Open WebUI vs sgl-project

Open WebUI (On a mission to build the best AI user interface.) and sgl-project both appear on the Smoower Developer Ecosystem Index.

Open WebUI (rank #189) holds a narrow lead over sgl-project (rank #278) on the overall Smoower ecosystem score (50 vs 46). The gap of 4 points reflects composite signals across code, docs, community and reach.

On education (docs, guides and learning material for developers), Open WebUI is ahead of sgl-project. On community (issue response, PR reviews and discussion health), sgl-project is clearly ahead of Open WebUI. On reach (how visible the ecosystem is beyond its own repos), Open WebUI is clearly ahead of sgl-project. On momentum (release cadence and how fast the ecosystem moves), sgl-project is slightly ahead of Open WebUI.

Open WebUI carries 159,650 GitHub stars across 25 public repos, with 12 repositories active in the last 90 days and 198 external contributors on record. sgl-project shows 38,333 stars across 26 public repos, 20 active in the last 90 days and 349 external contributors. The star gap on its own does not decide the comparison, but Open WebUI's footprint is roughly 4.2x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Open WebUI is the stronger read for anyone weighting reach. sgl-project looks better where community 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.