Turnitin check sees the submission, particularly for international-track programmes at RMIT Vietnam, Fulbright Vietnam, FPT International, and the foreign-language programmes at VNU where English-language submission is the default.

Freelance and outsourcing economy

Roughly 500,000 Vietnamese are active freelancers across Upwork, Fiverr, Vlance.vn, FreelancerViet, and Jobstreet. Content writing, software development, design, and digital marketing are the four largest categories. Hourly rates for content writers run 5 to 15 USD on Upwork, lower on domestic platforms, with senior tech writers clearing 25 to 40 USD. AI-content disputes on Upwork tripled in Vietnam between 2024 and 2025. The outsourcing industry (FPT Software, KMS Technology, NashTech, TMA Solutions) employs roughly 600,000 people, many producing English documentation and content for global clients where pre-delivery AI scanning is becoming standard.

Vietnamese tech, fintech, and journalism

VNG, FPT, Tiki, Shopee Vietnam, Sea/Garena Vietnam, and the major banks (Vietcombank, BIDV, Techcombank, VPBank) all run content QA workflows that increasingly bake in pre-publication AI scans. E-wallet leaders MoMo, ZaloPay, and VNPay produce extensive English and Vietnamese marketing copy. Newsrooms VnExpress, Tuoi Tre, Thanh Nien, and VietnamNet updated style policies in 2025 to require disclosure of AI assistance in long-form content. Garment and manufacturing exporters publishing English content for global buyers now treat pre-scan as a standard step before catalogue handoff.

Plans & pricing

Pick the plan that fits your work.

Use the free tier today, no email needed. Paid tiers billed in USD on Vietcombank, BIDV, Techcombank, VPBank, MB Bank, or ACB cards (1-2% FX); MoMo, ZaloPay, and VNPay subscription rails are in development. Wise and Payoneer also work for solo writers minimising FX. Full details on the pricing page.

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For Vietnamese students

The Vietnamese student workflow.

Three patterns that cover ninety-something percent of what VNU, HUST, FTU, RMIT Vietnam, and Fulbright students do with TextSight in 2026.

Pattern 1: Pre-submission scan for Turnitin alignment

Write your essay or khóa luận chapter draft. Paste into TextSight thirty minutes before submission via your university LMS. Get an Authenticity Score and a sentence-by-sentence colour map. If the score is below 70, edit the red sentences. Re-scan. Submit when you are above 75. This catches both genuine ChatGPT residue and the false-positive flag that Vietnamese English commonly triggers when structured international-track prose lands too close to the AI register.

Pattern 2: International-programme safety net

Used most heavily by students in English-medium international-track programmes at RMIT Vietnam, Fulbright Vietnam, BUV, FPT International, and the international tracks at VNU and HUST. These programmes apply the strictest detection thresholds, often using 20 percent flagged content as the trigger for closer review. Pre-scanning is essentially mandatory because false-positive flags can trigger weeks-long academic integrity processes through the programme adviser.

Pattern 3: Iterative draft scanning for khóa luận and luận văn

Used by Vietnamese undergraduate final-year project writers and thạc sĩ graduate students at VNU, HUST, HCMUT, FTU, and NEU. Scan after each major revision, not just at the end. The score should rise as your draft improves. If it stalls, the issue is structural (paragraph templating, sentence-length flatness, repeated transitions from formal English instruction) rather than wordsmithing, and you can fix it earlier in the cycle before your supervisor or panel sees it.

All three patterns work on the free tier for individual essays. Students with frequent submissions usually upgrade to Pro ($14.99/mo yearly, or $13.99 with verified .edu.vn email) for unlimited scans and the integrated AI rewriter.

For Vietnamese freelancers and outsourcing teams

Freelance writers, FPT/KMS outsourcing, and content creators.

Upwork and Fiverr both added AI-content review to dispute resolution in 2025. Shopee Vietnam and Tiki started flagging suspected AI product descriptions during quality reviews. Here is how Vietnamese writers and outsourcing teams stay safe.

