Why I let AI review my AI-generated code

Here's how I catch the bugs before users do.

Hey builders,

Cursor + Opus 4.5 is the fastest way to build right now.

But here's the problem no one talks about:

AI-generated code has 1.7x more issues than human-written code.

This isn't opinion. This is data.

Here's how to stop shipping broken apps.

The real problem with vibe coding

AI writes clean-looking code. You deploy it. Users find bugs you missed.

CodeRabbit just released their "State of AI vs. Human Code Generation Report" in December 2025. They analyzed 470 open-source GitHub pull requests.

The findings are brutal:

  • 1.75x more logic errors than human-written code

  • 1.4x more critical issues overall

  • 2.74x more XSS vulnerabilities

  • 2x more business logic errors

  • 2x more error handling issues

  • 3x more readability and maintainability problems

  • 8x more excessive I/O operations

AI-coauthored PRs averaged 10.83 issues per PR. Human-authored? Just 6.45.

Critical issues jumped 40%. Major issues jumped 70%.

Speed is useless if the code breaks at 10 users.

Why Opus 4.5 is still worth using

Here's the thing, Opus 4.5 is genuinely incredible for coding.

It scored 80.9% on SWE-bench Verified. 59.3% on Terminal-Bench. These are state-of-the-art numbers.

What makes it different:

  • Handles long-horizon coding with up to 65% fewer tokens than previous models

  • Can complete multi-day development work in hours

  • Has an adjustable "effort" parameter (low/medium/high) for speed vs. thoroughness

  • Sustains 30-60 minute coding sessions without losing context

  • Self-improves with peak performance in about 4 iterations

It's fast. It's capable. It handles complex tasks without getting confused.

But it's still AI. It still hallucinates. It still makes mistakes.

The solution isn't to stop using it.

The solution is to add a review layer.

The fix is simple

Let AI write your code.

Let another AI review it.

You approve the final changes.

Three layers. Zero surprises.

The tool I use for this: CodeRabbit.

How it works inside Cursor

Install the CodeRabbit extension.

Make your changes. Commit locally.

CodeRabbit reviews your code instantly.

Copy the suggestions. Paste into Cursor agent. Fix in one click.

Repeat until clean.

CLI for terminal lovers

If you're using Claude Code or prefer the terminal:

Install:

curl -fsSL https://cli.coderabbit.ai/install.sh | sh

Run:

coderabbit review --plain

You get a detailed breakdown of every issue in your code.

What it actually catches

  • Security flaws

  • Race conditions

  • Missing error handling

  • Performance bottlenecks

  • Logic bugs from AI hallucinations

  • Missing tests

One of our client projects looked perfect. CodeRabbit flagged a race condition that was double-charging users.

That would've been a disaster in production.

Why Opus 4.5 + CodeRabbit is my current stack

Opus 4.5 writes code fast and handles complex tasks without getting confused.

But it's still AI. It still hallucinates.

CodeRabbit catches what Opus misses.

One AI builds. Another AI audits. I approve.

The workflow that actually works

  1. AI writes your code (Cursor + Opus 4.5)

  2. Another AI reviews it (CodeRabbit)

  3. You do the final approval

This is how we've shipped 50+ MVPs at the agency without breaking in production.

Quick recap

AI code = more bugs than human code.

Fix it with:

  • CodeRabbit on every commit

  • Opus 4.5 for speed

  • Cursor for the workflow

  • You for the final call

Ship fast. But ship safe.

Keep building,
~ Prajwal

PS: This is the exact workflow we use at IgnytLabs on every client project. I’m also planning to post a detailed video of this entire setup inside AI MVP Builders this month, since I’ve started rebuilding the whole Build Module for 2026.