Home/Compare/jan vs weak-to-strong

Comparison

jan vs weak-to-strong

Verdict

Pick jan when jan is primarily TypeScript; weak-to-strong is Python; pick weak-to-strong when weak-to-strong is primarily Python; jan is TypeScript.

Markdown twin · jan alternatives · weak-to-strong alternatives

GraphCanon updated today

jan logo

jan

janhq/jan

43kpushed Jul 10, 2026
vs
weak-to-strong logo

weak-to-strong

XuandongZhao/weak-to-strong

90pushed May 2, 2025

Trust & integrity

Signaljanweak-to-strong
Maintenance
Very active (1d since push)
As of today · github_public_v1
Dormant (435d 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

Tagline

jan
open source alternative to ChatGPT that runs offline locally
weak-to-strong
[ICML 2025] Weak-to-Strong Jailbreaking on Large Language Models

Stars

jan
43k
weak-to-strong
90

Forks

jan
2.9k
weak-to-strong
10

Open issues

jan
387
weak-to-strong
3

Language

jan
TypeScript
weak-to-strong
Python

Adopt for

jan
Jan is a TypeScript-based, self-hosted chatbot application that acts as an offline alternative to services like ChatGPT.
weak-to-strong
-

Persona

jan
-
weak-to-strong
-

Runtime

jan
-
weak-to-strong
-

License

jan
Other
weak-to-strong
MIT

Last pushed

jan
Jul 10, 2026
weak-to-strong
May 2, 2025

Categories

jan
LLM Frameworks, Inference & Serving
weak-to-strong
LLM Frameworks, Inference & Serving, Speech & Audio

Trust and health

Maintenance

jan
Very active (96%)
weak-to-strong
Dormant (18%)

Days since push

jan
1d
weak-to-strong
435d

Open issues (now)

jan
387
weak-to-strong
3

Owner type

jan
Organization
weak-to-strong
User

Full report

weak-to-strong
Trust report

Choose jan if…

  • jan is primarily TypeScript; weak-to-strong is Python.
  • License: jan is Other, weak-to-strong is MIT.
  • Tags unique to jan: tauri, self-hosted, llm, llamacpp.
  • - If you require an offline-capable AI assistant for environments without internet access.

When NOT to use jan

  • - If you require real-time updates to the AI model, since Jan uses static local models which may not get frequent updates.
  • - When a vast knowledge base or continuous learning capabilities are essential, as Jan's offline nature constrains its ability to stay current with new information.

Choose weak-to-strong if…

  • weak-to-strong is primarily Python; jan is TypeScript.
  • License: weak-to-strong is MIT, jan is Other.
  • Tags unique to weak-to-strong: python.
  • Also covers Speech & Audio.

When NOT to use weak-to-strong

  • Last GitHub push was 436 days ago (dormant maintenance, May 2, 2025). Validate activity before betting a new project on weak-to-strong.
  • LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves.
  • Inference & Serving: Self-hosting rarely beats a hosted API on cost until you have steady, high-volume traffic.

Explore

Sources

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

GitHub stars on cards: jan 43k · weak-to-strong 90 (synced Jul 11, 2026).

Common questions

What is the difference between jan and weak-to-strong?
jan: open source alternative to ChatGPT that runs offline locally. weak-to-strong: [ICML 2025] Weak-to-Strong Jailbreaking on Large Language Models. See the comparison table for live GitHub stats and shared categories.
When should I choose jan over weak-to-strong?
Choose jan over weak-to-strong when jan is primarily TypeScript; weak-to-strong is Python; License: jan is Other, weak-to-strong is MIT; Tags unique to jan: tauri, self-hosted, llm, llamacpp; - If you require an offline-capable AI assistant for environments without internet access.
When should I choose weak-to-strong over jan?
Choose weak-to-strong over jan when weak-to-strong is primarily Python; jan is TypeScript; License: weak-to-strong is MIT, jan is Other; Tags unique to weak-to-strong: python; Also covers Speech & Audio.
When should I avoid jan?
- If you require real-time updates to the AI model, since Jan uses static local models which may not get frequent updates. - When a vast knowledge base or continuous learning capabilities are essential, as Jan's offline nature constrains its ability to stay current with new information.
When should I avoid weak-to-strong?
Last GitHub push was 436 days ago (dormant maintenance, May 2, 2025). Validate activity before betting a new project on weak-to-strong. LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves. Inference & Serving: Self-hosting rarely beats a hosted API on cost until you have steady, high-volume traffic.
Is jan or weak-to-strong more popular on GitHub?
jan has more GitHub stars (43,499 vs 90). Stars measure visibility, not whether either tool fits your constraints.
Are jan and weak-to-strong open source?
Yes - both are open-source projects on GitHub (jan: Other, weak-to-strong: MIT).
Where can I find alternatives to jan or weak-to-strong?
GraphCanon lists graph-backed alternatives at jan alternatives and weak-to-strong alternatives (jan markdown twin, weak-to-strong 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, jan or weak-to-strong?
jan: Very active. weak-to-strong: 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 jan and weak-to-strong?
GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: jan trust report; weak-to-strong trust report.