Together vs vLLM

Together and vLLM both appear on the Smoower Developer Ecosystem Index.

vLLM (rank #47) holds a meaningful lead over Together (rank #455) on the overall Smoower ecosystem score (61 vs 39). The gap of 22 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 Together. On education (docs, guides and learning material for developers), vLLM is ahead of Together. On community (issue response, PR reviews and discussion health), vLLM is clearly ahead of Together. On reach (how visible the ecosystem is beyond its own repos), Together is ahead of vLLM. On momentum (release cadence and how fast the ecosystem moves), Together is slightly ahead of vLLM.

Together carries 20,220 GitHub stars across 101 public repos, with 40 repositories active in the last 90 days and 2 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 5.7x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Together is the stronger read for anyone weighting reach. vLLM looks better where code quality 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.