Open WebUI vs Sendbird

Open WebUI (On a mission to build the best AI user interface.) and Sendbird (Sendbird provides AI-powered omnichannel communication solutions, including AI agent for customer service, Chat API, and Business Messaging.) both appear on the Smoower Developer Ecosystem Index.

Open WebUI (rank #189) holds a narrow lead over Sendbird (rank #209) on the overall Smoower ecosystem score (50 vs 49). The gap of 1 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), Open WebUI is slightly ahead of Sendbird. On education (docs, guides and learning material for developers), Open WebUI is ahead of Sendbird. On community (issue response, PR reviews and discussion health), Open WebUI is ahead of Sendbird. On reach (how visible the ecosystem is beyond its own repos), Open WebUI is slightly ahead of Sendbird. On momentum (release cadence and how fast the ecosystem moves), Sendbird is 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. Sendbird shows 2,167 stars across 204 public repos, 69 active in the last 90 days and 13 external contributors. The star gap on its own does not decide the comparison, but Open WebUI's footprint is roughly 73.7x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Open WebUI is the stronger read for anyone weighting education. Sendbird looks better where momentum 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.