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GraalVM vs Eclipse Temurin: catalog facts
GraalVM	Eclipse Temurin
Best for: Java developers building fast-starting services and small container images	Best for: Developers and servers that need a free, certified Java runtime
Free Free to download; the source code is published in the oracle/graal repository.	Free Free to download and use with no licensing fees.
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	Java SE TCK certified OpenJDK builds Built from open-source scripts and infrastructure All 3 strengths for Eclipse Temurin Java SE TCK certified OpenJDK builds Built from open-source scripts and infrastructure No licensing fees for production use
Native Image compilation is slower than a normal Java build Native executables include only reachable code, so reflection-heavy code needs configuration	Provides the runtime and JDK only, not an IDE or build tools
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0 with Classpath Exception	License: GPL-2.0 WITH Classpath-exception-2.0
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 Eclipse Temurin adoptium.net Catalog checked September 23, 2026

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