UnderstudyvsvLLM
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Understudy | vLLM | |
|---|---|---|
| Score | 48/100 | 91/100 |
| Rank in category | #110 of 209 in AI Agents | #3 of 25 in LLM Inference |
| GitHub stars | 465 | 95 785 |
| Stars, last 30 days | — | +3 233 |
| Stable releases, 12 months | 0 | 14 |
| Latest release | — | v0.32.0 · 17 Oct 2026 |
| Setup | Moderate | Moderate |
| Official Docker image | No | Yes |
| License | MIT | Apache-2.0 |
| Main language | Typescript | Python |
Which one should you pick?
vLLM scores 91/100 against 48/100 for Understudy, so it is the safer default.
vLLM ships more often: 14 stable releases in the past year, against 0 for Understudy.
vLLM is growing faster right now (+3 233 stars in 30 days).
Understudy details →vLLM details →