Build Daily

Tinley Park · August 23, 2026
Nate Herk | AI AutomationAug 14, 2026

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

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What it covers

The creator gives Claude Code and Codex the same prompt to build a Typeform alternative and compares their outputs. The video analyzes usability, cost, speed, architecture, and testing to determine which tool is better for different workflow needs.

The outline

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  1. 0:00

    Same Prompt, Different Results

    The video introduces an experiment where two AI coding tools are given identical instructions with differing outcomes.

  2. 0:26

    The Build Prompt

    This chapter details the exact prompt used to instruct both Claude Code and Codex to build a production-ready Typeform alternative.

  3. 1:32

    Testing RillForm

    The creator tests RillForm, one of the generated apps, by evaluating its usability and features against the original requirements.

  4. 6:07

    Testing Formora

    The creator tests Formora, the second generated app, by assessing its functionality and user experience in comparison to the first tool.

  5. 11:52

    The Reveal

    This section reveals which AI coding tool was responsible for building each of the two competing applications.

  6. 12:46

    Cost, Tokens & Speed

    The video compares the financial cost, token usage, and generation speed required by Claude Code and Codex during the build process.

  7. 14:30

    Agents, Tools & Tests

    This chapter examines how each tool utilized agents, external tools, and testing frameworks to complete the development task.

  8. 15:44

    What Each Tool Does Best

    The creator analyzes the specific strengths of each platform, noting that one excelled in usability while the other focused on architecture and reliability.

  9. 20:06

    Final Takeaways

    The video concludes with final insights on where each AI coding tool fits best within a developer's workflow and why prompt engineering is critical.

Tool fit over tool wars

Comparing two coding agents on the same prompt shows that speed, cost, and output quality depend on the specific task rather than a single winner. For solo builders, choosing between tools is less about brand loyalty and more about matching the workflow to what each agent does well.