“I do not regret any cent spent. Much different from ChatGPT or Claude. I keep coming back to my report.”
Find out if your idea works.
Preuve AI scans 60+ live sources to score your idea, map competitors, and surface what you can't see. Used by 169+ entrepreneurs.
No card. 60 seconds.
Unlike ChatGPT-based validators that generate opinions from training data, Preuve AI retrieves real data from Crunchbase, Google Trends, Reddit, Product Hunt, G2, and 45+ other sources - then links every claim to its origin. Over 7,000+ startup ideas have been analyzed across 13 industries since 2026. The median viability score is 54 out of 100, and only 17.5% of ideas earn a go verdict at 70 or above.
7,000+
ideas scanned
60+
live sources
13
industries
60s
avg free scan
Last updated: August 2026 · View as Markdown
The entrepreneurs who survive validate first.
You have an idea. ChatGPT will tell you it's brilliant. Friends will be polite. Six months in, you'll discover what the market already knew.
Preuve scans 60+ live sources in under a minute. Crunchbase for funding. Reddit for real complaints. G2 for what users actually say. Every claim links to its source. CB Insights found 42% of startups fail from no market need. That's the blind spot Preuve catches.
You leave with the 3 reasons it could fail, the 2 reasons it could work, and a verdict you can defend to a business partner, an investor, or yourself.
“The products that worked found the problems early. The ones that flopped had blind spots nobody caught.”
VincentFounder, Preuve AIHow the AI Actually Works
This is not a ChatGPT prompt. It's an agentic RAG pipeline.
Step 1
Parallel Web Search
Autonomous AI agents search the live web in parallel. Crunchbase, Google Trends, Reddit, Product Hunt, G2, and 45+ other sources. Real data, retrieved in real time.
Step 2
Filter & Verify
Junk sources get filtered out. Competitors, funding rounds, market size, community signals, and risk factors are extracted and cross-referenced against multiple sources.
Step 3
Score & Synthesize
Verified facts feed a reasoning model that scores your idea. Standard code handles deterministic logic. The AI handles only the heavy synthesis. Every claim links to a source.
Why "not a ChatGPT wrapper" matters
Most AI tools paste your input into a prompt and return whatever the model hallucinates. We don't. The AI never invents competitors, never guesses market sizes, never fabricates data. It synthesizes facts that were already retrieved and verified from live sources. That's why every number in your report has a clickable source link.
Built by a solo founder

Vincent
Founder of Preuve AI · Paris
5 years in B2B growth marketing. Helped startups and scale-ups build acquisition systems and align sales and marketing ops. Watched too many founders burn months on ideas nobody wanted, so he built the validator that checks real market data instead of guessing.
After 7,000+ scans: median viability score 54/100. Only 17.5% earn a GO verdict.
From the Preuve AI scan corpus. Updated quarterly.
What Entrepreneurs Say
Entrepreneur feedback from review platforms, Product Hunt, and direct messages.
“First tool that gives a comprehensive analysis. Market research, elevator pitch, competitors, pivot recommendations - would take ages manually with an LLM.”
“The data are on point and the recommendations are accurate. I even discovered a copycat of my idea that launched weeks ago!”
Find the blind spots before you build.
60+ data sources. Every claim linked to a source.
No credit card required
Questions? support@preuve.ai