A New Way of Writing Through AI

Write your technical sales proposal in one hour instead of a week

DocNexus guides you step by step with targeted questions to produce a structured, complete proposal ready to send. No more starting from a blank page: the AI handles the structure, you bring your expertise.

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A new way to write, with you at the center

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

More compelling proposals without burning the midnight oil

Every technical sales proposal is automatically evaluated against hundreds of checkpoints: technical consistency, clarity of argumentation, and alignment with client expectations. The result: professional-quality documents that strengthen your credibility with prospects.

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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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Much more than a sales proposal

Technical sales proposals, but also reports, technical specifications, contracts, internal memos… DocNexus adapts to all your B2B document needs.

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Suggested answers to move faster

For each question, the AI offers pre-drafted responses you can approve or adjust. Perfect for moving quickly without sacrificing quality.

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An AI that adapts to you

DocNexus adjusts the tone, level of technical detail, and writing style based on your context, your industry, and your audience.

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Professional Word export in one click

Download your proposal in .docx format with an automatic table of contents, polished formatting, and clearly organized sections. Ready to send to your client.

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Three steps to write your proposal

A proven technology that radically transforms document production.

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1

Create your account for free

Sign up in seconds. Five pages free to write your first technical sales proposal with no commitment.

2

Answer the AI's questions

DocNexus asks about your client, your solution, your pricing, and your terms. Suggested answers help you move forward quickly.

3

Get your finished proposal

Your technical sales proposal is generated with professional formatting, a table of contents, and a Word export ready to send.

Write in 6 languages

Produce your proposals in French, English, German, Spanish, Italian, or Portuguese. Perfect for your international clients and partners.

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Edit and regenerate as needed

Not happy with a section? Ask the AI to rewrite all or part of your proposal based on your instructions. You keep full control of the final result.

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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 technical sales proposal in one hour

Stop spending days on your proposals. Create your account, answer the AI's questions, and get a professional document ready to send.

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Notre FAQ

Yes. Account creation is free and you get five pages free to write your first technical sales proposal. Subscription plans are available afterward based on your needs.

About one hour for a standard proposal, and a few hours for a highly detailed one. That's up to 5 times faster than writing it the traditional way.

Yes. You can freely edit the generated content, ask the AI to rewrite specific sections, or adjust the document after exporting to Word.

You can create an unlimited number of documents. Only the volume of pages generated depends on your subscription plan.

Absolutely. That's exactly where DocNexus shines: the AI guides you with precise questions and suggested answers. You don't need to be a skilled writer—just answer the questions and get a professional proposal.