Vietnamese freelance writers and outsourcing teams face a different risk profile than students. A client who suspects AI work can request a detection scan, and a flagged deliverable can void payment release. For writers earning 5 to 15 USD an hour, a single voided 400 USD project is a meaningful financial hit, and account suspensions over repeated AI flags can end a freelance career. For e-commerce sellers on Shopee Vietnam or Tiki, a flagged product description can drop a listing in ranking or get it pulled entirely.

Standard freelance workflow with TextSight

Draft the deliverable normally (using ChatGPT as an outline tool or research helper is common and not the issue), then scan the final deliverable before sending. Authenticity Score above 75 is the floor for safety. Score below 70 means rewrite before sending. The integrated AI rewriter is useful for fixing individual flagged sentences without restructuring the whole piece.

For FPT Software, KMS Technology, NashTech, and TMA outsourcing teams

English content for global clients (documentation, blog posts, marketing copy, technical specs) increasingly requires pre-delivery AI scanning. The Business tier at $29.99/mo yearly with 5 seats, bulk upload, team workspace, and REST API access handles team workflows cleanly. Most Vietnamese outsourcing teams running content for global clients settle into Business within their first quarter, often alongside existing Saigon Tech Hub tooling stacks.

For Vlance.vn, FreelancerViet, and solo writers

Domestic platforms do not all have formal AI-content review yet, but most direct clients now run scans themselves. The TextSight free tier covers casual freelance work; Starter at $7.49/mo yearly is worth it once you are at five-plus deliverables a week. Paying in USD on a Vietcombank, BIDV, Techcombank, VPBank, MB Bank, or ACB card is straightforward, and Wise or Payoneer handle the FX cleanly for writers who want to minimise card-side conversion fees.

For Vietnamese SMEs and agencies

Content teams publishing for SEO and e-commerce.

Two pressures at once: Google's helpful-content update weights AI signals against ranking, and Vietnamese e-commerce platforms started flagging AI listings in 2025 quality reviews.

The path through is publishing AI-assisted content that reads human enough to clear detection and to perform with readers. Pre-scanning every article and product description before it goes live is the workflow change that makes that possible. E-commerce content for Shopee Vietnam, Tiki, and Lazada Vietnam sellers carries the same pressure on the product-description side, in both Vietnamese and English listings where the English portions carry most of the false-positive risk.

The Business tier at $29.99/mo yearly is the right fit: 5 seats, bulk upload, team workspaces, API access. Most Vietnamese content agencies and outsourcing teams running 50-plus articles or 200-plus product descriptions a month settle into this tier within their first quarter of using TextSight. Mixed British and American spelling is common in Vietnamese English instruction depending on curriculum origin, and the detector handles both registers without penalty.

vs local alternatives

TextSight vs Vietnamese detection alternatives.

What other tools Vietnamese users actually try first, where they fall short, and why TextSight fits the Vietnamese market specifically.

ZeroGPT, Smodin, and Quillbot

Popular among Vietnamese users for free access. ZeroGPT's 15,000-character free cap is generous but ad-supported and appeals to high-volume freelance users and Shopee Vietnam sellers running bulk product descriptions. Smodin's free tier covers casual sanity-checks. Quillbot's detector is bundled into Premium. None are specifically calibrated for Vietnamese English, which means all three can over-flag the formally-taught structured prose that Vietnamese curricula produce.

GPTZero and Originality.ai

Used by Vietnamese international-programme students at RMIT Vietnam and Fulbright Vietnam, and by serious freelance writers for cross-checking. GPTZero is the standard cross-check tool. Originality has no real free tier ($14.95 USD per month or pay-as-you-go) and no Vietnamese-tuned calibration. Neither addresses the Vietnamese English false-positive bias directly.

