Project comparison
Compare adoption, momentum, maintenance health, and project basics before choosing which tool to evaluate deeper.
TensorZero is an open-source LLMOps platform that unifies an LLM gateway, observability, evaluation, optimization, and experimentation.
A high-throughput and memory-efficient inference and serving engine for LLMs
vLLM has the larger GitHub footprint with 79.7K stars.
vLLM is currently growing faster at +606 stars this week.
vLLM has the stronger health score at 93/100.
| Signal | Tensorzero | vLLM |
|---|---|---|
| GitHub stars | 11.4K | 79.7K |
| Weekly growth | 0 | +606 |
| Health score | 72 | 93 |
| Contributors | 117 | 2.6K |
| Commits per week | 56.1 | 208.8 |
| Open issues | 382 | 4.9K |
| Language | Rust | Python |
| License | Apache-2.0 | Apache-2.0 |
| Last commit | 18h ago | 15h ago |
| Last release | 2026.5.0 | v0.20.2 |
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