# LanceDB vs Weaviate: who uses which

On usedby, 16 companies use LanceDB and 60 use Weaviate. No company is listed with both yet. 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: 65 of 76 public lines checked.

## Side by side

|  | [LanceDB](https://www.usedby.ai/tools/lancedb.md) | [Weaviate](https://www.usedby.ai/tools/weaviate.md) |
|---|---|---|
| Public customers | 16 | 60 |
| Confirmed | 11 | 17 |
| Observed | 5 | 42 |
| Signals (job posts) | 0 | 1 |
| Top industries of customers | Artificial Intelligence (3), DevTools & Infrastructure (2), Data & Analytics (1) | Artificial Intelligence (5), Fintech & Payments (5), Data & Analytics (2) |
| Category | Vector Databases | Vector Databases |
| Data processing terms | — | A data processing agreement is available. ([weaviate.io](https://weaviate.io/dpa), checked 2026-10-03) |
| Free trial | — | Free trial or free plan available. ([weaviate.io](https://weaviate.io/pricing), checked 2026-10-03) |
| Integrations | — | Airbyte, Confluent, Databricks, Unstructured, LlamaIndex, LangChain, DSPy, Haystack, CrewAI, Snowflake, Mem0, N8n ([weaviate.io](https://weaviate.io/product/integrations), checked 2026-10-03) |
| Pricing | — | Free: $0 /mo; Flex: $45 /mo; Premium: contact sales ([weaviate.io](https://weaviate.io/pricing), checked 2026-10-03) |

## Published results

Reviewed stories only; usedby did not measure the figures.

- Weaviate: [Booking.com](https://www.usedby.ai/case-studies/booking-com-weaviate.md): **40%**: “Weaviate outperformed OpenSearch by 20x at scale and with 40% lower operational costs” (captured by usedby 2026-10-02)
- Weaviate: [Delegance](https://www.usedby.ai/case-studies/delegance-weaviate.md): **$20M**: “Delegance holds $20M in premium under management across 40 accounts” (captured by usedby 2026-10-02)

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