Hacker ApprovedDepartments

GitHub Copilot code review

Ranked 2 of 5 AI code reviewers by recommenders

People recommend it for catching niche bugs and issues humans miss, with more useful findings than older diff-only linters. The most common caveat is false positives and noisy comments.

People recommend it for catching niche bugs and issues humans miss, with more useful findings than older diff-only linters. The most common caveat is false positives and noisy comments.

40 people gave an opinion

recommend it
14
criticize it
26
approval share
35%
Each figure is one person. RecommendsCriticizes

Recommended in 8 of 13 months

  1. November 2025: not recommended
  2. December 2025: recommended
  3. January 2026: recommended
  4. February 2026: recommended
  5. March 2026: recommended
  6. April 2026: recommended
  7. May 2026: not recommended
  8. June 2026: recommended
  9. July 2026: not recommended
  10. August 2026: not recommended
  11. September 2026: recommended
  12. October 2026: recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 14 people recommend itNeeds 10 or more, met.
  • 0.5 recommenders for every criticNeeds 2 to 1 or better, not met.
  • Recommended in 8 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Finds niche issues humans miss

    “some of them are actual findings of issues that simply would have gone unaddressed previously”

    Comment from 19 Oct 2026 in “The reverts will continue until morale improves”

    “generally pretty good at finding niche issues that aren't as easily caught by humans”

    Comment from 10 Mar 2026 in “Code Review for Claude Code”

    “But I've found a bunch of bugs this way too.”

    Comment from 16 Jan 2026 in “Supply Chain Vuln Compromised Core AWS GitHub Repos & Threatened the AWS Console”
  • Generally good, works well

    “Copilot code review is amazing. I use it all the time.”

    Comment from 18 Dec 2025 in “AI helps ship faster but it produces 1.7× more bugs”

    “copilot reviews on Github are surprisingly insightful”

    Comment from 15 Mar 2026 in “Ask HN: How is AI-assisted coding going for you professionally?”

    “works fine for me, much better than I expected”

    Comment from 10 Mar 2026 in “Code Review for Claude Code”
  • Better than linters or diff-only CI

    “I found it to be WAY better than our prior CI reviews that just looked at diff and had TONs of false positives.”

    Comment from 15 Sep 2026 in “GPT-5.6 Luna vs. GPT-6 Astra: Is a $1.20 Model Good Enough for Code Review?”

    “GH Copilot is definitely far better than just a linter.”

    Comment from 26 Jan 2026 in “There Is an AI Code Review Bubble”
  • Simple optional feature, integrates well

    “Github Copilot review is such a simple - optional - ux, it makes sense as a feature.”

    Comment from 3 Dec 2025 in “Zig quits GitHub, says Microsoft's AI obsession has ruined the service”

    “it does a great job, integrates very well with the PR comment system”

    Comment from 26 Jan 2026 in “There Is an AI Code Review Bubble”

What people warn about

Each mark is one comment

  • False positives and nit-picky comments

    “the vast majority of them are false positives”

    Comment from 16 Jan 2026 in “Supply Chain Vuln Compromised Core AWS GitHub Repos & Threatened the AWS Console”

    “tends to miss actual bugs and report nonexistent bugs, making it worse than useless”

    Comment from 4 Dec 2025 in “Everyone in Seattle hates AI”

    “noticed this "low quality nit-picky" style of review comments as well”

    Comment from 14 Apr 2026 in “The exponential curve behind open source backlogs”
  • Costs money, double billing for minutes

    “GitHub Copilot Code Review is four cents per review once you're outside of the credits included with your subscription.”

    Comment from 9 Mar 2026 in “Code Review for Claude Code”

    “Double billing for minutes and tokens is intentional obfuscation.”

    Comment from 28 Apr 2026 in “GitHub Copilot code review will start consuming GitHub Actions minutes”

    “Why would non-actions activity consume actions budget?”

    Comment from 28 Apr 2026 in “GitHub Copilot code review will start consuming GitHub Actions minutes”
  • Hard to verify, unreliable comments

    “it is extremely unreliable and hard to monitor”

    Comment from 7 Feb 2026 in “GitHub Actions Is Slowly Killing Your Engineering Team”

    “it’s started writing really difficult to verify review comments”

    Comment from 30 Oct 2026 in “Ask HN: Are you tired too in this AI era?”

Other AI code reviewers people recommend

The four most recommended other AI code reviewers, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

GitHub Copilot code review compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Cursor Bugbot27682%9—Approved
GitHub Copilot code reviewThis page142635%8——
Greptile91538%5——
Caliper50100%5——
Cubic AI code reviewer5183%4——
See all 5 AI code reviewers, ranked

What people said

40 of the 43 comments that mention it, newest first. Each links to the original comment.

“it’s started writing really difficult to verify review comments”

CriticizesComment from 30 Oct 2026 in “Ask HN: Are you tired too in this AI era?”

“Not only did copilot eat up all my bloody llm credits”

CriticizesComment from 27 Oct 2026 in “I will no longer upload to NEW”

“some of them are actual findings of issues that simply would have gone unaddressed previously”

MixedComment from 19 Oct 2026 in “The reverts will continue until morale improves”

“It misses too much and has too many wrong findings.”

CriticizesComment from 28 Sep 2026 in “There is more to code review than (automatable) detection”

“I found it to be WAY better than our prior CI reviews that just looked at diff and had TONs of false positives.”

RecommendsComment from 15 Sep 2026 in “GPT-5.6 Luna vs. GPT-6 Astra: Is a $1.20 Model Good Enough for Code Review?”

“it recently introduced a monster of a misfeature that caused a massive increase in complexity over time”

CriticizesComment from 14 Sep 2026 in “GPT-5.6 Luna vs. GPT-6 Astra: Is a $1.20 Model Good Enough for Code Review?”

