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Head-to-head · API Linting Tools

Spectral vs OpenLint

  • Updated Nov 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Spectral #1 in API Linting Tools 8.8/10 Free plan Free plan✓ 0 of 5 features Visit Spectral
OpenLint #6 in API Linting Tools 7.6/10 Free plan Free plan✓ 4 of 5 features Visit OpenLint

Spectral leads on 0 checks, OpenLint on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreSpectral · 8.8/10
  • Free planboth
  • Most featuresOpenLint · 4 of 5

Spectral scores higher on our rubric for api linting tools: 8.8 against 7.6 out of 10; our editors rank them #1 and #6.

Spectral is the better fit for teams needing customizable OpenAPI and AsyncAPI linting. OpenLint is the better fit for teams needing custom rules across API formats.

  • Spectral fits best

    Teams needing customizable OpenAPI and AsyncAPI linting

  • OpenLint fits best

    Teams needing custom rules across API formats

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Side by side

Feature Spectral 8.8/10 Visit ↗ OpenLint 7.6/10 Visit ↗
At a glance
Editor score 8.8 7.6
Ranking #1 in API Linting Tools #6 in API Linting Tools
Best for Teams needing customizable OpenAPI and AsyncAPI linting Teams needing custom rules across API formats
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Self-hosted Self-hosted
Platforms Windows, macOS, Linux Linux, Windows, macOS
Support Community, Docs Community
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Spectral 0/5 · OpenLint 4/5
OpenAPI linting Not checked yet ✓ (best)
AsyncAPI linting Not checked yet ✓ (best)
GraphQL schema linting Not checked yet Not checked yet
Custom rules Not checked yet ✓ (best)
CI integration Not checked yet ✓ (best)
Our review
Pros
  • Built-in rulesets cover both OpenAPI and AsyncAPI.
  • Custom rulesets and JavaScript or TypeScript functions extend linting.
  • Works in CLI, JavaScript, CI, VS Code and JetBrains workflows.
  • Built-in rulesets cover OpenAPI, AsyncAPI, and Arazzo.
  • Teams can create custom rulesets and JavaScript or TypeScript functions.
  • Runs locally and can be used in CI workflows.
Cons
  • Focused on linting; it does not include a mock server.
  • Requires teams to define and maintain custom rules for their conventions.
  • Support is through community resources and documentation.
  • Support is community-based.
  • The project was established in September 2026, so its track record is young.
  • It focuses on linting JSON and YAML API artifacts, not broader API management.
Our verdict

Spectral is an open-source linter for JSON and YAML API descriptions, aimed at developers and API teams that want to enforce style guides across local work, editors and Git-based processes. It includes built-in rulesets for OpenAPI and…

Read the review →

OpenLint is a community-developed, open-source linter and ruleset project for teams that want to check API artifacts against consistent standards. Its CLI and packages lint JSON and YAML, with built-in rulesets for OpenAPI, AsyncAPI, and…

Read the review →
  1. SpectralAPI Linting Tools 8.8Free plan
  2. OpenLintAPI Linting Tools 7.6Free plan

Strengths and trade-offs

  • Spectral — where it wins

    • Built-in rulesets cover both OpenAPI and AsyncAPI.
    • Custom rulesets and JavaScript or TypeScript functions extend linting.
    • Works in CLI, JavaScript, CI, VS Code and JetBrains workflows.

    Where it doesn't

    • Focused on linting; it does not include a mock server.
    • Requires teams to define and maintain custom rules for their conventions.
    • Support is through community resources and documentation.

  • OpenLint — where it wins

    • Built-in rulesets cover OpenAPI, AsyncAPI, and Arazzo.
    • Teams can create custom rulesets and JavaScript or TypeScript functions.
    • Runs locally and can be used in CI workflows.

    Where it doesn't

    • Support is community-based.
    • The project was established in September 2026, so its track record is young.
    • It focuses on linting JSON and YAML API artifacts, not broader API management.

Spectral vs OpenLint: questions

Which is better for API linting tools, Spectral or OpenLint?

Spectral scores higher on our rubric for api linting tools: 8.8 against 7.6 out of 10; our editors rank them #1 and #6.

How do Spectral and OpenLint compare?

All 5 checks we put side by side come out level: neither leads on any.

Do Spectral and OpenLint have a free plan?

Spectral: Yes. OpenLint: Yes.

More comparisons

All API linting tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026

Last updated · How we research and update