compare
GPUStack vs Jan
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | GPUStack | Jan |
|---|---|---|
| Language | Python | Rust |
| Licence | Apache-2.0 | Other |
| Stars | 5.8k | 45k |
| Latest | v2.2.3 | v0.8.4 |
| Last push | 2026-09-30 | 2026-10-06 |
| Release cadence | too few releases | about 15 days between releases |
| Active contributors | 27 commit authors on the default branch in the last 90 days | 12+ commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace ChatGPT. Alternatives to ChatGPT →
PartialGPUStackManages a cluster of GPUs and serves open-weight models across it behind an OpenAI-compatible API.
PartialJanDesktop app that downloads open models and runs them offline, or calls a hosted API.
GPUStack
- v2.3.0rc22026-09-30pre-release
- v2.3.0rc12026-09-01pre-release
- v2.2.32026-07-31Fixed an issue where vLLM services routed through GPUStack were incompatible with Claude Code. (Issue #5934)
- v2.2.3rc12026-07-31pre-release
- v2.2.22026-07-24This release fixes two security vulnerabilities. Users are strongly advised to upgrade immediately.
GPUStack
unsigned The latest release, v2.2.3, carries no signature GitHub could verify.
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Jan
✓ signed The latest release, v0.8.4, carries a signature GitHub verified.
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