LiveKit vs Runway

LiveKit (Open source WebRTC and realtime AI infrastructure) and Runway (Building AI to Simulate the World) both appear on the Smoower Developer Ecosystem Index.

LiveKit (rank #63) holds a modest lead over Runway (rank #317) on the overall Smoower ecosystem score (59 vs 44). The gap of 15 points reflects composite signals across code, docs, community and reach.

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

LiveKit carries 39,530 GitHub stars across 108 public repos, with 59 repositories active in the last 90 days and 247 external contributors on record. Runway shows 2,435 stars across 61 public repos, 16 active in the last 90 days and 0 external contributors. The star gap on its own does not decide the comparison, but LiveKit's footprint is roughly 16.2x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

LiveKit is the stronger read for anyone weighting community. Runway looks better where reach 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.