Ollama vs Open WebUI

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

Ollama (rank #122) holds a narrow lead over Open WebUI (rank #189) on the overall Smoower ecosystem score (54 vs 50). The gap of 4 points reflects composite signals across code, docs, community and reach.

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

Ollama carries 190,304 GitHub stars across 4 public repos, with 3 repositories active in the last 90 days and 241 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.

Ollama is the stronger read for anyone weighting reach. Open WebUI 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.