A New Way of Writing Through AI

Your requirements document in one hour instead of one week

DocNexus asks you the right questions and turns your answers into a complete, structured requirements document — with all specifications, acceptance criteria, and technical details. You answer, the AI writes.

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A new way to write, with you at the center

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

A requirements document that doesn't miss what matters

The biggest risk with requirements documents: missing specs, vague wording, inconsistent structure. DocNexus checks your document against hundreds of control points — from completeness of requirements to clarity of every specification. The result: a document that prevents misunderstandings and keeps projects on track.

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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 requirements docs — any professional document

Whether it's a requirements document, audit report, technical specification, contract, or proposal: DocNexus handles all standard B2B document types. One tool for all your documentation needs.

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Suggested answers that move you forward faster

For every question, you get tailored suggestions you can accept or customize. Especially for large requirements documents, this saves valuable time on wording.

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Adapts to your industry and your style

DocNexus takes into account your context, terminology, and experience level. Whether it's an IT requirements doc or a construction spec — the result matches your industry-specific standards.

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Professional export to Word and PDF

Your finished requirements document exports as a .docx file with table of contents and clean formatting. Ready to share with vendors, clients, or internal stakeholders.

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Three steps to a finished requirements document

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, no installation — you can start working on your requirements document right away.

2

Answer the AI's questions

DocNexus guides you through a structured dialogue: project goals, stakeholders, functional and non-functional requirements. You don't need to know where to start — the AI takes the lead.

3

Get your finished requirements document

A complete document with table of contents, clear organization, and professional formatting — ready to export as Word or PDF and share with your team or vendors.

Write requirements documents in 6 languages

Create your requirements document in English, French, German, Spanish, Italian, or Portuguese. Perfect for international projects and multinational teams.

Create a multilingual requirements document

Regenerate individual sections anytime

A section doesn't match your expectations? Have it rewritten with new instructions — without affecting the rest of the document. You keep full control over every detail.

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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 requirements document in one hour instead of one week

Create a free account now and see how DocNexus guides you step by step to a complete, professional requirements document. Your first 5 pages are free.

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Notre FAQ

Yes, signing up is free. You can generate 5 pages at no cost to write your first requirements document and judge the quality for yourself. After that, flexible plans are available to match your documentation needs.

A straightforward requirements document is ready in about one hour. For larger, highly detailed documents with extensive technical specifications, plan on a few hours — still a massive time savings compared to the usual several days.

Absolutely. You can make changes directly in DocNexus or export it as a Word file and continue editing in your usual environment.

Especially then. DocNexus guides you with targeted questions through the entire process. You don't need to know how a requirements document should be structured — the AI ensures the right organization, completeness, and professional language.

You can create an unlimited number of documents. Usage depends on your chosen plan, which determines the number of pages available.