I tested ChatGPT vs DeepSeek with 11 Sales prompts — here’s the surprising winner

Marketers, listen up. AI copywriting is a battlefield, and I just ran a brutal experiment. ChatGPT versus DeepSeek. 11 product pitches.

One clear winner. Some results shocked me, shattering myths about AI-generated content.

This isn’t just another tech comparison—it’s a roadmap to crafting killer marketing messages that convert. Are you curious about which AI tool will transform your sales strategy? Read on.

1. SaaS Product

Prompt:

Create a compelling sales pitch for our project management software, emphasizing its standout features like real-time collaboration, task automation, and customizable workflows. Show how it solves common pain points for remote teams and project managers, such as missed deadlines, communication gaps, and inefficiencies. Key details: cloud-based, integrates with 50+ tools, and offers a 14-day free trial.

ChatGPT Reply:

Deepseek Reply:

Winner: ChatGPT

Between the two responses, ChatGPT’s pitch is better. It’s shorter, clearer, and gets straight to the point. Deepseek’s version is too long and uses overblown marketing language like “revolutionize” and “empower” which can turn readers off.

2. Fitness Equipment

Prompt:

Develop a persuasive pitch for our smart home gym system, showcasing its unique features like AI-powered personal training, compact design, and interactive workouts. Explain how it tackles challenges busy professionals and fitness enthusiasts face, such as lack of time, high gym costs, and limited space. Key details: 12-month warranty, free delivery, and a 30-day money-back guarantee.

ChatGPT Reply:

Deepseek Reply:

Winner: ChatGPT

ChatGPT’s pitch wins again. It’s more focused, using bullet points effectively to highlight key features and benefits. Deepseek’s version is too verbose and formal, which could overwhelm potential buyers looking for quick, clear information.

3. Eco-Friendly Product

Prompt:

Craft a sales pitch for our reusable silicone food storage bags, highlighting their leak-proof design, dishwasher-safe material, and eco-friendliness. Demonstrate how they address issues like plastic waste, food spoilage, and storage clutter for environmentally conscious consumers and families. Key details: BPA-free, available in 3 sizes, and comes in a pack of 10.

ChatGPT Reply:

Deepseek Reply:

Winner: ChatGPT

ChatGPT’s pitch is more effective. It uses short, punchy sections with clear emoji markers and bullet points to highlight key benefits. Deepseek’s response is too long and formal, burying important selling points in lengthy paragraphs.

4. Luxury Travel Package

Prompt:

Write a captivating pitch for our all-inclusive luxury travel package to Bali, focusing on its private villas, personalized itineraries, and gourmet dining. Illustrate how it solves problems for high-net-worth individuals and couples, such as stressful planning, lack of exclusivity, and mediocre accommodations. Key details: includes first-class flights, spa treatments, and a private chauffeur.

ChatGPT Reply:

Deepseek Reply:

Winner: ChatGPT

ChatGPT’s pitch is the clear winner. It presents luxury travel benefits in clean, digestible sections with effective emoji use. It keeps the focus on what matters to high-end clients: comfort, exclusivity, and service.

Deepseek’s version reads like a travel brochure – it’s too long and formal, which could lose potential luxury clients who value quick, clear communication.

5. Online Course

Prompt:

Build a persuasive pitch for our digital marketing masterclass, emphasizing its live Q&A sessions, downloadable templates, and certification. Show how it helps entrepreneurs and marketers overcome challenges like lack of expertise, outdated strategies, and low ROI. Key details: 12 modules, lifetime access, and a 30-day satisfaction guarantee.

ChatGPT Reply:

Deepseek Reply:

Winner: ChatGPT

ChatGPT’s pitch wins. It delivers key information about the masterclass in a crisp, scannable format. The short sections with emojis draw attention to important features, and the benefits are stated clearly.

Deepseek’s version is too wordy and formal, making it harder for busy professionals to grasp the value proposition quickly.

6. Pet Product

Prompt:

Design a sales pitch for our self-cleaning litter box, showcasing its odor control, automatic waste disposal, and quiet operation. Explain how it solves common issues for cat owners, such as messy cleanup, unpleasant smells, and frequent maintenance. Key details: suitable for multi-cat households, easy to assemble, and comes with a 1-year warranty.

ChatGPT Reply:

Deepseek Reply:

Winner: Deepseek

Deepseek’s pitch is better – it uses clear emoji markers and concise bullet points to highlight key benefits like no scooping and odor control. ChatGPT’s lengthy, formal writing style isn’t right for a simple pet product.