Why TextSight fits the Vietnamese market specifically

False-positive rates roughly 35 percent lower for Vietnamese English in our internal testing. The classifier was tuned on writing samples from VNU Hanoi, VNU HCMC, HUST, FTU, and RMIT Vietnam so formally-taught structured prose does not get over-flagged. Decree 13/2023 alignment via no-retention defaults is the data-protection-friendly answer for agencies and outsourcing teams handling regulated client work. Verified .edu.vn email gets Pro at $13.99, recognising the heavy student weight in the Vietnamese market. MoMo, ZaloPay, and VNPay subscription rails are in development. None of the other detectors are building specifically for the Vietnamese academic and outsourcing register.

FAQ

Vietnamese users frequently ask.

Is TextSight used by Vietnamese universities like VNU, HUST, or FTU?
TextSight is used by individual students at Vietnam National University Hanoi (VNU Hanoi), VNU HCMC, Hanoi University of Science and Technology (HUST), HCMC University of Technology (HCMUT), Foreign Trade University (FTU), National Economics University (NEU), RMIT Vietnam, Fulbright University Vietnam, Ton Duc Thang University, Duy Tan University, Da Nang University, Can Tho University, Hue University, Vinh University, and dozens of other Vietnamese institutions as a personal pre-submission scanner. It is not a Turnitin replacement at the institutional level. Most accredited Vietnamese universities run Turnitin's AI check as the official tool, and students use TextSight before submission to predict what those tools will flag on their khóa luận tốt nghiệp, luận văn thạc sĩ, or coursework essay.
How does TextSight handle Vietnamese English specifically?
The classifier was tuned against writing samples from Vietnamese universities including VNU Hanoi, VNU HCMC, HUST, FTU, and RMIT Vietnam. The model is calibrated to recognise the formal structured-essay register that Vietnamese English instruction emphasises, so it is not over-flagged as AI. False-positive rates on Vietnamese English are roughly 35 percent lower than on detectors trained primarily on native US writing. This matters because Vietnamese higher-education curricula across undergraduate and thạc sĩ programmes produce structured English that overlaps with AI patterns, particularly in international-track programmes at RMIT Vietnam, Fulbright Vietnam, and the foreign-language programmes at VNU.
What about Vietnamese (tiếng Việt)?
TextSight is English-first. Detection in Vietnamese is in beta and less reliable than English detection. Vietnamese university programmes are split between Vietnamese-medium and English-medium tracks. For English-medium programmes at RMIT Vietnam, Fulbright Vietnam, FPT University international, and VNU international tracks, TextSight works well. For Vietnamese-medium content, the most common 2026 workflow is to write in Vietnamese, translate to English with a voice-preserving tool, then scan the English version with TextSight. Native Vietnamese detection is on the 2026 roadmap.
What does Decree 13/2023 mean for using TextSight?
Decree 13/2023 on personal data protection, effective from 2023, governs how personal data is processed in Vietnam, sitting alongside the Cybersecurity Law of 2018. TextSight does not retain client text after a scan completes, which aligns with the no-retention defaults that Vietnamese data-protection officers expect from a third-party text processor. For agency and SME teams handling regulated client content, the no-retention behaviour is the practical answer to the data-residency questions that come up in Decree 13/2023 compliance reviews.
What is the institutional review threshold at Vietnamese universities?
Most Vietnamese universities adopted AI policies in 2025 under guidance from MoET, the Ministry of Education and Training, with quality oversight from the Vietnam Education Quality Management Agency. The common review threshold is 30 percent flagged content, with formal academic integrity hearings triggered above 50 percent. International-programme universities like RMIT Vietnam and Fulbright Vietnam generally apply stricter policies, often using 20 percent as the trigger for closer review. Penalties typically scale from rewriting at first offence to course failure on repeated offences.
Related

More guides for Vietnamese users.

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Calibrated for Vietnamese English · Trained on VNU, HUST, FTU, RMIT Vietnam and Fulbright writing samples · Sentence-level highlights