In their own words

AI-generated code quality: what engineers are saying

AI coding agents write more code than ever. This is what engineers say is happening to its quality.

Quoted word for word from public posts, comments, articles and interviews. “…” marks words left out. Follow each link to read it in full. Updated October 8, 2026.

The LLM review passed it, the tests were fine… It’s just the code design had poor taste and poor long-term maintainability.
marmaramaHacker News · October 6, 2026Read in full Link to this quote
…I’ve read an AI change and thought it fine, but then later… notice it’s riddled with poor assumptions or lacking in good, obvious abstractions.
u/ItSeemedSoEasyr/ExperiencedDevs · Giving your codebase entirely to the AI · September 30, 2026Read in full Link to this quote
…code review getting paired down to no comment checkmarks, and codebases go to bloated messes that nobody can read.
taurathHacker News · Plan mode is dead · September 25, 2026Read in full Link to this quote
…extremely well tested and carefully reviewed slop.
u/gfivksiausuwjtjtnvr/ExperiencedDevs · How is your company handling merging code that doesn’t have a human reviewer? · September 23, 2026Read in full Link to this quote
Code reviews in ‘zombie’ state. It’s mostly theatre reviews now…
Gergely OroszAuthor of The Pragmatic EngineerX, LinkedIn and Bluesky · A few trends I see across the software engineering industry · September 11, 2026Read in full Archived copy Link to this quote
Everyone in the team has become simple rubber-stampers for whatever the AI puts out.
rglullisHacker News · September 25, 2026Read in full Link to this quote
…code maintainability and good architecture don’t have good measurements that we can apply…
Alexandru NedelcuSoftware developer, author of Monixalexn.org · AI Has No Wisdom and Neither Will You · September 22, 2026Read in full Link to this quote
…the core architecture is duplicated, and said duplication leads to bugs and weirdness.
u/vivshawr/softwarearchitecture · How do you assess the quality of an AI-generated codebase? · September 21, 2026Read in full Link to this quote
…tech debt is being created at unprecedented speeds…
u/sweaterpawsssStaff Engineer, 11 years’ experiencer/ExperiencedDevs · What's tech debt nowadays? · September 14, 2026Read in full Link to this quote
…a million lines of slop… The board loves it
u/Qwertycrackersr/ExperiencedDevs · Is gaming developer productivity metrics really a worthwhile battle? · September 12, 2026Read in full Link to this quote
The quality of the codebase decays precisely at the rate you stop reading the results.
luodaintHacker News · The Eternal Sloptember · May 25, 2026Read in full Link to this quote
…codebase quality is decreasing due to AI.
Gergely Orosz and Elin NilssonThe Pragmatic Engineer · AI’s impact on software engineers in 2026: key trends, Part 2 · May 19, 2026Read in full Archived copy Link to this quote
…nobody notices the underlying architecture decaying.
Mitchell HashimotoCo-founder of HashiCorpX and Mastodon · May 15, 2026Read in full Archived copy Link to this quote
Most of human review I see of AI code is rubber stamping at this point…
stackskiptonHacker News · April 17, 2026Read in full Link to this quote
We do not know… what happened to defects, maintainability, review effort, and rework.
xamutHacker News · July 14, 2026Read in full Link to this quote
The bad pattern isn't a one-off anymore, it's considered to be your style.
Scott RobinsonUnstack Softwareunstack.io · Write code like a human will maintain it · July 10, 2026Read in full Link to this quote
Issues caused by poor code are often lagging indicators…
yakattakHacker News · May 6, 2026Read in full Archived copy Link to this quote
…my eyes are the first eyes actually looking at the code generated.
u/stingraycharlesSoftware Engineer, 25 years’ experiencer/ExperiencedDevs · How are experienced teams preventing architectural drift as AI-assisted development scales? · May 2, 2026Read in full Link to this quote
With AI coding agents… you can accumulate years of technical debt in a matter of days.
Sung KimBluesky · April 25, 2026Read in full Archived copy Link to this quote
…look good in isolation but don’t realise Claude is duplicating existing methods…
u/Tiny_Ad_7720r/ExperiencedDevs · Saving challenging projects was my niche, but AI codebases are making me miserable · April 18, 2026Read in full Link to this quote
…throwing AI generated code + documentation into our codebase en masse… introduced a layer of complexity that we're now going to deal with forever…
NichoPaolucciHacker News · We need to talk about migrations with AI · August 28, 2026Read in full Link to this quote
…the abstractions are nonexistent…
u/VentheSystems Designer, 10+ years’ experiencer/ExperiencedDevs · The biggest problem with AI is not correctness - it is architecture sanity · June 10, 2026Read in full Link to this quote
Generating more code faster in isolation is simply the rapid accumulation of tech debt.
u/scrupleSoftware Engineer, 15+ years’ experiencer/ExperiencedDevs · Maximizing an operational step that isn't a bottleneck will not significantly improve the overall productivity of the system · June 3, 2026Read in full Link to this quote
…it's using tons of anti-patterns.
Jon HymanCo-founder and CTO, BrazeStack Overflow podcast · Rethinking engineering for the agentic era · May 13, 2026Read in full Archived copy Link to this quote
…AI’s design taste is mediocre.
Pete Hodgsonquoted in LeadDev · Use of AI has us creating more code than we can review · April 13, 2026Read in full Archived copy Link to this quote

Find out whether yours is engineered, or slop.

Xpoze measures your code's engineering quality against published research. In your environment, with your LLM.

Free beta access