DeepSource vs Psalm
No leader: the top candidate Psalm has only 0.33 confidence (low), below the 0.35 needed to declare a winner. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.
Capabilities
Feature-by-feature on the axes that matter for code quality tools. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
DeepSource
A code review platform combining 5,000+ deterministic analysis rules with AI agents to automatically detect security vulnerabilities, bugs, and quality issues in pull requests without requiring CI setup.
Psalm
Psalm is a free, open-source static analyzer for PHP that identifies type-related errors and bugs in codebases at their strictest settings. It can automatically fix many common issues and supports safe coding patterns used in other languages.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
DeepSource
- GitHub
- GitLab
- Jira
- Slack
- Vanta
Psalm
Not documented yet.
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.