jan.ai

Jan

Open-source ChatGPT alternative

Type: Development License: Open-Source Price: Free Category: Development tools AimostAll Score: 85/100

AimostAll Score

85/ 100
Data coverage: 48% (medium confidence)
Last evaluated: 2026-09-03
Methodology: version 1
Developer100
Businessnot enough data
Value62
Trust88
Why this score?

Each check below is a fact we could verify from public sources. Unknown checks are excluded from the calculation instead of counting as a negative, and the score is pulled toward the midpoint when coverage is low — that is what data coverage reports.

Developer100/100 · 82% of checks known

  • YesPublic API source ↗Local API server plus a published API reference.
  • YesPublic API reference source ↗Public API reference reachable without a sales call. Seen on the docs.
  • YesDeveloper documentation source ↗Developer/docs section beyond marketing pages. Seen on the docs.
  • YesDocumented integrations source ↗Third-party integrations documented. Seen on the docs.
  • YesOpen-source core source ↗Open-source ChatGPT replacement developed in the open on GitHub (44k stars).
  • YesSelf-hosting possible source ↗Runs locally with a local API server and a self-hosted agent backend.

Not determined: Official SDKs / client libraries, Webhooks / automation hooks.

Businessnot published · 11% of checks known

  • YesDocumented support channels source ↗Discord and GitHub community channels linked from the site.
  • NoCommercial plan exists source ↗No paid plan for the desktop app; cloud models use the user's own provider keys.

Not determined: Public pricing, Business / enterprise tier, Team collaboration, Admin / role management, SSO available, Security / compliance information, Customer data export.

Value62/100 · 43% of checks known

  • YesFree tier source ↗Desktop app is a free download for Mac, Windows and Linux.
  • NoBrowser app source ↗No browser-based app. Seen on the homepage.
  • NoMobile app source ↗No mobile app offered. Seen on the homepage.
  • YesDesktop app source ↗Desktop application offered. Seen on the docs.

Not determined: Free trial, Transparent pricing, Concrete plan limits, No card required to start, Cancellation / refund policy.

Trust88/100 · 54% of checks known

  • YesOfficial documentation source ↗Official documentation or help centre published. Seen on the docs.
  • YesIdentifiable vendor source ↗Operating company or team publicly identifiable. Seen on the homepage.
  • YesChangelog / release notes source ↗Changelog, release notes or public roadmap published. Seen on the homepage.
  • YesWebsite reachable source ↗Homepage probe during evidence gathering.

Not determined: Privacy policy, Terms of service, Public pricing, Published contact channel, Status page.

Scores are calculated by AimostAll with fixed, public rules (methodology v1). AI assists only with factual research; it never picks the number. Placement and scores cannot be bought.

What is Jan?

Jan is an open-source desktop application that runs AI models locally. It provides a ChatGPT-like interface for local models, with support for extensions and customization.

Listing trust signals

Listing ID

683

Directory refresh date

2026-09-03

Pricing confidence

Medium confidence based on currently stored pricing metadata.

Pricing, category and fit

Jan is listed as a Development tool on AimostAll.

License model: Open-Source. Pricing label: Free.

Use this page to compare Jan with other development tools, watch tutorials, and explore similar alternatives.

Video Tutorials

Latest YouTube tutorials matched to this tool (updates twice per day).

Frequently asked questions about Jan

What does Jan do?

Open-source ChatGPT alternative.

Is Jan free or paid?

Jan is listed on AimostAll as open-source with a pricing label of Free.

Where can I compare alternatives to Jan?

Use the alternatives section below or browse the wider development category to compare similar tools.