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Builder-validator pattern by repeating prompts

April 4, 2026Aakash Gupta

Aakash Gupta cites a Google paper that repeating a prompt can improve results by forcing an iterate and validate loop, framing it as a practical builder-validator pattern for higher-quality outputs.

Google just published a paper confirming that pasting a prompt in twice literally improves output quality.
Carl Vellotti calls it the builder-validator pattern.
But if you tell it "iterate
When an AI runs its own work, it has no self-reflection to know if it did the job right.
Aakash Gupta
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