Comparison
openchat vs jan
Verdict
Pick openchat if a Python library for training large language models with imperfect data using transformers; pick jan if jan is a TypeScript-based, self-hosted chatbot application that acts as an offline alternative to services like ChatGPT.
Markdown twin · openchat alternatives · jan alternatives
GraphCanon updated 3d
Trust & integrity
| Signal | openchat | jan |
|---|---|---|
| Maintenance | Dormant (703d since push) As of 3d · github_public_v1 | Very active (1d since push) As of 4d · github_public_v1 |
| Provenance | Not a fork · Personal account As of 3d · github_public_v1 | Not a fork · Organization account As of 4d · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of 1mo · osv@v1 | No lockfile (source not queried) As of 1mo · osv@v1 |
| deps.dev advisories | Not queried deps.dev@v1 | Not queried deps.dev@v1 |
| OpenSSF Scorecard | Not queried openssf-scorecard@v1 | Not queried openssf-scorecard@v1 |
Tagline
- openchat
- Advancing Open-source Language Models with Imperfect Data
- jan
- open source alternative to ChatGPT that runs offline locally
Stars
- openchat
- 5.5k
- jan
- 44k
Forks
- openchat
- 432
- jan
- 3.0k
Open issues
- openchat
- 137
- jan
- 453
Language
- openchat
- Python
- jan
- TypeScript
Adopt for
- openchat
- A Python library for training large language models with imperfect data using transformers.
- jan
- Jan is a TypeScript-based, self-hosted chatbot application that acts as an offline alternative to services like ChatGPT.
Persona
- openchat
- -
- jan
- -
Runtime
- openchat
- -
- jan
- -
License
- openchat
- Apache-2.0
- jan
- Other
Last pushed
- openchat
- Sep 13, 2024
- jan
- Aug 14, 2026
Categories
- openchat
- LLM Frameworks, Model Training
- jan
- Inference & Serving, LLM Frameworks
Trust and health
Maintenance
- openchat
- Dormant (18%)
- jan
- Very active (96%)
Days since push
- openchat
- 703d
- jan
- 1d
Open issues (now)
- openchat
- 137
- jan
- 453
Stars delta
- openchat
- +2 (30d)
- jan
- +426 (30d)
Open issues delta
- openchat
- +1 (30d)
- jan
- +69 (30d)
Owner type
- openchat
- User
- jan
- Organization
Full report
- openchat
- Trust report
- jan
- Trust report
Typed relationship
openchat alternative janJan is an open-source self-hosted ChatGPT alternative, similar to what OpenChat appears to be aiming for with its focus on imperfect data and advancement in open-source language models.
Choose openchat if…
- openchat is primarily Python; jan is TypeScript.
- License: openchat is Apache-2.0, jan is Other.
- Jan is an open-source self-hosted ChatGPT alternative, similar to what OpenChat appears to be aiming for with its focus on imperfect data and advancement in open-source language models.
- Tags unique to openchat: apache license 2.0, cuda, large language models, pytorch.
- Also covers Model Training.
- You need to train models on datasets with noise or missing information
When NOT to use openchat
- If your dataset is clean and well-structured, reducing model inaccuracies
- Projects that cannot depend on Apache License 2.0 or install PyTorch with CUDA support
Choose jan if…
- jan is primarily TypeScript; openchat is Python.
- License: jan is Other, openchat is Apache-2.0.
- Jan is an open-source self-hosted ChatGPT alternative, similar to what OpenChat appears to be aiming for with its focus on imperfect data and advancement in open-source language models.
- Tags unique to jan: chatgpt, gpt, llamacpp, llm.
- Also covers Inference & Serving.
- - 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.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (imoneoi/openchat) · observed Aug 17, 2026
- GitHub forks (imoneoi/openchat) · observed Aug 17, 2026
- Last push (imoneoi/openchat) · observed Sep 13, 2024
- License file (Apache-2.0) · observed Aug 17, 2026
- Decision facts (enrichment) · observed Jul 14, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (janhq/jan) · observed Aug 16, 2026
- GitHub forks (janhq/jan) · observed Aug 16, 2026
- Last push (janhq/jan) · observed Aug 14, 2026
- License file (Other) · observed Aug 16, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: openchat 5.5k · jan 44k (synced Aug 17, 2026).
Common questions
- What is the difference between openchat and jan?
- openchat: Advancing Open-source Language Models with Imperfect Data. jan: open source alternative to ChatGPT that runs offline locally. See the comparison table for live GitHub stats and shared categories.
- When should I choose openchat over jan?
- Choose openchat over jan when openchat is primarily Python; jan is TypeScript; License: openchat is Apache-2.0, jan is Other; Jan is an open-source self-hosted ChatGPT alternative, similar to what OpenChat appears to be aiming for with its focus on imperfect data and advancement in open-source language models; Tags unique to openchat: apache license 2.0, cuda, large language models, pytorch; Also covers Model Training; You need to train models on datasets with noise or missing information.
- When should I choose jan over openchat?
- Choose jan over openchat when jan is primarily TypeScript; openchat is Python; License: jan is Other, openchat is Apache-2.0; Jan is an open-source self-hosted ChatGPT alternative, similar to what OpenChat appears to be aiming for with its focus on imperfect data and advancement in open-source language models; Tags unique to jan: chatgpt, gpt, llamacpp, llm; Also covers Inference & Serving; - If you require an offline-capable AI assistant for environments without internet access.
- When should I avoid openchat?
- If your dataset is clean and well-structured, reducing model inaccuracies Projects that cannot depend on Apache License 2.0 or install PyTorch with CUDA support
- 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.
- Is openchat or jan more popular on GitHub?
- jan has more GitHub stars (44,020 vs 5,487). Stars measure visibility, not whether either tool fits your constraints.
- Are openchat and jan open source?
- Yes - both are open-source projects on GitHub (openchat: Apache-2.0, jan: Other).
- Where can I find alternatives to openchat or jan?
- GraphCanon lists graph-backed alternatives at openchat alternatives and jan alternatives (openchat markdown twin, jan 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, openchat or jan?
- openchat: Dormant. jan: Very active. 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 openchat and jan?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: openchat trust report; jan trust report.