head to head · open source
vllm vs lancedb
vllm has 92,028 GitHub stars, 22,335 forks, 7,953 open issues and last shipped yesterday. lancedb has 11,449 stars, 1,053 forks, 627 open issues and last shipped yesterday. vllm leads on adoption by 704% (92,028 vs 11,449 stars). vllm is written in Python under Apache-2.0; lancedb is written in Rust under Apache-2.0. vllm has attracted 24% as many forks as stars, lancedb 9%. vllm was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| vllm | lancedb | |
|---|---|---|
| GitHub stars | ★ 92K | ★ 11K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | Rust |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 22K | ⑂ 1.1K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick vllm if
- You weight community size — 92K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick lancedb if
- You want the lancedb feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and lancedb fits your workflow better
About vllm
vLLM is a high throughput, memory efficient Python library for LLM inference and serving, built for ML engineers and platform teams who need to run open weight models on their own hardware at production scale.
About lancedb
LanceDB is an open source, developer friendly embedded retrieval library for multimodal AI, maintained in Rust and released under the Apache 2.0 license. It describes itself as a multimodal AI lakehouse: a single place where developers can build, train and analyze AI workloads over vectors, metadata and multimodal data such as text, images, videos and point clouds. It is built on top of the Lance columnar format, which provides the storage layer for efficient storage and analytics.
read the full lancedb overview →
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Frequently asked questions
Is vllm or lancedb more popular?
vllm has 92,028 GitHub stars and lancedb has 11,449. vllm has the larger community by that measure.
Are vllm and lancedb free?
Both are open source. vllm is licensed under Apache-2.0 and lancedb under Apache-2.0. Neither carries a licence fee.
What is the difference between vllm and lancedb?
vllm is written in Python and lancedb in Rust. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, vllm or lancedb?
Choose vllm if you want the larger community (92,028 stars) or its Apache-2.0 licence terms. Choose lancedb if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.