Niki.ai

Work out the KV cache reduction when 32 query heads share 8 KV heads

Predict which response wins after length normalization is applied

Which output side guardrails belong on a customer facing RAG answer?

Pre-filter or post-filter on metadata: which one can leave you with fewer than k results?

Why smolagents bets on code as action and what changes in a multi-agent setup

When Ray Serve is the right wrapper around an LLM serving runtime

When does hybrid (dense + BM25) retrieval outperform pure dense for context engineering?

MFU defined: what does this training dashboard metric capture?

Identify the most common pooling strategy in SBERT family encoder embeddings

Estimate the RAM cost of an HNSW index over 100M vectors at 1024 dimensions with M=32, including graph overhead.