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Head-to-head · Ruby Static Analysis Tools

GitHub CodeQL vs DeepSource

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score GitHub CodeQL #3 in Ruby Static Analysis Tools 8.4/10 Free plan Free plan✓ 2 of 6 features Visit GitHub CodeQL
DeepSource #5 in Ruby Static Analysis Tools 8.1/10 Free plan · 14-day trial Free planFree trial✓ 0 of 6 features Visit DeepSource

GitHub CodeQL leads on 0 checks, DeepSource on 0, and 3 are 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 · 8.4/10
  • Free planboth
  • Free trialonly DeepSource
  • Most featuresGitHub CodeQL · 2 of 6

GitHub CodeQL scores higher on our rubric for ruby static analysis tools: 8.4 against 8.1 out of 10; our editors rank them #3 and #5.

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

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Side by side

Feature GitHub CodeQL 8.4/10 Visit ↗ DeepSource 8.1/10 Visit ↗
At a glance
Editor score 8.4 8.1
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/user/mo —
Free plan ✓ ✓
Free trial — 14 days
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 checked yet Not checked yet
Type checking Not checked yet Not checked yet
Automated fixes ✓ (best) Not checked yet
Custom rules ✓ (best) Not checked yet
Hosted option Not checked yet Not checked yet
Self-hosted option Not checked yet Not checked yet
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 8.4Free plan
  2. DeepSourceRuby Static Analysis Tools 8.1Free plan · 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

More comparisons

All ruby static analysis tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update