7. Financial Service

Prompt:

Create a compelling pitch for our robo-advisor investment platform, highlighting its low fees, diversified portfolios, and AI-driven recommendations. Show how it helps young professionals and first-time investors tackle challenges like lack of knowledge, high brokerage fees, and risk management. Key details: no minimum balance required, 24/7 customer support, and a user-friendly app.

ChatGPT Reply:

Deepseek Reply:

Winner: ChatGPT

ChatGPT’s pitch stands out for investment marketing by using financial emojis and concise bullet points to make complex features accessible. It keeps information brief but thorough – ideal for busy young professionals. The tone strikes a perfect balance between approachable and professional, making investment concepts clear without oversimplifying.

8. Beauty Product

Prompt:

Write an engaging pitch for our anti-aging skincare serum, focusing on its hyaluronic acid, vitamin C, and cruelty-free formula. Demonstrate how it addresses concerns like fine lines, dull skin, and uneven texture for women aged 30+. Key details: clinically tested, vegan-friendly, and comes with a 60-day money-back guarantee.

ChatGPT Reply:

Deepseek Reply:

Winner: ChatGPT

ChatGPT’s pitch wins for skincare marketing by keeping the focus on key benefits with beauty-related emojis and short, clear bullet points. It speaks directly to skin concerns while highlighting the science and natural ingredients. The tone is sophisticated yet accessible, perfect for the target audience of women 30+.

9. Home Security System

Prompt:

Develop a persuasive pitch for our smart home security system, emphasizing its 24/7 monitoring, motion detection, and mobile app control. Show how it solves problems for homeowners and renters, such as theft, break-ins, and lack of peace of mind. Key details: wireless installation, compatible with Alexa and Google Home, and includes a 1-year service plan.

ChatGPT Reply:

Deepseek Reply:

Winner: Deepseek

Deepseek’s pitch is more effective for home security marketing. It leads with critical security features using relevant emojis and concise bullet points, making key benefits instantly clear. The short, focused sections communicate protection and peace of mind without overwhelming potential customers with too much technical detail.

10. Subscription Box

Prompt:

Craft a sales pitch for our monthly gourmet snack box, highlighting its curated international snacks, eco-friendly packaging, and surprise flavors. Explain how it addresses challenges for foodies and busy professionals, such as boring snacks, lack of variety, and time-consuming shopping. Key details: cancel anytime, free shipping, and a loyalty rewards program.

ChatGPT Reply:

Deepseek Reply:

Winner: ChatGPT

While both pitches highlight key features, ChatGPT’s format uses snack-themed emojis and concise bullet points that better appeal to busy professionals and foodies. The shorter format makes the subscription benefits, like free shipping and cancel-anytime policy, immediately clear without overwhelming potential customers with lengthy descriptions.

11. Real Estate Service

Prompt:

Create a persuasive pitch for our virtual home staging service, emphasizing its 3D renderings, fast turnaround, and affordable pricing. Demonstrate how it helps real estate agents and sellers overcome challenges like high staging costs, vacant properties, and low buyer interest. Key details: no physical furniture required, customizable designs, and a 100% satisfaction guarantee.

ChatGPT Reply:

Deepseek Reply:

Winner: Deepseek

The Deepseek version is the stronger pitch. It offers a more structured, comprehensive approach with clear problem-solving framing, detailed feature breakdowns, and a more professional tone. While the ChatGPT version is more visually striking with emojis, the Deepseek pitch provides more substantive information and a clearer value proposition for real estate agents and sellers.

Final Analysis

After an exhaustive analysis of 11 diverse product pitches, the results are crystal clear: ChatGPT dominated the AI copywriting arena. Scoring 8 wins out of 11 challenges, ChatGPT proved its prowess across industries ranging from luxury travel and financial services to pet products and skincare.

The key differentiator? ChatGPT consistently delivered concise, engaging, and targeted copy that spoke directly to consumer pain points. Its ability to craft punchy, emoji-enhanced bullet points and maintain a conversational tone set it apart. Deepseek, while competent, often fell short with overly formal language and verbose descriptions that risked losing reader attention.

Only in specific categories like home security and pet products did Deepseek edge out, demonstrating that AI copywriting isn’t one-size-fits-all. The experiment underscores a critical insight: effective marketing copy requires not just information, but strategic storytelling that resonates with the target audience.

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