# TopK vs vLLM — developer ecosystem comparison

> Side-by-side comparison of TopK and vLLM on public developer-ecosystem signals.

TopK (Pushing state of the art, one flamegraph at a time.) and vLLM both appear on the Smoower Developer Ecosystem Index.

vLLM (rank #93) holds a meaningful lead over TopK (rank #830) on the overall Smoower ecosystem score (58 vs 28). The gap of 30 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 TopK. On education (docs, guides and learning material for developers), vLLM is clearly ahead of TopK. On community (issue response, PR reviews and discussion health), vLLM is clearly ahead of TopK. On reach (how visible the ecosystem is beyond its own repos), vLLM is clearly ahead of TopK. On momentum (release cadence and how fast the ecosystem moves), vLLM is clearly ahead of TopK.

TopK carries 104 GitHub stars across 17 public repos, with 8 repositories active in the last 90 days and 5 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 1265.9x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

TopK is worth a look for teams already invested in its stack. 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.

## Scores

| Metric | TopK | vLLM |
| --- | --- | --- |
| Overall score | 28.0 | 58.0 |
| Overall rank | #830 | #93 |
| Category | ai | ai |
| Code & Polish | 40.0 | 82.0 |
| Education | 49.0 | 74.0 |
| Builder experience | 0.0 | 0.0 |
| Community | 19.0 | 77.0 |
| Reach | 23.0 | 54.0 |
| Momentum | 22.0 | 45.0 |

## Full reports

- TopK: https://www.smoower.com/topk-io.md
- vLLM: https://www.smoower.com/vllm-project.md

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HTML version: https://www.smoower.com/compare/topk-io-vs-vllm-project
Machine index: https://www.smoower.com/llms.txt · MCP server: https://www.smoower.com/mcp · REST API: https://www.smoower.com/api/v1