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GraalVM vs Amazon Corretto: catalog facts
GraalVM	Amazon Corretto
Best for: Java developers building fast-starting services and small container images	Best for: Java developers and servers that need a supported, free JDK
Free Free to download; the source code is published in the oracle/graal repository.	Free Free, including long-term support.
Windows, macOS, Linux, Command line	Windows, macOS, Linux
Native Image builds fast-starting, low-memory executables First-class support in Spring Boot, Micronaut, Helidon and Quarkus All 4 strengths for GraalVM Native Image builds fast-starting, low-memory executables First-class support in Spring Boot, Micronaut, Helidon and Quarkus Works as a drop-in JDK with existing Java tools Truffle framework for running other languages	Free long-term support from Amazon Certified Java SE compatible All 4 strengths for Amazon Corretto Free long-term support from Amazon Certified Java SE compatible Quarterly security and performance updates Several Java versions from 8 to 27
Native Image compilation is slower than a normal Java build Native executables include only reachable code, so reflection-heavy code needs configuration	A JDK only; IDEs and build tools are separate Direction is set by Amazon rather than a community foundation
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0 with Classpath Exception	License: GPL-2.0-with-classpath-exception
No account needed	No account needed
Offline features available	Offline features available
Official website Full listing and sources Sources for GraalVM graalvm.org Catalog checked October 1, 2026	Official website Full listing and sources Sources for Amazon Corretto aws.amazon.com/corretto Catalog checked September 24, 2026

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