Baseten vs Open WebUI

Baseten (Machine learning infrastructure for developers) and Open WebUI (On a mission to build the best AI user interface.) both appear on the Smoower Developer Ecosystem Index.

Open WebUI (rank #189) holds a narrow lead over Baseten (rank #237) on the overall Smoower ecosystem score (50 vs 48). The gap of 2 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), Open WebUI is ahead of Baseten. On education (docs, guides and learning material for developers), Open WebUI is slightly ahead of Baseten. On community (issue response, PR reviews and discussion health), Open WebUI is ahead of Baseten. On reach (how visible the ecosystem is beyond its own repos), Open WebUI is slightly ahead of Baseten. On momentum (release cadence and how fast the ecosystem moves), Baseten is clearly ahead of Open WebUI.

Baseten carries 1,715 GitHub stars across 113 public repos, with 44 repositories active in the last 90 days and 40 external contributors on record. Open WebUI shows 159,650 stars across 25 public repos, 12 active in the last 90 days and 198 external contributors. The star gap on its own does not decide the comparison, but Open WebUI's footprint is roughly 93.1x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Baseten is the stronger read for anyone weighting momentum. Open WebUI looks better where code quality is the deciding factor. The table below breaks the scores down pillar by pillar; the linked profiles cover the underlying repos, docs and community signals in full.