Navigate

Where to?
Pick your path.

Engineering Guides & Career Advice

In-depth engineering guides written against stated tool versions, plus course and career advice for working professionals in India.

AILatest

RAG vs Long Context: Why Bigger Context Windows Didn't Kill Retrieval

RAG vs long context, with the arithmetic: per-query cost, prefill latency, effective context length, prompt caching limits, and when each one wins.

33 min readRaj

Verified against NoLiMa (arXiv:2502.05167v3); Self-Route (arXiv:2407.16833); vendor pricing read 2026-09-22