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Head-to-head · Ruby Static Analysis Tools

GitHub CodeQL vs DeepSource

  • Updated Sep 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score GitHub CodeQL #3 in Ruby Static Analysis Tools 6.3/10 Free plan · paid from $30/mo Free plan✓ 2 of 6 features Visit GitHub CodeQL
DeepSource #5 in Ruby Static Analysis Tools 6.0/10 Free plan · paid from $24/user/mo (annual) · 14-day trial Free plan✓ 0 of 6 features Visit DeepSource

GitHub CodeQL leads on 2 checks, DeepSource on 0, and 1 is even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreGitHub CodeQL · 6.3/10
  • Free planboth
  • Most featuresGitHub CodeQL · 2 of 6

GitHub CodeQL scores higher on our rubric for ruby static analysis tools: 6.3 against 6.0 out of 10; our editors rank them #3 and #5.

GitHub CodeQL offers automated fixes; DeepSource doesn't publish it. GitHub CodeQL offers custom rules; DeepSource doesn't publish it.

GitHub CodeQL is the better fit for gitHub-centric teams needing semantic security analysis. DeepSource is the better fit for teams combining code review, security, and dependencies.

  • GitHub CodeQL fits best

    GitHub-centric teams needing semantic security analysis

  • DeepSource fits best

    Teams combining code review, security, and dependencies

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. It never changes our verdict. How we rank.

Side by side

Feature GitHub CodeQL 6.3/10 Visit ↗ DeepSource 6.0/10 Visit ↗
At a glance
Editor score 6.3 6.0
Ranking #3 in Ruby Static Analysis Tools #5 in Ruby Static Analysis Tools
Best for GitHub-centric teams needing semantic security analysis Teams combining code review, security, and dependencies
Pricing model Free plan + paid Free plan + paid
Starting price $30/mo Not published
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Desktop Cloud, Self-hosted
Platforms Web, Windows, macOS, Linux Web
Support Docs Email, Tickets, Docs
Integrations 4 integrations 8 integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features GitHub CodeQL 2/6 · DeepSource 0/6
Security analysis Not published Not published
Type checking Not published Not published
Automated fixes ✓ (best) Not published
Custom rules ✓ (best) Not published
Hosted option Not published Not published
Self-hosted option Not published Not published
Our review
Pros
  • Data-flow and taint analysis can surface vulnerability paths.
  • Custom queries and standard packs support tailored analysis.
  • Pull-request alerts integrate with GitHub code scanning.
  • Static analysis, pull-request checks, and security coverage across 18 languages
  • Dependency reachability, secrets detection, IaC review, and license policies
  • GitHub, GitLab, Bitbucket, Azure DevOps, API, webhooks, and self-hosting
Cons
  • Commercial private-repository use requires GitHub security licensing.
  • Paid GitHub Code Security costs $30 per active committer monthly.
  • Ruby-specific language support is not clearly identified.
  • Secrets detection is limited to Team and Enterprise plans
  • Self-hosted deployment is available only with Enterprise
  • Advanced Team controls require paid per-user billing
Our verdict

GitHub CodeQL analyzes source code by turning a codebase into a database and running semantic queries against it. It is aimed at teams that need to detect vulnerabilities, errors, and data-flow problems, particularly those already working…

Read the review →

DeepSource is a cloud code-review and application-security platform for developers and engineering teams, with Ruby support among 18 analyzed languages. It reviews commits and pull requests for code-quality issues, security…

Read the review →
  1. GitHub CodeQLRuby Static Analysis Tools 6.3Free plan · paid from $30/mo
  2. DeepSourceRuby Static Analysis Tools 6.0Free plan · paid from $24/user/mo (annual) · 14-day trial

Strengths and trade-offs

  • GitHub CodeQL — where it wins

    • Data-flow and taint analysis can surface vulnerability paths.
    • Custom queries and standard packs support tailored analysis.
    • Pull-request alerts integrate with GitHub code scanning.

    Where it doesn't

    • Commercial private-repository use requires GitHub security licensing.
    • Paid GitHub Code Security costs $30 per active committer monthly.
    • Ruby-specific language support is not clearly identified.

  • DeepSource — where it wins

    • Static analysis, pull-request checks, and security coverage across 18 languages
    • Dependency reachability, secrets detection, IaC review, and license policies
    • GitHub, GitLab, Bitbucket, Azure DevOps, API, webhooks, and self-hosting

    Where it doesn't

    • Secrets detection is limited to Team and Enterprise plans
    • Self-hosted deployment is available only with Enterprise
    • Advanced Team controls require paid per-user billing
  • GitHub CodeQL6.3/10 · Free plan · paid from $30/mo

    Semantic queries and pull-request alerts for teams working in GitHub-centered workflows.

    Visit GitHub CodeQLFull verdict →
  • DeepSource6.0/10 · Free plan · paid from $24/user/mo (annual) · 14-day trial

    A Ruby-capable analysis platform combining pull-request checks, security, and dependency review.

    Visit DeepSourceFull verdict →

More comparisons

All ruby static analysis tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026