
Why Your Data Lake Needs BLM, Not LLM
Last Updated on July 4, 2025 by Editorial Team
Author(s): MKWriteshere
Originally published on Towards AI.
βYour data lake investment became a βcesspoolβ the moment you tried solving structured data problems with text-generating AI.β β Bill Inmon
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Your $15+ billion data lake investment just became a liability.
Youβre not alone. 85% of big data projects fail according to Gartner research. The $15.2 billion data lake market grew over 20% in 2023, yet most enterprises canβt extract value from their textual data.
Bill Inmon β the βGodfather of Data Warehousingβ, calls these failed implementations βcesspoolsβ and βdata swamps.β
Hereβs why your current approach isnβt working. And what does?
Vendors keep pushing the same broken solution: βJust add ChatGPT to your data lake!β
This advice will cost you dearly.
ChatGPT burns $700,000 daily just to stay operational. Enterprise implementations run $3,000-$15,000 monthly for mid-sized applications. For organizations processing 100K+ queries, youβre looking at $3,000-$7,000 per month in API costs alone.
Thatβs before infrastructure overhead.
But cost isnβt the real problem. The fundamental issue is much worse.
When you analyze 10,000 customer support tickets, you donβt want ChatGPT writing essays about customer feelings.
You need structured data.
Sentiment scores. Categorized issues. Trend metrics. Actionable insights that populate dashboards and drive decisions.
ChatGPT gives you more text to read. Thatβs the opposite… Read the full blog for free on Medium.
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Published via Towards AI