Weaviate 1.39 Adds 4-bit Rotational Quantization, Cutting Heap Memory by ~45%

Weaviate 1.39 introduces 4-bit rotational quantization, cutting heap memory usage by about 45% while preserving recall close to 8-bit levels, along with faster imports and improved full-database search performance.

2026-09-17 ~ 2026-09-18 · 2 related posts

• Weaviate 1.39 adds 4-bit Rotational Quantization, cutting heap memory 45% — CShorten30 · 2026-09-17

1 near-duplicate retellings: CShorten30