AI Blind Test

GitHub vs GitLab

Which brand does AI prefer? We tested both across 3 leading AI models.

AI GEO Score

Based on 3 AI models and 5 evaluation angles

GitHub

100%

VS

about.gitlab.com

0%

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Why AI Prefers GitHub

Gemini 2.5 Flash

GitHub's value proposition is incredibly clear and well-supported by specific features and customer examples. GitLab, while comprehensive, is less dir…

Gemini 2.5 Flash

GitHub delivers a significantly stronger impression due to its well-structured content, clear focus on core features, and compelling visual narrative.…

Gemini 2.5 Flash

Company A (GitHub) presents massive social proof with well-known client logos, specific statistics on benefits, and customer stories. Their profession…

The AI Verdict

GitHub takes the lead with 100% AI preference. The biggest gap is in trust — GitHub scores 9 vs about.gitlab.com's 7.8.

Sentiment Breakdown

How each website scores across key dimensions (1-10)

GitHubabout.gitlab.com
Trust & Authority9.0 vs 7.8
Innovation8.9 vs 8.2
Price Competitiveness7.0 vs 6.9
Ease of Use8.4 vs 7.3

Per-Model Verdicts

How each AI model independently evaluated the two websites

GPT
GPT-5 Mini
Prefers GitHub100 vs 0
Based on the provided site content, GitHub presents a clearer, more polished value proposition focused on collaboration plus a well-known AI offering (Copilot) and explicit feature links (Actions, Codespaces, Security) backed by strong credibility signals and customer stories. GitLab also communicates a compelling end-to-end DevSecOps and AI-orchestration message for enterprises, but GitHub’s messaging and broad adoption come across as more immediately accessible and trustworthy to a general audience.
GEM
Gemini 2.5 Flash
Prefers GitHub100 vs 0
GitHub's value proposition is incredibly clear and well-supported by specific features and customer examples. GitLab, while comprehensive, is less direct in its initial messaging and feature presentation, making it slightly harder to grasp its full depth without more investigation.
CLD
Claude 3.5 Haiku
Tie50 vs 50
No successful evaluations from this model.

Go deeper on GitHub

This free test used 3 models. The full GEO Audit analyzes GitHub across 11 AI models and 4 dimensions:

AI Visibility — does AI mention your brand unprompted?
Content Quality — is your content AI-readable?
Technical Readiness — robots.txt, sitemap, MCP
Action Plan — prioritized fixes + PDF report
$99$49Launch Price

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