How to Write a Business Proposal with DALL-E

DALL-E, the AI image generation tool developed by OpenAI, can transform your business proposals into visually striking documents. Although DALL-E does not write the text of your proposal, it allows you to create professional custom visuals: concept illustrations, product mockups, stylized infographics, and header images that capture your prospects' attention. A business proposal enriched with custom visuals stands out significantly from generic documents using stock images. In this tutorial, you will learn how to leverage DALL-E to design each key visual element of your proposal, from the cover page to explanatory diagrams, to strengthen your credibility and maximize your conversion rate.

Prerequisites

1.An OpenAI account with access to DALL-E 3 (via ChatGPT Plus or the API)
2.The textual content of your business proposal already written or structured
3.A defined visual identity (colors, logo, corporate style guide of your company)
4.A layout software (Google Docs, Canva, PowerPoint, or InDesign) to assemble the final document

Steps

Create a Professional Cover Page

First impressions matter. Use DALL-E to generate a cover image that reflects your industry and the proposal topic. Choose a visual style consistent with your brand: minimalist, corporate, or creative depending on your target audience. Then integrate this image into your document template, overlaying the proposal title and your logo.

Create a professional cover image for a business proposal in the [YOUR_SECTOR] sector. Modern corporate style, [YOUR_BRAND_COLORS] tones, clean composition with empty space on the right for text. Landscape format 16:9, high-end photorealistic rendering.

Tip: Always specify the space reserved for text in your prompt to prevent the image from being too cluttered and unusable as a page background.

Illustrate Your Solution and Services

Each key section of your proposal deserves an explanatory visual. Generate conceptual illustrations to represent your methodology, services, or product. These visuals help the prospect envision themselves and make abstract concepts more tangible. Create 2-3 consistent illustrations to accompany the main sections of your offer.

Conceptual illustration showing [DESCRIPTION_OF_YOUR_SERVICE/SOLUTION] in a professional flat design style. Color palette: [YOUR_COLORS]. White background, no text, centered composition suitable for A4 document.

Tip: Maintain a uniform visual style across all your illustrations by reusing the same style terms in each prompt (e.g., 'professional flat design, navy blue and gold palette').

Generate Visuals for the Results and Benefits Section

The results section is decisive for convincing. Create metaphorical visuals that illustrate growth, performance, or the promised transformation. These images reinforce your numbers and testimonials. You can also generate backgrounds for your data charts or custom icons for your key performance indicators.

Metaphorical image representing growth and business success: [E.G.: a rocket taking off from an ascending graph]. Isometric 3D style, [YOUR_BRAND_COLORS] colors, transparent or white background, no text. Clean and professional rendering.

Tip: Avoid overly clichéd visual metaphors (handshake, lightbulb). Opt for original visuals that differentiate your proposal from the competition.

Design Process Diagrams and Visual Timelines

Your prospect wants to understand how you will work together. Generate visuals representing your workflow, delivery timeline, or step-by-step methodology. DALL-E can create visual bases that you will complete with text in your layout tool. This advantageously replaces basic PowerPoint diagrams.

Professional visual diagram showing a [NUMBER]-step process, arranged horizontally with icons connected by arrows. Modern and clean infographic style, [YOUR_COLORS] colors, white background, no text. Each step represented by a distinct icon in a circle.

Tip: DALL-E may generate incorrect text in images. Always request 'no text' visuals and add your labels manually in Canva or PowerPoint for a flawless result.

Assemble and Harmonize All Visuals in Your Document

Gather all generated visuals and integrate them into your business proposal. Check overall visual consistency: same color palette, same graphic style, same level of detail. Adjust if necessary by regenerating certain images with refined prompts. Export your final proposal as a high-resolution PDF, ensuring all images remain sharp for printing.

Horizontal decorative banner for section separator in a professional document. Subtle geometric pattern in [YOUR_BRAND_COLORS] tones, minimalist style, fine height (10:1 ratio), transparent background.

Tip: Create a client-specific visual resource folder to quickly reuse and adapt your DALL-E visuals for future similar proposals.

