LOSAN AI Your Complete AI Assistant for Every Task
Write essays, analyze 100-page documents, generate product images, prep for exams — all in one platform. No switching apps, no prompt expertise needed. Just results.
Ready to Work Smarter with AI?
SOUNDS FAMILIAR?
We Built LOSAN For These Exact Moments
Real problems from real users — students, professionals, creators. Pick yours.
Writing a thesis or essay that takes forever?
LOSAN's AI writing workflows generate a complete structured draft in minutes — you just refine it.
Spending hours on reports every single day?
Pre-built AI workflows handle repetitive writing automatically. Same quality, every time, in a fraction of the time.
Need stunning product or ad images but have no designer?
AI image tools generate professional product shots and ad creatives instantly — no design skills needed.
Studying hard but not sure where you're weak?
AI Exam Prep scores your mock tests, pinpoints weak areas, and gives you a personalized improvement plan.
AI loses track halfway through a long document?
LOSAN holds full context from page 1 to the end — no truncation, no drift. Consistent quality whether you're reading or generating 10 or 100 pages.
Publishing content non-stop but running out of ideas?
AI workflows turn a rough idea into a full article, SEO post, or script in one go. Stay consistent, effortlessly.
AI WORKFLOW
From Idea to Finished Content — Without the Struggle
Each workflow is built for one specific task. No prompt writing — just fill in the blanks and get results every time.
Academic Writing
Marketing & Business
Research & Creative
How It Works
AI EXAM PREP
Practice Exams with AI Scoring
Hundreds of high-school and university-level exams, simulated on a real exam interface — with detailed scoring to back it up.
Computer-Simulated Mock Exams
Hundreds of exams from high-school finals to university entrance level, on an interface that mirrors the real test day.
Detailed Scoring & Improvement Path
Automatic scoring, a full record of how you worked through the exam, and a personalized report on your strengths, weaknesses, and how to raise your score.
AI Re-Teaches What You Missed
Every answer comes with a detailed explanation — and AI re-teaches the lesson for whatever you got wrong.
AND MORE
The Full LOSAN Ecosystem
Beyond the core tools, LOSAN comes with a growing set of specialized features.
AI CHATBOT
The World's Best AI Models, In One Place
No app switching. No complex prompts. Just ask and get results.
Access the most powerful AI models through one clean interface — with built-in tools that go far beyond simple chat.
Mindmap
Easy to understand your data
Editor
Chat and edit seamlessly
Research
AI research assistant
Slides
Turn documents into presentation slides
AI PROJECT
Chat with your files
Aggregate data from multiple files to answer questions
- Read 100+ page documents without missing a single detail
- Cross-reference multiple files — contracts, reports, research papers — at the same time
- Ask follow-up questions and get answers grounded in your actual documents
- Never lose context mid-conversation, no matter how long the document

What Users Say
Reviews from students and professionals who use Losan for more effective work
Nguyễn Thị Mai
Medical Student
"I used to read hundreds of pages of textbooks. Now I just upload PDFs to Losan and get detailed summaries + mind maps. Saved 70% of study time!"
Trần Văn Hùng
Legal Specialist
"Losan reads the entire 50-page contract and accurately identifies risk clauses. Previously it took me 2 hours, now just 10 minutes. The "Contract Analysis" workflow is incredibly useful!"
Lê Minh Khoa
Content Creator
"The translation workflow is a game-changer! I translate articles daily. Losan understands context perfectly and suggests natural phrasing. My productivity doubled!"
Phạm Thu Hương
Marketing Manager
"I use Losan to analyze competitor reports and create campaign briefs. The AI character "Marketing Expert" gives incredibly practical advice. It's like having a senior consultant on my team!"
Get more done with AI
Try AI writing, chat & learning — no credit card needed
- 1 million token context window — feed entire books, theses & long documents
- Chat with basic model
- Draft emails, posts & short content
- Scan & extract up to 20 pages per PDF (OCR)
- Create unlimited projects
- Access Character & Prompt library
Quick Q&A, studying & workflows up to 10 pages (12h reset, basic model)
- 1 million token context window — feed entire books, theses & long documents
- Everything in Free
- Unlock all workflows & apps
- Write long-form: blog posts, essays & full translations (5-10 pages)
- Advanced image generation
- Scan & extract up to 100 pages per PDF (OCR)
- Generate meeting minutes from audio or live recording
For professionals & power users — large documents, top models, priority speed
- 1 million token context window — process entire books, contracts & technical documents
- Everything in Free
- Unlock all workflows & apps, incl. meeting minutes from audio
- Advanced image generation
- Access to the most powerful AI models
- Write & process in-depth documents: theses, reports, contracts, technical specs
- Scan & extract up to 500 pages per PDF (OCR)
- Priority speed during peak hours
*Usage limits apply. Prices and plans are subject to change at Troisinh's discretion.
Frequently Asked Questions
Find answers to common questions about Losan AI and its capabilities
Ready to Work Smarter with AI?
Join 70,000+ students and professionals who use Losan AI every day to save time and improve work quality.
About Us
Losan is developed by an AI engineering team, focusing on creating truly useful AI tools for learning and work. Launched in January 2024, Losan has grown to 70,000+ active users and continuously improves to deliver the best AI experience at affordable prices.
Learn More About Us