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I Made Codex and Claude Code Build the Same App. One Clearly Won.

Nate Herk | AI Automation14 August 2026Watch on YouTube

Part of series

Ep. 11 · Beter webdesign met AI

Analyse en tutorials over hoe je AI-tools inzet voor hoogwaardiger, onderscheidend webdesign in plaats van generieke resultaten.

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Description

My playbook for growing a $1M AI agency: https://app.aiautomationsociety.ai/opaa-ads-optin My FREE resources: https://www.skool.com/ai-automation-society/about?el=codex-vs-claude-app&hcategory=youtube-videos&utm_campaign=free-group My Tools💻 FREE MONTH voice to text: https://get.glaido.com/nate Code NATEHERK for 10% off VPS (annual plan): https://www.hostinger.com/vps/claude-code-hosting I gave Claude Code and Codex the exact same prompt to build a production-ready Typeform alternative, then compared the products, costs, speed, agent usage, and testing. Claude Code built the more usable app in a fraction of the time, while Codex went much deeper on architecture and reliability. This experiment made it much clearer where each tool fits in my workflow and why the way you prompt them matters. Sponsorship Inquiries: 📧 nate@smoothmedia.co Connect with me: https://www.linkedin.com/in/nateherkelman/ https://x.com/nateherk https://www.instagram.com/nateherk/ TIMESTAMPS 0:00 Same Prompt, Different Results 0:26 The Build Prompt 1:32 Testing RillForm 6:07 Testing Formora 11:52 The Reveal 12:46 Cost, Tokens & Speed 14:30 Agents, Tools & Tests 15:44 What Each Tool Does Best 20:06 Final Takeaways

What you'll learn

  • Claude Code built a more usable application faster than Codex, making it better suited for rapid prototypes and production-ready apps
  • Codex goes deeper into architecture and reliability, fitting better for projects where solid technical foundation is the priority
  • How you prompt AI agents determines the outcome and where each tool excels, regardless of the tool's raw capabilities
  • Claude Code was significantly cheaper and faster in tokens and build speed than Codex for the same task
  • Both tools complement each other in a workflow: Claude Code for quick iteration, Codex for deep architectural work

Frequently asked questions

Which tool built the better Typeform application and why?
Claude Code built the more usable application in significantly less time and at lower cost. Codex focused more on architectural depth and reliability, resulting in a more solid but complex end product.
How do Claude Code and Codex differ in cost and speed?
Claude Code was significantly cheaper and faster in token consumption and build speed than Codex for the same task. The cost differences and speed depend on the project and how you deploy them.
What determines whether to choose Claude Code or Codex for a project?
The choice depends on your priorities: Claude Code is better for rapid prototypes and production-ready apps, Codex for projects where thorough architecture and reliability come first. Prompting strategy also plays a major role.
Why is the way of prompting important for the result?
How you instruct the AI agent determines what kind of solution you get. The same prompt can lead to different approaches and qualities depending on the tool and clarity of your instructions.

Topics

ai-agentscode-generationclaudeproduct-comparisonai-workflow