Free Interactive Tool
RAG Cost Calculator
At 50,000 daily queries, a paisa and a half per query is ₹750 a day — ₹22,500 a month. Enter your catalog size and volume. See the actual number before it surprises you on the cloud bill.
Interactive Tool · Chapter 10
API Cost Calculator
Real prices from evaluation/evaluate.py: embed $0.02/M · LLM input $0.15/M · output $0.60/M.
55,000
110,000
Assumptions
Chunks per product5
Avg tokens per chunk60
Prompt overhead300 tokens
Avg output35 tokens
Top-K retrieved3 chunks
Ingestion (one-time)
Total chunks250
Embed tokens15,000
Ingestion cost
$3.00e-4₹0.025
Per-query inference
Embed$2.00e-7
LLM input (490 tokens)$7.35e-5
LLM output (35 tokens)$2.10e-5
Per query
$9.47e-5₹0.008
Daily
$9.47e-4
₹0.080
Monthly (30 days)
$0.028
₹2.39
At these volumes, the system costs less than ₹2.39 per month — well within hobby or beta range.
Book 1 · Chapter 10 — The Production Cost Model
Understand where every rupee goes in your RAG stack
Chapter 10 of The AI Engineer walks through the full cost model behind this calculator — token math, amortisation across daily queries, and how to forecast costs before you scale.
Read Chapter 10 — Free →