Cohere vs vLLM

Cohere (Empowering enterprises with private, powerful AI.) and vLLM both appear on the Smoower Developer Ecosystem Index.

vLLM (rank #48) holds a modest lead over Cohere (rank #278) on the overall Smoower ecosystem score (61 vs 46). 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), vLLM is clearly ahead of Cohere. On education (docs, guides and learning material for developers), Cohere is ahead of vLLM. On community (issue response, PR reviews and discussion health), vLLM is clearly ahead of Cohere. On reach (how visible the ecosystem is beyond its own repos), Cohere is clearly ahead of vLLM. On momentum (release cadence and how fast the ecosystem moves), Cohere is slightly ahead of vLLM.

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. vLLM shows 115,730 stars across 43 public repos, 35 active in the last 90 days and 881 external contributors. The star gap on its own does not decide the comparison, but vLLM's footprint is roughly 17.7x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Cohere is the stronger read for anyone weighting reach. vLLM 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.