LongDraft AI
Long Document Writing Assistant
Break the 100k words limit with outline-driven generation. Support BYOM (Bring Your Own Model) for full data control. Perfect support for formulas, tables, flowcharts, charts, and one-click Word export.
Powerful Features, Simple to Use
From outline generation to final export, every step is carefully designed to let you focus on content creation
How LongDraft AI Breaks Length Limits
Outline-driven + chapter-by-chapter generation, easily break through 100k words
Smart Outline
Upload reference documents, write prompts, generate outline
Content Generation
Generate content based on outline, edit content
Layout & Export
Export to Word with customizable layout
Why Choose LongDraft AI?
10x Efficiency Boost
Reduce writing cycle from days to hours. Let AI handle tedious drafts and formatting, you just focus on expressing core ideas.
Ultimate Cost-Effectiveness
Support BYOM (Bring Your Own Model) mode, direct connection to underlying models. Generate 200k words for less than $0.15, breaking price barriers and making AI writing accessible.
Smooth Interactive Experience
Carefully polished modern interface design. Reject rigid tool feel, bring you a silky smooth immersive creative experience.
Publication-Grade Layout
One-click export to standard Word documents. Perfect support for complex formulas, dynamic tables and professional charts, WYSIWYG, no secondary adjustments needed.
Real User Feedback
See how they break through creative bottlenecks with LongDraft AI
"LongDraft AI reduced my proposal writing from 2 weeks to 2 days. For a 50k-word project proposal, after uploading reference materials, it automatically generated an outline and completed content chapter by chapter. Both quality and efficiency exceeded expectations."
"The BYOM interface gives me complete control over data security, no company sensitive information leaks. Generating a 50k-word proposal costs less than $0.30, unbeatable value."
"Perfect support for LaTeX formulas, Mermaid flowcharts, and data charts. The exported Word document can be submitted directly without secondary formatting."
Frequently Asked Questions
Answers to questions you may have
The core difference is length breakthrough. Other products typically generate around 10k words at a time, while LongDraft AI uses an "outline-driven + chapter-by-chapter generation" approach, easily generating ultra-long documents of over 100k words. It also supports BYOM (Bring Your Own Model), giving you complete data control.
BYOM means Bring Your Own Model. You can configure your own AI model interface (such as OpenAI, Claude, domestic large models, etc.). This means:
- Data Security - Your document content doesn't go through our servers, directly calls your model;
- Cost Control - Direct connection to underlying models, generating 200k words costs less than $0.15;
- Model Selection - Choose the most suitable model according to your needs.
Perfect support for LaTeX mathematical formulas, tables, Mermaid flowcharts, data charts (bar/line/pie charts), images, etc. Exported Word documents maintain perfect layout, formulas, charts, and tables are all natively supported, no secondary adjustments needed, can be directly used for thesis submission, proposal applications, and other formal occasions.
The free version provides a 7-day trial, including core features: outline generation, chapter-by-chapter writing, rich text support, Word export. The paid version ($20/month) removes time limits and provides document library, smart search, advanced layout, and other features. Enterprise version supports private deployment and intranet environments. Note: All versions require you to configure your own model interface.
Ready to Break the 100k Words Limit?
BYOM, data security. Outline-driven, ultra-long generation. Experience LongDraft AI now
No Credit Card Required · 7-Day Free Trial