A New Way of Writing Through AI

Write your business proposal in one hour instead of one week

DocNexus guides you step by step with smart questions to produce a polished, professional proposal — structured, sourced, and ready to send. No blank-page struggle, no wasted days.

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A new way to write, with you at the center

DocNexus doesn't write for you: it writes with you.

Proposals that win deals, not just fill pages

DocNexus doesn't just write fast — it ensures your proposal has clear structure, consistent argumentation, and professional formatting. Every section is tailored to your client's needs, with automatic compliance checks and a layout ready for export.

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Already trusted by more than 6,800 experts

Join those who have transformed the way they write.

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I have always believed that AI should not replace humans, but empower them. DocNexus puts domain expertise back at the center by helping you structure and challenge your thinking. That is what true augmented intelligence looks like.

Luc Julia
Luc Julia Co-creator of Siri, Chief Scientific Officer at Renault
+ 260,000

Documents created with DocNexus

+ 900,000

Hours of Writing Saved

+ 2.1 Million

AI-Generated Questions

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Not just proposals — any professional document

Business proposals, audit reports, technical specs, contracts, meeting minutes — DocNexus handles all your B2B documents with the same speed and quality.

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Suggested answers so you move even faster

Each question comes with smart suggestions based on your context. Select, edit, or write your own — either way, you save time on every step.

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Adapts to your expertise and style

DocNexus adjusts tone, complexity, and content to match your industry, experience, and audience. Your proposal sounds like you — only faster.

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Export in .docx with professional layout

One click gives you a formatted Word document with table of contents, numbered sections, and clean design — ready to send to your client.

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Three steps to a finished proposal

A proven technology that radically transforms document production.

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1

Create your free account

Sign up in under a minute. No credit card required. You're ready to start your first business proposal immediately.

2

Answer the AI's guided questions

DocNexus asks you targeted questions about your client, offer, pricing, and terms. Just answer — the AI structures your proposal as you go.

3

Export your ready-to-send proposal

Get a professionally formatted document in Word or PDF — complete with table of contents, clear sections, and polished layout.

Write in six languages

Create proposals in English, French, German, Spanish, Italian, or Portuguese — perfect for international deals and multilingual teams.

Write my proposal in any language

Revise any section instantly

Not happy with a paragraph? Ask DocNexus to regenerate all or part of your document with new instructions. Iterate in seconds, not hours.

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Our Plans

Simple, transparent pricing that scales with your growth.

Pro

Ideal for freelancers

$99 / month
Max project size

Linked documents included

100 Pages
300 credits / month
equivalent to
~ 300 pages written

Collaborative workspace
Unlimited users
Documents unlimited
Knowledge Base
Unlimited storage
Smart evaluation
Structure and presentation
Content and Coherence
Adaptation and Relevance
Argumentation and sources

Recommended

Plus

For strategic documents

$199 / month
Max project size

Linked documents included

250 Pages
600 credits / month
equivalent to
~ 600 pages written

Collaborative workspace
Unlimited users
Documents unlimited
Knowledge Base
Unlimited storage
Smart evaluation
Structure and presentation
Content and Coherence
Adaptation and Relevance
Argumentation and sources
Compliance and Standards

Business

Designed for teamwork

$399 / month
Max project size

Linked documents included

500 Pages
1 200 credits / month
equivalent to
~ 1 200 pages written

Collaborative workspace
Unlimited users
Documents unlimited
Knowledge Base
Unlimited storage
Smart evaluation
Structure and presentation
Content and Coherence
Adaptation and Relevance
Argumentation and sources
Compliance and Standards
Custom evaluation
 

Entreprise

Plan tailored to fit your needs


Max Project Size: 1,000 Pages
Dedicated support and training
Group access management
Volume discounts
Custom integration

Your next business proposal could be done in one hour

Stop spending days drafting proposals. Sign up for free, answer a few questions, and let DocNexus deliver a professional, client-ready document — today.

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Notre FAQ

Yes. Account creation is free and you get five pages at no cost to write your first business proposal. After that, subscription plans are available for different needs.

You can create a limited number of documents on the free tier. Paid plans unlock higher volumes for teams that produce proposals regularly.

Absolutely. You can manually edit any part of the document directly in DocNexus, or ask the AI to regenerate specific sections based on your feedback.

A straightforward proposal takes about one hour. More detailed or complex proposals may take a few hours — still a fraction of the days it typically requires.

That's exactly what DocNexus is built for. The AI guides you with targeted questions and suggestions — you provide the knowledge, DocNexus handles the structure and writing.