Cohere vs vLLM

Cohere (Own your AI. Empowering enterprises with private, powerful systems and builders with accessible, open-source models.) and vLLM both appear on the Smoower Developer Ecosystem Index.

vLLM (rank #85) holds a modest lead over Cohere (rank #273) on the overall Smoower ecosystem score (58 vs 47). The gap of 11 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), vLLM is slightly ahead of Cohere. On momentum (release cadence and how fast the ecosystem moves), vLLM is ahead of Cohere.

Cohere carries 6,688 GitHub stars across 67 public repos, with 20 repositories active in the last 90 days and 14 external contributors on record. vLLM shows 131,658 stars across 52 public repos, 43 active in the last 90 days and 1,044 external contributors. The star gap on its own does not decide the comparison, but vLLM's footprint is roughly 19.7x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Cohere is the stronger read for anyone weighting education. 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.