# LanceDB vs Zilliz: who uses which

On usedby, 16 companies use LanceDB and 19 use Zilliz. 2 companies use both, including Nvidia and Exa. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side. Latest check 2026-10-06: 35 of 35 public lines checked.

## Side by side

|  | [LanceDB](https://www.usedby.ai/tools/lancedb.md) | [Zilliz](https://www.usedby.ai/tools/zilliz.md) |
|---|---|---|
| Public customers | 16 | 19 |
| Confirmed | 11 | 12 |
| Observed | 5 | 7 |
| Signals (job posts) | 0 | 0 |
| Top industries of named customers (confirmed or observed) | Artificial Intelligence (3), DevTools & Infrastructure (2), Data & Analytics (1) | Artificial Intelligence (3), Media & Publishing (2), Sales Tech & CRM (2) |
| Category | Vector Databases | Vector Databases |
| Free trial | — | Free trial or free plan available. ([zilliz.com](https://zilliz.com/pricing), checked 2026-10-07) |
| Integrations | — | LangChain, Databricks, Confluent, Prometheus, Datadog, HoneyHive, Cohere, Haystack, FiftyOne, DSPy, Voyage AI, Jina AI ([zilliz.com](https://zilliz.com/product/integrations), checked 2026-10-07) |

## Companies named on both

Confirmed or observed on each side.

| Company |
|---|
| [Nvidia](https://www.usedby.ai/companies/nvidia.md) |
| [Exa](https://www.usedby.ai/companies/exa.md) |

## Published results

Reviewed stories only; usedby did not measure the figures.

- Zilliz: [Plaud](https://www.usedby.ai/case-studies/plaud-zilliz.md): **under 200ms**: “Recall returns in under 200ms on average and under 800ms at P99” (captured by usedby 2026-10-06)
- Zilliz: [Read AI](https://www.usedby.ai/case-studies/read-ai-zilliz.md): **5×**: “Read AI has achieved a 5× speedup in agentic search across diverse data sources” (captured by usedby 2026-10-06)

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Source: https://www.usedby.ai/compare/lancedb-vs-zilliz · How we check: https://www.usedby.ai/methodology