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Redocly CLI vs vacuum: catalog facts
Redocly CLI	vacuum
Best for: API developers who manage and validate API descriptions from the command line	Best for: API teams validating OpenAPI or AsyncAPI specs locally and in CI
Free The CLI is free and open source under the MIT license; Redocly also offers commercial services.	Free Free and open source under the MIT licence.
Command line	Windows, Command line
Lints and validates API descriptions Bundles, transforms and documents OpenAPI projects All 3 strengths for Redocly CLI Lints and validates API descriptions Bundles, transforms and documents OpenAPI projects Generates typed TypeScript clients	Lints OpenAPI, AsyncAPI and JSON Schema OWASP rules and custom rules in Go or JavaScript All 4 strengths for vacuum Lints OpenAPI, AsyncAPI and JSON Schema OWASP rules and custom rules in Go or JavaScript HTML reports, dashboard and Spectral-compatible output Language server, VS Code plugin and GitHub Action
Version 2 requires Node.js 22.12.0 or newer Some API lifecycle features are part of commercial Redocly services	Mostly command-line driven Ruleset configuration takes some learning
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Offline features available
Official website Full listing and sources Sources for Redocly CLI redocly.com/docs/cli Catalog checked October 8, 2026	Official website Full listing and sources Sources for vacuum quobix.com/vacuum Catalog checked October 2, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.