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PyreSource Code AnalysisAnnual estimate10 people, entry price
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Source Code Analysis
Source Code Analysis
Product
Meta's static type checker for JavaScript that adds types to help catch bugs before runtime.
Meta's performant type checker for Python with Pysa security analysis and incremental checking.
Headquarters
Menlo Park, California
Menlo Park, California
Company size
N/A (Meta)
N/A (Meta)
Free options
Free plan, Free trial
Free plan
Source updated
Nov 2, 2026
Oct 29, 2026
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Security and switching
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