Local AI Glossary
What is Vector index?
Source: paperswithcode/ann-benchmarks
A data structure for fast approximate nearest neighbor (ANN) search in high-dimensional spaces. Common vector index types: HNSW (most popular), IVF (faster, less accurate), Flat (exact, slow).
How Vector index fits in the local AI stack
Vector index is part of the broader local AI ecosystem. See the related guides, comparisons, and tools below to see how it applies in practice.
See also
- Full Local AI Glossary
- All learn topics
- What is Local AI?
- Quantization explained
- Hardware requirements
- How to choose a local LLM