GitHub CodeQL vs Codacy

GitHub CodeQL6.3Visit Codacy7.3Visit

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

vs

Higher score Codacy #4 in Ruby Static Analysis Tools 7.3/10 Free plan · paid from $18/user/mo (annual) · 14-day trial Free plan✓ 2 of 6 features Visit Codacy

• GitHub CodeQL fits best

  GitHub-centric teams needing semantic security analysis

• Codacy fits best

  Teams seeking broad code quality and security checks

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Side by side

Feature	GitHub CodeQL 6.3/10 Visit ↗	Codacy 7.3/10 Visit ↗
At a glance
Editor score	6.3	7.3
Ranking	#3 in Ruby Static Analysis Tools	#4 in Ruby Static Analysis Tools
Best for	GitHub-centric teams needing semantic security analysis	Teams seeking broad code quality and security checks
Pricing model	Free plan + paid	Free plan + paid
Starting price	$30/mo	Not published
Free plan	✓	✓
Free trial	—	—
Deployment	Cloud, Desktop	Cloud
Platforms	Web, Windows, macOS, Linux	Web
Support	Docs	Email, Live chat, Docs
Integrations	4 integrations	5 integrations
Built for	Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features GitHub CodeQL 2/6 · Codacy 2/6
Security analysis	Not published	✓ (best)
Type checking	Not published	Not published
Automated fixes	✓ (best)	Not published
Custom rules	✓	✓
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.	Analyzes Ruby alongside dozens of other languages and tools Pull-request analysis, status checks, and merge gates Free Developer plan includes IDE and security scans
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.	Cloud-only deployment Team plan starts at $18 per user monthly with annual billing Ruby is part of a broad language set, not a Ruby-specific focus
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 →	Codacy brings source-code quality, security, and coverage analysis together in a cloud platform for individual developers and engineering teams. Ruby is one of its supported languages, alongside many others, so it suits teams that want… Read the review →

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.

• Codacy — where it wins

  • Analyzes Ruby alongside dozens of other languages and tools
  • Pull-request analysis, status checks, and merge gates
  • Free Developer plan includes IDE and security scans

  Where it doesn't

  • Cloud-only deployment
  • Team plan starts at $18 per user monthly with annual billing
  • Ruby is part of a broad language set, not a Ruby-specific focus

• 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 →
• Codacy7.3/10 · Free plan · paid from $18/user/mo (annual) · 14-day trial

  Broad code and security checks, with pull-request controls and a free plan.

  Visit CodacyFull verdict →