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Notes from building in public

Write-ups on validating an AI startup idea before building it: what the evidence says, what founders get wrong at go-to-market, and what we learn running the playbooks with them.

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Comparisons

Top 8 IdeaProof Alternatives in 2026

Compare 8 IdeaProof alternatives in 2026 by evidence, depth, rigor, actionability, speed and value, with screenshots, pricing and clear trade-offs for founders.