01
Start with the whole paper.
The document result leads. Individual sentences add context; they are not a second verdict.
AI DETECTION + CITATION CHECK
Clarity for every paper.
Understand the writing. Verify the references.
Your paperYour next closer look
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Choose one check at a time. Keep the same paper in the box.
Your text, explainedAn AI detector made to Preserve What's Human.
HalluSpot reads writing patterns and checks references against scholarly records, so a review starts from evidence, not a single score.
See the writing signals.
Review sentence patterns in the context of the whole paper.
Check the sources.
See what matches the literature, and what needs another look.
Your 2026 toolkit for high-quality, authentic writing
Four views of the same paper, all built from HalluSpot’s own checks.
A whole-paper signal, sentence by sentence.
The detector reads writing patterns across the full document, then points you to the passages worth reading closely.
- Whole-paper result first
- Sentence highlights in context
- A signal to review, never proof of authorship
ILLUSTRATIVE RESULT
UnclearSome passages need a closer look.
AI-likeUnclearHuman-like
The chain kept slipping off the back wheel, and I got grease on my cuff.
In today’s rapidly evolving landscape, it is essential to embrace innovation.
Example only. Live results come from the text you scan.
READ BEYOND THE SCORE
The signal matters.
The context matters more.
A whole-paper result gives you a starting point. Sentence highlights bring you back to the writing, where a useful review begins.
02
See the passages worth reading.
Highlights make patterns easier to locate. Read the surrounding sentences before drawing a conclusion.
03
Keep room for uncertainty.
Editing, translation and writing style can affect detection. A signal is a reason to look closer, never proof of who wrote the text.
ILLUSTRATIVE SENTENCE EVIDENCE
Less guessing.
More close reading.
The chain kept slipping off the back wheel, and I got grease on my cuff.
In today’s rapidly evolving landscape, it is essential to embrace innovation.
A highlight points you to a passage. It doesn’t tell you the writer’s story.
Example only. Live results come from the text you scan.
HOW A CHECK READS A PAPER
Passages, not verdicts.
At first glance the passages of a paper look alike. A check reads writing patterns across the whole document, then points you to the passages worth reading closely. It never decides who wrote the text — that judgement stays with the reader.
Passage to review
In today’s rapidly evolving landscape, it is essential to embrace innovation.
Other passages
The chain kept slipping off the back wheel, and I got grease on my cuff.
Step 1
Read the whole paper
Every passage counts as part of one document, not in isolation.
Step 2
Look at sentence patterns
Patterns across sentences are easier to judge than any single line.
Step 3
A human decides
Read the evidence alongside drafts and source records before acting.
Other passages Passages to review
Learn more about how detection works EXAMPLE · FIELD COMPARISON
Match, with a note
Attention Is All You Need
Vaswani et al. · Conference paper
FieldYour referenceSource record
TitleAttention Is All You NeedAttention Is All You Need
AuthorVaswani et al.Vaswani et al.
Year20182017
The work exists. The year needs another look.
THE OTHER HALF OF THE PAPER
A convincing reference
deserves a real check.
A citation can look right and still have the wrong year. HalluSpot compares the details, so the difference is visible.
Author. Title. Year. Venue. DOI. URL. A record that can’t be matched stays uncertain.
Explore citation checkCHECKED AGAINSTCrossrefOpenAlexSemantic ScholarOpen Library
For the work that matters most
How teachers, students and writers use a closer look, in their own words of what the check is for.
Start from a passage, not a score.
Locate the passages and references that deserve attention, then start a specific conversation with the writer.
Review with something to point at.
Sentence highlights and field-by-field reference checks give a review a concrete place to begin.
Check before you submit.
Understand the signals in a draft and check reference details while there is still time to revise.
Verify before you cite.
Compare author, title, year, venue, DOI and URL against scholarly records before a reference goes into a paper.
Keep your own judgement.
Use a scan alongside the original work, drafts and source records — the check informs a decision, it does not make it.
Read beyond the score.
A whole-paper result is a starting point. The evidence is in the passages and the reference fields behind it.
PREÇOS
Um saldo claro para cada trabalho.
Conta gratuita, Pro previsto e pacotes só para Pro. Os pagamentos ainda não estão ativos.
PLANO DE CONTA
Conta gratuita
€0/mês
Para utilizadores registados.
- 5.000 palavras por conta por mês
- 10.000 caracteres por análise
- Site e extensão partilham o mesmo saldo de palavras
- Reinicia todos os meses; as palavras não transitam
SUBSCRIÇÃO PREVISTA
Pro
€7.49/mês
Pagamento anual: 74,90 €/ano, equivalente a 6,24 €/mês — 2 meses grátis
Para analisar trabalhos com frequência.
- 100.000 palavras por mês
- 50.000 caracteres por análise
- Deteção de IA e verificação de citações partilham um saldo
- Adicione um pacote quando as palavras Pro acabarem
SÓ PARA UTILIZADORES PRO
Pacote de palavras
€4.49 pagamento único
Palavras extra para uma subscrição Pro ativa.
- Acrescenta 100.000 palavras por pacote
- Sem prazo de validade enquanto Pro estiver ativo
- Pode comprar vários pacotes e acumular os saldos
- Só utilizadores Pro podem adicionar pacotes
Pro membership is required.
Todos os preços e os futuros pagamentos são em euros. Ultrapassar o saldo não gera cobranças automáticas.
A deteção de IA e a verificação de citações usam o mesmo saldo de palavras. O servidor ajusta a contagem à língua do texto; veja a estimativa no analisador.
Precisa de mais palavras para a sua organização? Contacte-nos
Questions? Find a clear answer.
Results, references, files and privacy—all in one place.
Browse the FAQYOUR NEXT READ
A clearer view starts with your paper.
Paste a passage. Choose a check. Take a closer look.