Common mistakes to avoid

✗Using DALL-E to generate text in images: text rendering is often incorrect. Always generate visuals without text and add labels manually.
✗Mixing different graphic styles in the same proposal (photorealistic + cartoon + flat design), which gives an amateur and inconsistent result.
✗Overloading the proposal with AI-generated visuals to the detriment of textual content: images should support your argument, not replace it.
✗Neglecting image resolution: always download visuals at maximum resolution to ensure professional print quality.
✗Forgetting to adapt visuals to the prospect's brand guidelines when relevant, showing a lack of personalization in your approach.

FAQ

Can DALL-E write the text of my business proposal?

No, DALL-E is exclusively an image generator. For text writing, use a language model like ChatGPT or Claude. DALL-E is used to create visuals that accompany and reinforce your written content: covers, illustrations, diagrams, and custom graphic elements.

Which version of DALL-E should I use for professional visuals?

DALL-E 3 is highly recommended for business proposals. It offers better understanding of detailed prompts, more accurate rendering, and superior image quality compared to previous versions. It is accessible via ChatGPT Plus or the OpenAI API.

Can I use DALL-E images commercially in my proposals?

Yes, according to OpenAI's terms of use, images generated with DALL-E belong to you and can be used for commercial purposes, including in your proposals and client documents. However, always check the latest terms on OpenAI's website.

How do I maintain visual consistency across all generated images?

Create a 'base prompt' containing your visual constants (style, colors, mood) and add it to each generation. For example: 'flat design style, navy blue #1B2A4A and gold #C4A35A palette, white background, no text'. Save this base prompt to reuse systematically.

How to use this prompt

Copy the prompt with the button above.
Paste it into ChatGPT, Claude or your favorite AI assistant.
Replace the bracketed variables with your details, then refine the result.

About Prompt Guide

Prompt Guide is a free library of 2500+ ready-to-use prompts for ChatGPT, Claude and other AIs, with guides to learn prompting and tools to build and optimize your own prompts.

Prompt library Learn prompting Prompt builder Prompt optimizer

More tutorials

How to Write a Business Proposal with Gemini

Writing a compelling business proposal is a strategic exercise that requires both rigor and persuasion. Thanks to Gemini, the artificial intelligence from Google, you can significantly speed up this process while producing a professional and personalized document. Gemini helps you structure your argument, adapt your tone to the prospect, price your offer, and anticipate objections. In this tutorial, you will learn how to use Gemini step by step to create a complete business proposal, from analyzing the client's need to finalizing the document. Whether you are a freelancer, salesperson, or SME manager, this method will save you time and increase your conversion rate.

How to Write a Business Proposal with GitHub Copilot

GitHub Copilot, GitHub's AI assistant, is not limited to code generation. Thanks to its natural language understanding capabilities, it can help you

How to Write a Business Proposal with Midjourney

Midjourney is an AI image generation tool that can transform your business proposals into visually striking documents.

How to Write a Business Proposal with Mistral

Writing a compelling business proposal is a strategic exercise that requires both rigor and creativity. Thanks to Mistral, the leading French AI, you can significantly accelerate this process while maintaining a high level of quality. Mistral helps you structure your pitch, customize your offer according to the prospect, and produce a professional document ready to send. In this tutorial, you will learn how to leverage Mistral step by step to create impactful business proposals that maximize your conversion chances. Whether you are a freelancer, a salesperson, or a SME manager, this method will save you valuable time while improving the quality of your business documents.

How to Write a Business Proposal with Perplexity

Writing a compelling business proposal is an exercise that requires both in-depth knowledge of the client, rigorous structuring, and a persuasive argument. This tutorial guides you step by step to turn Perplexity into a true business writing assistant.

How to Write a Business Proposal with Sora

Writing a compelling business proposal is a strategic exercise that can make the difference between winning a contract or losing an opportunity. With Sora, OpenAI's video generation tool, you can now enrich your business proposals with immersive visual content that captures your prospects' attention. Imagine presenting your solution with a realistic demo video, illustrating use cases, or creating a convincing scenario — all generated by AI. In this tutorial, we guide you step by step to integrate Sora into your proposal writing process, so you can produce proposals that stand out visually and strengthen your sales pitch.

Get new prompts every week

Join our newsletter.