Cohere vs Open WebUI

Cohere (Empowering enterprises with private, powerful AI.) 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 Cohere (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 code quality (the state of repositories, tests, releases and polish), Cohere is slightly ahead of Open WebUI. On community (issue response, PR reviews and discussion health), Open WebUI is slightly ahead of Cohere. On reach (how visible the ecosystem is beyond its own repos), Cohere is ahead of Open WebUI. On momentum (release cadence and how fast the ecosystem moves), Cohere is slightly ahead of Open WebUI.

Cohere carries 6,555 GitHub stars across 62 public repos, with 17 repositories active in the last 90 days and 15 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 24.4x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Cohere 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.