compare

Jan vs vLLM

The same facts for both, read from GitHub every night, and the relation a person reviewed.

Jan vs vLLM
FactJanvLLM
LanguageRustPython
LicenceOtherApache-2.0
Stars45k93k
Latestv0.8.4v0.31.0
Last push2026-10-062026-10-06
Release cadenceabout 15 days between releasesabout 14 days between releases
Active contributors12+ commit authors on the default branch in the last 90 days260+ commit authors on the default branch in the last 90 days
Flagsnonenone
  • Both replace ChatGPT. Alternatives to ChatGPT →

    PartialJanDesktop app that downloads open models and runs them offline, or calls a hosted API.

    PartialvLLMServes open-weight models behind an OpenAI-compatible API, tuned for GPU throughput.

  • Both replace Claude. Alternatives to Claude →

    PartialJanDesktop app that downloads open models and runs them offline, or calls a hosted API.

    PartialvLLMServes open-weight models behind an OpenAI-compatible API.