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.
Best matched with other inference tools.
A high-throughput and memory-efficient inference and serving engine for LLMs
Best matched with other inference tools.
vllm has the larger GitHub footprint with 86.9K stars.
vllm is currently growing faster at +606 stars this week.
vllm has the stronger automated maintenance signal at 88/100. This is not a security or fit verdict.
Use these signals to narrow your choice, then confirm setup, license, and fit upstream.
| Signal | Tensorzero | vllm |
|---|---|---|
| Evidence status | Basic listing· 2d ago | Recently verified· 2d ago |
| GitHub stars | 11.4K | 86.9K |
| Weekly growth | 0 | +606 |
| Health score | Healthy67/100 |
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| Contributors | 117 | 2.6K |
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| Commits per week | 56.1 | 208.8 |
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| Open issues | 382 | 4.9K |
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| Language | Rust | Python |
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| License | Apache-2.0 | Apache-2.0 |
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| Last commit | 2mo ago | 2d ago |
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| Last release | 2026.5.0 | v0.20.2 |
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