“GitHub's copilot review feature is an equally miserable experience.”

CriticizesComment from 21 Aug 2026 in “Stop Anthropomorphizing Intermediate Tokens as Reasoning/Thinking Traces”

“it often will tell them to you bit by bit over 2-3 runs after you fix the previous issues”

MixedComment from 15 Jun 2026 in “Why Is Claude Turning into an a**Hole?”

“co-pilot code reviews don't add a lot of value”

CriticizesComment from 17 May 2026 in “I don't think AI will make your processes go faster”

“These aren't products that need to run on a CI system.”

CriticizesComment from 5 May 2026 in “Yet Another GitHub Incident”

“we don't review the code ourselves, but the project is growing faster than their context windows”

CriticizesComment from 5 May 2026 in “Days Without GitHub Incidents”

“a very unprofitable service propped up by investor money trying to capture market share”

CriticizesComment from 28 Apr 2026 in “GitHub Copilot code review will start consuming GitHub Actions minutes”

“Turning compute into excrement as fast as the planet is filled with it.”

CriticizesComment from 28 Apr 2026 in “GitHub Copilot code review will start consuming GitHub Actions minutes”

“Double billing for minutes and tokens is intentional obfuscation.”

CriticizesComment from 28 Apr 2026 in “GitHub Copilot code review will start consuming GitHub Actions minutes”

“enabling Copilot reviews globally for a large proportion of Github was a bit hasty.”

CriticizesComment from 28 Apr 2026 in “GitHub Actions is the weakest link”

“They even litter your Actions tab list and Deployment environments.”

CriticizesComment from 28 Apr 2026 in “GitHub Copilot code review will start consuming GitHub Actions minutes”

“It gives a false message that the PR is resonating with folks and has real activity.”

CriticizesComment from 28 Apr 2026 in “GitHub Copilot code review will start consuming GitHub Actions minutes”

“I don't like it, though. If I were an enterprise my first response would be to turn it off.”

CriticizesComment from 28 Apr 2026 in “GitHub Copilot code review will start consuming GitHub Actions minutes”

“Why would non-actions activity consume actions budget?”

CriticizesComment from 28 Apr 2026 in “GitHub Copilot code review will start consuming GitHub Actions minutes”

“Which as a side effect doubled the time (or so) to do a review.”

CriticizesComment from 28 Apr 2026 in “GitHub Copilot code review will start consuming GitHub Actions minutes”

“noticed this "low quality nit-picky" style of review comments as well”

CriticizesComment from 14 Apr 2026 in “The exponential curve behind open source backlogs”

“copilot code review is great”

RecommendsComment from 4 Apr 2026 in “How many products does Microsoft have named 'Copilot'? I mapped every one”

“copilot code review agent is pretty good at catching when code and comments diverge”

RecommendsComment from 1 Apr 2026 in “The Claude Code Source Leak: fake tools, frustration regexes, undercover mode”

“copilot reviews on Github are surprisingly insightful”

RecommendsComment from 15 Mar 2026 in “Ask HN: How is AI-assisted coding going for you professionally?”

“I have yet to get a worthwhile GitHub Copilot review.”

CriticizesComment from 13 Mar 2026 in “Code Review for Claude Code”

“works fine for me, much better than I expected”

RecommendsComment from 10 Mar 2026 in “Code Review for Claude Code”

“generally pretty good at finding niche issues that aren't as easily caught by humans”

RecommendsComment from 10 Mar 2026 in “Code Review for Claude Code”

“The noise it generates easily costs that much in wasted time.”

CriticizesComment from 9 Mar 2026 in “Code Review for Claude Code”

“GitHub Copilot Code Review is four cents per review once you're outside of the credits included with your subscription.”

MixedComment from 9 Mar 2026 in “Code Review for Claude Code”

“copilot was having negative value in that context”

CriticizesComment from 10 Feb 2026 in “Another GitHub outage in the same day”

“it is extremely unreliable and hard to monitor”

MixedComment from 7 Feb 2026 in “GitHub Actions Is Slowly Killing Your Engineering Team”

“GH Copilot is definitely far better than just a linter.”

RecommendsComment from 26 Jan 2026 in “There Is an AI Code Review Bubble”

“it does a great job, integrates very well with the PR comment system”

RecommendsComment from 26 Jan 2026 in “There Is an AI Code Review Bubble”

“But I've found a bunch of bugs this way too.”

MixedComment from 16 Jan 2026 in “Supply Chain Vuln Compromised Core AWS GitHub Repos & Threatened the AWS Console”

“it also reviews any PRs you create on any repo and marks these as if you requested the review. Unacceptable.”

CriticizesComment from 16 Jan 2026 in “Ask HN: Does GitHub Copilot now leave unsolicited PR review comments?”

“the vast majority of them are false positives”

MixedComment from 16 Jan 2026 in “Supply Chain Vuln Compromised Core AWS GitHub Repos & Threatened the AWS Console”

“it added that many dumb questions/suggestions”

CriticizesComment from 22 Dec 2025 in “Get an AI code review in 10 seconds”

“Copilot code review is amazing. I use it all the time.”

RecommendsComment from 18 Dec 2025 in “AI helps ship faster but it produces 1.7× more bugs”

“tends to miss actual bugs and report nonexistent bugs, making it worse than useless”

CriticizesComment from 4 Dec 2025 in “Everyone in Seattle hates AI”

“Github Copilot review is such a simple - optional - ux, it makes sense as a feature.”

RecommendsComment from 3 Dec 2025 in “Zig quits GitHub, says Microsoft's AI obsession has ruined the service”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.