Anthropic vs Runway

Anthropic and Runway (Building AI to Simulate the World) both appear on the Smoower Developer Ecosystem Index.

Anthropic (rank #45) holds a modest lead over Runway (rank #385) on the overall Smoower ecosystem score (63 vs 43). The gap of 20 points reflects composite signals across code, docs, community and reach.

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

Anthropic carries 608,522 GitHub stars across 97 public repos, with 45 repositories active in the last 90 days and 736 external contributors on record. Runway shows 2,513 stars across 63 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 Anthropic's footprint is roughly 242.1x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Anthropic 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.