Free
Free
JMH is an OpenJDK open-source project with source repository links and no commercial pricing.
- Access
- JMH is an OpenJDK open-source project with source repository links and no commercial pricing.
Finding the possibilities
JMH
● Identity checkedCode · Vendor site 2026-10-04
JMH (Java Microbenchmark Harness) is an OpenJDK code-tools project for building, running, and analyzing nano- through macro-scale benchmarks on the JVM. It helps Java and JVM language authors measure performance with controlled warmup, forked JVMs, and statistical aggregation.
- Category
- Code
- Free access
- JMH is an OpenJDK open-source project with source repository links and no commercial pricing.
- API access
- Project page links to the source repository, mailing list, and developer documentation for harness APIs.
Is JMH right for you?
A good fit for
JVM library and runtime engineers who need rigorous microbenchmarks instead of ad-hoc System.nanoTime loops.
Before you choose
You run benchmarks locally or in CI; the OpenJDK project page does not provide a hosted benchmarking service.
JVM microbenchmark harness
The OpenJDK JMH page describes a harness for reproducible JVM performance experiments with links to sources and community support channels.
What it can do
Features & capabilities
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Benchmark scope | Overview states JMH builds and analyzes nano, micro, milli, and macro benchmarks for Java and other JVM languages. | Facts sourced | 2026-10-04 |
| OpenJDK project | Page lists source repository, mailing list, bug tracker, and contributing guides under the Code Tools umbrella. | Facts sourced | 2026-10-04 |
Understand the total cost
JMH pricing & plans
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Frequently asked questions
What is JMH used for?
JMH (Java Microbenchmark Harness) is an OpenJDK code-tools project for building, running, and analyzing nano- through macro-scale benchmarks on the JVM. It helps Java and JVM language authors measure performance with controlled warmup, forked JVMs, and statistical aggregation.
Does JMH have a free plan?
JMH is an OpenJDK open-source project with source repository links and no commercial pricing.. This record lists ongoing free access; check the plan limits before starting.
How much does JMH cost?
No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.
Can I use JMH through an API?
Project page links to the source repository, mailing list, and developer documentation for harness APIs.. API access and subscription access may have different terms; consult the linked sources.
What should I check before choosing it?
You run benchmarks locally or in CI; the OpenJDK project page does not provide a hosted benchmarking service.
Price history
No retained pricing changes yet. A current price alone does not establish a historical trend.
How this profile is supported
Identity and profile
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.