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Comparison

arthas vs SPIN

Verdict

Pick arthas when arthas is primarily Java; SPIN is Python; pick SPIN when sPIN is primarily Python; arthas is Java.

Markdown twin · arthas alternatives · SPIN alternatives

GraphCanon updated today

arthas logo

arthas

alibaba/arthas

★ 37kpushed Jul 1, 2026
vs
SPIN logo

SPIN

uclaml/SPIN

★ 1.2kpushed May 8, 2024

Trust & integrity

SignalarthasSPIN
Maintenance
Active (10d since push)
As of today · github_public_v1
Dormant (794d since push)
As of today · github_public_v1
Provenance
Not a fork · Organization account
As of today · github_public_v1
Not a fork · Personal account
As of today · github_public_v1
Security (OSV)
No lockfile
As of today · none
No lockfile
As of today · none
arthas trust reportSPIN trust reportTrust methodology

Tagline

arthas
Alibaba Java Diagnostic Tool Arthas
SPIN
The official implementation of Self-Play Fine-Tuning (SPIN)

Stars

arthas
37k
SPIN
1.2k

Forks

arthas
7.6k
SPIN
105

Open issues

arthas
485
SPIN
24

Language

arthas
Java
SPIN
Python

Adopt for

arthas
Arthas is a Java diagnostic tool from Alibaba designed to monitor and troubleshoot running Java applications using features such as tracing, classloader analysis, and JVM diagnostics.
SPIN
-

Persona

arthas
-
SPIN
-

Runtime

arthas
-
SPIN
-

License

arthas
Apache-2.0
SPIN
Apache-2.0

Last pushed

arthas
Jul 1, 2026
SPIN
May 8, 2024

Categories

arthas
Developer Tools
SPIN
Developer Tools

Trust and health

Maintenance

arthas
Active (82%)
SPIN
Dormant (18%)

Days since push

arthas
10d
SPIN
794d

Open issues (now)

arthas
485
SPIN
24

Owner type

arthas
Organization
SPIN
User

Full report

arthas
Trust report
SPIN
Trust report

Choose arthas if…

  • arthas is primarily Java; SPIN is Python.
  • Requirements: Min 1 GB RAM.
  • Tags unique to arthas: agent, diagnosis, java, jvm.
  • arthas ships Docker support for self-hosted deployment.
  • Utilize Arthas for deep diagnostics on running Java applications where you need advanced features such as bytecode enhancement or specific trace capabilities over static analysis.

When NOT to use arthas

  • Avoid using Arthas if your primary need is for quick, surface-level diagnostics or performance tuning without diving into more advanced features.
  • Do not use Arthas if you are working in a development environment outside of Java where this specific diagnostic tool would provide no value.
GitHubDetails

Choose SPIN if…

  • SPIN is primarily Python; arthas is Java.
  • Tags unique to SPIN: deep-learning, fine-tuning, large-language-models, python.
  • Leaner open-issue backlog (24).

When NOT to use SPIN

  • Last GitHub push was 795 days ago (dormant maintenance, May 8, 2024). Validate activity before betting a new project on SPIN.
  • Developer Tools: A gateway is overkill when you're pinned to a single provider and model.
GitHubDetails

Explore

arthas trust report →SPIN trust report →Developer Tools category →All comparisonsStack workflowsTrending tools

Sources

Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.

GitHub stars on cards: arthas 37k · SPIN 1.2k (synced Jul 11, 2026).

Common questions

What is the difference between arthas and SPIN?
arthas: Alibaba Java Diagnostic Tool Arthas. SPIN: The official implementation of Self-Play Fine-Tuning (SPIN). See the comparison table for live GitHub stats and shared categories.
When should I choose arthas over SPIN?
Choose arthas over SPIN when arthas is primarily Java; SPIN is Python; Requirements: Min 1 GB RAM; Tags unique to arthas: agent, diagnosis, java, jvm; arthas ships Docker support for self-hosted deployment; Utilize Arthas for deep diagnostics on running Java applications where you need advanced features such as bytecode enhancement or specific trace capabilities over static analysis.
When should I choose SPIN over arthas?
Choose SPIN over arthas when SPIN is primarily Python; arthas is Java; Tags unique to SPIN: deep-learning, fine-tuning, large-language-models, python; Leaner open-issue backlog (24).
When should I avoid arthas?
Avoid using Arthas if your primary need is for quick, surface-level diagnostics or performance tuning without diving into more advanced features. Do not use Arthas if you are working in a development environment outside of Java where this specific diagnostic tool would provide no value.
When should I avoid SPIN?
Last GitHub push was 795 days ago (dormant maintenance, May 8, 2024). Validate activity before betting a new project on SPIN. Developer Tools: A gateway is overkill when you're pinned to a single provider and model.
Is arthas or SPIN more popular on GitHub?
arthas has more GitHub stars (37,427 vs 1,247). Stars measure visibility, not whether either tool fits your constraints.
Are arthas and SPIN open source?
Yes - both are open-source projects on GitHub (arthas: Apache-2.0, SPIN: Apache-2.0).
Where can I find alternatives to arthas or SPIN?
GraphCanon lists graph-backed alternatives at arthas alternatives and SPIN alternatives (arthas markdown twin, SPIN markdown twin), ranked by typed relationship edges rather than popularity votes.
Is there a machine-readable version of this comparison?
Yes. The markdown twin at this comparison mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
Which is better maintained, arthas or SPIN?
arthas: Active. SPIN: Dormant. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.
Where are the full trust reports for arthas and SPIN?
GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: arthas trust report; SPIN trust report.