Fireworks.ai vs Open WebUI

Fireworks.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 #190) holds a modest lead over Fireworks.ai (rank #430) on the overall Smoower ecosystem score (50 vs 40). The gap of 10 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 Fireworks.ai. On education (docs, guides and learning material for developers), Open WebUI is clearly ahead of Fireworks.ai. On community (issue response, PR reviews and discussion health), Open WebUI is slightly ahead of Fireworks.ai. On reach (how visible the ecosystem is beyond its own repos), Open WebUI is ahead of Fireworks.ai. On momentum (release cadence and how fast the ecosystem moves), Open WebUI is slightly ahead of Fireworks.ai.

Fireworks.ai carries 359 GitHub stars across 29 public repos, with 19 repositories active in the last 90 days and 43 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 444.7x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Fireworks.ai is worth a look for teams already invested in its stack. Open WebUI looks better where education 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.