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Index › IT › Developer platform › CI/CD › GitHub Actions vs GitLab CI/CD
CI/CD platforms · November 2026 Edition

GitHub Actions vs GitLab CI/CD

Twelve of fourteen models named GitHub Actions first on the direct prompt; six named GitLab CI/CD. Both were named by all fourteen models and GitHub Actions carries 75 labels and GitLab CI/CD 79, so the shares are not directly comparable.

GitHub Actions

endorsed leader

Named in two categories this edition.

GitLab CI/CD

endorsed leader

Named in one category this edition.

First-choice share70%30%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate8%10%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#1#2A position in a field of 13; printed, not drawn.
Labels7579A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, GitHub Actions reading right to left. Rank and label count are printed, not drawn.

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category; every quote names the model and the prompt it came from. Both figures come from the CI/CD platforms page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
GitHub ActionsFirst choices, of fourteen modelsGitLab CI/CD
Direct126
Paraphrase106
Comparative93
Budget-constrained1431 against GitLab CI/CD
Scale-constrained32
Negative116 against GitHub Actions · 7 against GitLab CI/CD
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.

Across every category in the November 2026 Edition, GitHub Actions and GitLab CI/CD were named in the same answer 215 times, of the 228 answers naming GitHub Actions and the 235 naming GitLab CI/CD. In those answers GitLab CI/CD took the first choice thirty times and GitHub Actions 105.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where GitHub Actions and GitLab CI/CD stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
Claude Haiku 4.5
GPT-5.4 mini
Gemini 3.5 Flash
Perplexity Sonar
Grok 4.20
Mistral Small
DeepSeek V4 Flash
Llama 4 Maverick
Qwen 3.7 Flash
Kimi K2
GLM 4.7 FlashX
MiniMax M2.5
GPT-6 Luna
Muse Glimmer 30B
GitHub Actions GitLab CI/CD first choice named as an alternative argued againstblank: not namedEach cell is one answer, GitHub Actions on the left and GitLab CI/CD on the right.

The direct prompt

The plain question, one answer per model, grouped by where GitHub Actions and GitLab CI/CD stood in it.

Both were the first choice

4 of 14 modelsThe answer named them together, and the judge labeled each a first choice.
Claude Haiku 4.5GitHub Actions, GitLab CI/CD
Gemini 3.5 FlashGitHub Actions, GitLab CI/CD alternatives: Argo CD, Buildkite, Harness, Octopus Deploy
Qwen 3.7 FlashGitHub Actions, GitLab CI/CD alternatives: CircleCI
Kimi K2GitHub Actions, GitLab CI/CD alternatives: Azure Pipelines, CircleCI

GitHub Actions first, GitLab CI/CD an alternative

8 of 14 modelsGitLab CI/CD was named in the answer but not as the choice, or not at all.
Perplexity SonarGitHub Actions alternatives: Buildkite, GitLab CI/CD
Grok 4.20GitHub Actions alternatives: GitLab CI/CD, Semaphore
Mistral SmallGitHub Actions alternatives: GitLab CI/CD
DeepSeek V4 FlashGitHub Actions alternatives: CircleCI, GitLab CI/CD
Llama 4 MaverickGitHub Actions
GLM 4.7 FlashXGitHub Actions alternatives: Azure Pipelines, Bitbucket Pipelines, CircleCI, GitLab CI/CD
GPT-6 LunaGitHub Actions alternatives: Buildkite, GitLab CI/CD
Muse Glimmer 30BGitHub Actions alternatives: Azure DevOps, CircleCI, GitLab CI/CD

GitLab CI/CD first, GitHub Actions an alternative

2 of 14 modelsGitHub Actions was named in the answer but not as the choice, or not at all.
GPT-5.4 miniGitLab CI/CD alternatives: CircleCI, GitHub Actions
MiniMax M2.5GitLab CI/CD alternatives: GitHub Actions

Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.

By buyer segment

The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
GitHub Actions leads by eighty points.
GitHub Actions88%#1 of 10
GitLab CI/CD8%#2 of 10
The full small business standing →
Mid-marketThe figures above
GitHub Actions leads by thirty-nine points.
GitHub Actions70%#1 of 13
GitLab CI/CD30%#2 of 13
The full mid-market standing →
Enterprise
The order flips: GitLab CI/CD leads at enterprise.
GitLab CI/CD54%#1 of 12
GitHub Actions18%#2 of 12
The full enterprise standing →

What the models said about GitHub Actions

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.

“GitHub Actions as your only delivery path, if outages would stop critical releases... That doesn't make Actions a bad choice” GPT-6 Luna · negative prompt · soft negative
“GitHub Actions — supply-chain caution ... treat workflow logs, secrets handling and third-party actions as high-risk.” Muse Glimmer 30B · negative prompt · soft negative
“great for GitHub, but beware of credential leakage in public repos and costs on large private repos” DeepSeek V4 Flash · negative prompt · soft negative
“the safer default is the CI/CD system integrated with the existing source-control platform—such as GitHub Actions, GitLab CI/CD, or Bitbucket Pipelines” Perplexity Sonar · negative prompt · first choice
“For 80% of mid-market B2B software companies, GitHub Actions (if on GitHub) or GitLab CI/CD (if on GitLab) provides the best balance” Gemini 3.5 Flash · direct prompt · first choice
“If you host your code on GitHub: Start with GitHub Actions. It reduces context switching and requires zero external hosting management.” Qwen 3.7 Flash · comparative prompt · first choice

What the models said about GitLab CI/CD

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.

“Self-hosted installations of any platform without a security owner: Jenkins, GitLab, TeamCity, and similar systems can be risky” Perplexity Sonar · negative prompt · soft negative
“GitLab has been flagged for: An accelerating frequency of service disruptions (76 incidents in 2023 → 97 in 2024)” MiniMax M2.5 · negative prompt · soft negative
“I wouldn't blacklist GitHub Actions or GitLab CI outright. Both require careful workflow and runner security.” GPT-6 Luna · negative prompt · soft negative
“GitHub Actions (if on GitHub) or GitLab CI/CD (if on GitLab) provides the best balance of speed, security, and developer experience” Gemini 3.5 Flash · direct prompt · first choice
“The Top Contender: GitLab CI/CD ... or GitLab CI if you need a broader toolset or prefer a unified dashboard” Qwen 3.7 Flash · paraphrase prompt · first choice
“or GitLab CI/CD if you want an all-in-one DevOps platform with built-in security and compliance” GLM 4.7 FlashX · paraphrase prompt · first choice
Also compared
All one head-to-head pages and the full CI/CD standing

Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.