Are you tired of conflicting opinions about AI writing tools? I recently put ChatGPT and DeepSeek through their paces with 11 rigorous technical writing challenges. What I discovered shocked me.
The results revealed stark differences in how these AI assistants handle complex documentation tasks, from API guides to user manuals.
If you’re wondering which tool delivers superior technical content, this detailed comparison will transform your approach to AI-assisted technical writing.
1. Software Installation Guide
Prompt:
Requirement: Write a step-by-step guide for installing a popular software application (e.g., Adobe Photoshop, Microsoft Office) on Windows and macOS.
Information: Include system requirements, download instructions, installation steps, and troubleshooting tips for common errors.
Audience: Beginner users with no technical background.ChatGPT Reply:
Deepseek Reply:
Winner: Deepseek
Deepseek wins by providing more thorough, beginner-friendly instructions with detailed steps and better context, while ChatGPT offers a more visually appealing but less comprehensive guide.
2. API Documentation
Prompt:
Requirement: Document a REST API for a fictional e-commerce platform.
Information: Include endpoints, request/response examples, authentication methods, error codes, and rate-limiting details.
Audience: Developers integrating the API into their applications.ChatGPT Reply:
Deepseek Reply:
Winner: Deepseek
Deepseek’s API documentation emerges as the winner with its more comprehensive and professional approach. It provides detailed OAuth 2.0 authentication, clearer endpoint organization, thorough request/response examples, and specific use cases.
The documentation better serves developers with practical implementation guidance and complete error-handling details.
3. User Manual for a Smart Home Device
Prompt:
Requirement: Create a user manual for a smart thermostat.
Information: Cover setup, Wi-Fi configuration, mobile app integration, scheduling, and troubleshooting.
Audience: Homeowners with basic technical knowledge.ChatGPT Reply:
Deepseek Reply:
Winner: Deepseek
Deepseek’s manual is the clear winner. It provides more detailed and organized information with comprehensive sections, better formatting, and clearer step-by-step instructions.
Adding specific features like “Energy Saving Tips,” detailed error codes, and maintenance tips makes it more user-friendly and practical for homeowners with basic technical knowledge.
4. Troubleshooting Guide for Network Issues
Prompt:
Requirement: Write a troubleshooting guide for resolving common home network issues.
Information: Include steps for diagnosing connectivity problems, resetting routers, checking IP configurations, and contacting ISPs.
Audience: Non-technical users experiencing internet connectivity problems.ChatGPT Reply:
Deepseek Reply:
Winner: ChatGPT
ChatGPT’s guide is better because it’s more concise and user-friendly for non-technical users. It presents troubleshooting steps in a clearer, more digestible format with simpler language and better organization.
The steps are more straightforward, avoiding technical jargon while still providing essential solutions for common network issues.
5. Release Notes for a Mobile App
Prompt:
Requirement: Draft release notes for a new version of a fitness tracking app.
Information: Highlight new features, bug fixes, known issues, and compatibility updates.
Audience: Existing users of the app.ChatGPT Reply:
Deepseek Reply:
Winner: Deepseek
Deepseek’s release notes are superior as they provide more comprehensive and organized information.
The notes include clear categorization, detailed feature explanations, specific compatibility details, and helpful update instructions. The addition of a “How to Update” section and more detailed descriptions of features make it more user-friendly and informative.
6. Technical Blog Post on Cybersecurity
Prompt:
Requirement: Write a blog post explaining the importance of two-factor authentication (2FA).
Information: Discuss how 2FA works, its benefits, and step-by-step instructions for enabling it on popular platforms like Google and Facebook.
Audience: General internet users are concerned about online security.ChatGPT Reply:
Deepseek Reply:
Winner: Deepseek
Deepseek’s blog post is superior because it provides more comprehensive and well-organized content. It better explains the different types of 2FA factors, offers more detailed security insights, and presents information more engagingly.
The writing style is more conversational while maintaining professionalism and clarity.
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7. Standard Operating Procedure (SOP) for Data Backup
Prompt:
Requirement: Create an SOP for backing up company data using cloud storage.
Information: Include steps for selecting files, scheduling backups, verifying data integrity, and restoring data.
Audience: IT staff and employees responsible for data management.ChatGPT Reply:
Deepseek Reply:
Winner: Deepseek
Deepseek’s SOP is superior because it provides more comprehensive and detailed instructions. It includes additional crucial sections like choosing a cloud provider, conducting disaster recovery drills, and maintaining backup procedures.
The formatting is clearer, and each step contains more actionable details and best practices for IT staff.
8. FAQ Document for a SaaS Product
Prompt:
Requirement: Develop an FAQ document for a project management SaaS tool.
Information: Address common questions about pricing, features, integrations, and support.
Audience: Potential and existing customers.ChatGPT Reply:
Deepseek Reply:
Winner: Deepseek
Deepseek’s FAQ document is superior as it provides more organized, detailed answers with better formatting and a more natural conversational tone that effectively addresses both potential and existing customers’ needs.
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I Tested ChatGPT vs DeepSeek With 11 Problem-Solving Prompts — Here’s The Surprising Winner
9. Technical White Paper on Blockchain Technology
Prompt:
Requirement: Write a white paper explaining the fundamentals of blockchain technology.
Information: Cover topics like distributed ledgers, consensus mechanisms, smart contracts, and use cases in finance and supply chain.
Audience: Business executives and tech enthusiasts.ChatGPT Reply:
Deepseek Reply:
Winner: ChatGPT
ChatGPT’s white paper is more comprehensive with better organization and depth of technical information.
It provides clearer explanations of complex concepts, includes more detailed examples, and offers a stronger focus on real-world applications. The addition of references and a proper academic structure makes it more credible.
10. Quick Start Guide for a Drone
Prompt:
Requirement: Create a quick start guide for a consumer drone.
Information: Include unboxing instructions, battery charging, remote pairing, basic flight controls, and safety tips.
Audience: First-time drone users.ChatGPT Reply:
Deepseek Reply:
Winner: ChatGPT
ChatGPT’s quick start guide wins because it offers better organization with clearer headings, more concise instructions, and a more logical flow.
The step-by-step format is easier to follow for first-time users, and safety tips are integrated more naturally throughout the guide rather than just at the end.
11. Technical Report on Renewable Energy Systems
Prompt:
Requirement: Write a report comparing solar, wind, and hydroelectric energy systems.
Information: Discuss efficiency, cost, environmental impact, and scalability for each system.
Audience: Policy makers and environmental researchers.ChatGPT Reply:
Deepseek Reply:
Winner: Deepseek
Deepseek’s report is superior because it includes a clear executive summary, better cost breakdowns with specific operational costs, and a more detailed discussion of capacity factors.
The addition of specific maintenance costs and a more nuanced analysis of environmental impacts makes it more valuable for policymakers.
Final Analysis: ChatGPT vs DeepSeek
Overall Score
DeepSeek: 8 ChatGPT: 3
Where DeepSeek Excelled?
- Superior technical documentation structure
- More comprehensive API documentation
- Better-organized user manuals
- More detailed troubleshooting guides
- Stronger white paper development
Where ChatGPT Shined
- More user-friendly FAQ creation
- Better at simplifying complex concepts
- Clearer step-by-step instructions
Key Takeaway
DeepSeek emerged as the stronger tool for technical writing tasks, particularly excelling in structured documentation and detailed technical analysis.
While ChatGPT showed strengths in user-focused content, DeepSeek’s ability to handle complex technical information and maintain consistent formatting makes it the preferred choice for professional technical documentation.
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