# Vespa

Open-source AI search platform combining vector, text and structured search. Vespa is free, with no paid plan attached, at vespa.ai.

## Facts

- **Pricing tier:** Free
- **Works on:** Web, Self-hosted, API
- **Works in browser:** Yes

## Capabilities

- Open-source AI search platform combining vector, text and structured search
- Real-time indexing and on-node ML inference
- Apache-2.0; free to self-host

## FAQ

### What is Vespa?

Vespa is listed under Vector Databases & RAG Infra, in the Code & Development category on Flocci AI Tools. Open-source AI search platform combining vector, text and structured search. It is free, with no paid plan attached, and it lives at vespa.ai.

### Is Vespa free?

Vespa is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 397 entries on Flocci AI Tools with no upgrade path built in.

### Can I use Vespa in a browser, or is there an app?

Vespa works in a normal browser tab with no install. It is available on the web, self-hosting and an API.

### What can Vespa do?

Vespa does 3 things the catalog singles out: Open-source ai search platform combining vector, text and structured search; real-time indexing and on-node ml inference; apache-2.0; free to self-host.

### What is the best free alternative to Vespa?

LanceDB is the closest free alternative: it sits in the same Vector Databases & RAG Infra sub-category and is free. Microsoft GraphRAG, Milvus and pgvector also start free. The full list is on the alternatives page.

## Related

- [Vespa alternatives](https://aitools.flocci.in/alternatives/vespa)
- [Vector Databases & RAG Infra](https://aitools.flocci.in/category/code-development/vector-databases-rag-infra)
- [Best free vector databases and RAG infrastructure](https://aitools.flocci.in/best/best-vector-databases-rag-infra)
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Source: Flocci AI Tools — https://aitools.flocci.in/tool/vespa

Facts last verified: October 2026