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Implement Model-vs-Model AI Code Reviews for Quality Control

Use a second, more rigorous AI model like GPT-5.2 Codex to act as a critical 'staff engineer' that reviews code written by your primary, more creative AI like Claude. This multi-model approach ensures high velocity without sacrificing code quality or accumulating technical debt.

From How I AI

How I AI: CJ Hess on Building Custom Dev Tools and Model-vs-Model Code Reviews

with Claire Vo

Implement Model-vs-Model AI Code Reviews for Quality Control

Tools Used

Claude

Anthropic AI assistant

Codex

OpenAI's cloud-based AI software engineering agent that can execute code, run tests, and handle complex multi-file tasks autonomously.

Step-by-Step Guide

1

Generate Feature Code

Use your primary, 'creative' AI assistant (e.g., Claude) to write the initial code for a new feature. This is the 'vibe coding' phase focused on speed and getting a functional result.

Pro Tip: The post suggests a model like Claude is great for this phase due to its 'delightful' and 'steerable' nature for creative coding tasks.
2

Initiate a Structured Code Review

Invoke your second, 'critical' AI assistant (e.g., GPT-5.2 Codex) and feed it the code changes (e.g., a git diff). Use a structured prompt that asks it to check for specific quality aspects.

Prompt:
Take a look at our current git diff and give me a report on the following: 1. Does the code accurately reflect the plan/diagram artifacts? 2. Are there any general code smells? 3. If we were to do this again and take a different approach to refactor code around it to overall improve this code base, what approach would be best?
Pro Tip: Use a terminal alias (e.g., 'carl') to easily switch between your creative AI and your reviewer AI.
3

Analyze the AI-Generated Feedback

Review the detailed report from the 'reviewer' AI. Look for insights like discrepancies between the plan and implementation (visual bugs), classic code smells (missing dependencies), and strategic suggestions for refactoring.

Pro Tip: Treat this AI like a senior team member. It's configured to be rigorous and catch issues the primary, 'eager' AI might miss.
4

Implement the Suggested Improvements

After reviewing the feedback, simply instruct the 'reviewer' AI to implement the fixes and improvements it suggested. This closes the quality control loop and results in robust, well-structured code.

Prompt:
great, please make those improvements

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