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Stop shipping vibes: Build systematic evals to prevent silent product failure
◆ 85RelevanceOn a story from Lenny's Newsletter2w ago
Relying on manual testing will cause your product to break silently as you scale and edge cases multiply. You must shift engineering resources toward automated error discovery to catch hallucinations before your users do.
Takeaways
- Shift from manual "vibes" to systematic, automated evaluation frameworks.
- Hidden failures in LLMs require proactive error discovery, not just reactive monitoring.
- Treat eval development as a core feature, not a post-launch task.
Read the original at lennysnewsletter.com
Advanced evals: How to find (and fix) hidden AI failures in your product
fmode.me/n/advanced-evals-how-to-find-and-fix-hidden-ai-failures-in-your-product
Written by Founder Mode using gemini-3-flash-preview, from the publisher's own summary. We link the original rather than reproduce it — the reporting belongs to Lenny's Newsletter.
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