Data sources
Preuve AI
40+ live sources (Crunchbase, Trends, Reddit, PH, G2)
IdeaProof
AI-generated (Claude 3.5 + GPT-4, both from 2024)
Comparison
Preuve AI vs IdeaProof
Both tools validate startup ideas with AI. The difference is where the data comes from and whether you can verify it.
TL;DR: Preuve AI scans 40+ live sources and links every claim to its origin. IdeaProof generates analysis from LLM models without external source verification.
Last updated: April 17, 2026
Side by side
Feature comparison at a glance
AI models
Preuve AI
7 model families in parallel (Gemini, Claude, GPT, Grok + Exa retrieval)
IdeaProof
Claude 3.5 + GPT-4 (released 2024)
Source linking
Preuve AI
Every claim links to its origin
IdeaProof
No source links
Report sections
Preuve AI
13 interactive sections
IdeaProof
10 sections, 20+ pages
Pricing model
Preuve AI
$29 one-time per report
IdeaProof
Credit-based from EUR 19
Free tier
Preuve AI
Free viability scan
IdeaProof
70 free credits (~2 validations)
Scoring approach
Preuve AI
6 frameworks, median score ~50. No accuracy claim - every source linked for you to verify.
IdeaProof
Claims "89% accuracy" with no methodology, no benchmark, no definition of what "accuracy" means for startup validation.
Investor package
Preuve AI
$299 (pitch deck, memo, financial model)
IdeaProof
Not available
Output format
Preuve AI
Interactive dashboard + shareable link
IdeaProof
PDF export
Competitor mapping
Preuve AI
Live data with funding, pricing, traction
IdeaProof
AI-generated list
TAM/SAM/SOM
Preuve AI
Bottom-up with sources
IdeaProof
Included (methodology unclear)
Pivot recommendations
Preuve AI
Yes, based on competitive gaps
IdeaProof
Not available
Brand / visual identity
Preuve AI
Not included
IdeaProof
Included in Builder tier (EUR 49)
Pricing checked manuallyFeature pages reviewedVerifiability checked
The core difference
The fundamental difference: where does the data come from?
Preuve AI
Live source scanning
- 10 agents across 7 model families search 40+ sources in parallel
- Models cross-validate against live data, not against each other
- Competitors found on Crunchbase with real funding data
- Demand signals from Reddit, forums, review sites
- Every data point links back to its source
- You can click any claim and verify it yourself
IdeaProof
LLM-generated analysis
- Runs 4 LLMs and merges their outputs
- Competitor data comes from model training data
- Claims "89% accuracy" - no methodology, no benchmark, no ground truth defined
- No source links - claims are unverifiable
- Cross-validates models against each other, not against live data
- Looks comprehensive but can't be fact-checked
The real test
Does the tool ever say no?
A validator that tells every founder their idea is great isn't validating anything. It's a feel-good machine.
IdeaProof and similar tools
~78
average score
AI-generated analysis with no live data to disagree with. High scores feel good but don't mean much.
82767985748177
Preuve AI · 4,000+ ideas
~50
median score
6 scoring frameworks against 40+ live sources. Only 18.3% of ideas earn a go verdict. If your idea scores well, it earned it.
44523867487241
A low score isn't a rejection - it's a fix list. The gap between a 48 and a 72 is usually 2-3 fixable problems.
Fair assessment
What IdeaProof does well
IdeaProof has strengths worth acknowledging. Here's where they deliver value.
Brand identity tools
Generates visual identity and brand strategy at the Builder tier (EUR 49). Useful if you need early-stage branding.
Marketing assets
Includes ad concepts and marketing copy at the Founder tier. Saves time on early marketing materials.
Why Preuve AI
What Preuve AI does differently
Live source scanning
40+ sources searched in real-time, not from training data. Crunchbase, Google Trends, Reddit, Product Hunt, G2, and more.
Verifiable claims
Click any data point to see its source. No trust required. Every competitor, funding round, and demand signal links back to where we found it.
Honest scoring
We tell founders when their idea needs work. Only 18.3% of ideas earn a go verdict. Six scoring frameworks mean the data pushes back when the numbers don't add up.
Investor-ready deliverables
$299 package with pitch deck, investment memo, 18-month financial model, and competitive teardown. Built for due diligence, not just brainstorming.
Interactive dashboard
Shareable link with 13 interactive sections. Filter competitors, drill into market data, and share specific sections with co-founders or investors.
Competitor intelligence
Real competitors with real funding data, real pricing, and real traction. Not a list of names from an LLM's training data.
Verdict in one minute
Who should use which tool
IdeaProof wins when bundled brand assets matter more than proof. Preuve AI wins when you need validation that can hold up in a real decision.
IP
Choose IdeaProof if
- You want brand identity and visual assets included
- You prefer credit-based pricing in EUR
- You want marketing copy and ad concepts generated
- Source verification isn't critical for your use case
Choose Preuve AI if
- You need evidence-backed validation with source links
- You want honest scoring that tells you when to pivot
- You need investor-ready deliverables
- You want to verify every claim in your report with one click
Verify everything
Fact-checking IdeaProof's marketing claims
“89% accuracy”
IdeaProof cites this on every page - their compare page, feature matrix, and CTAs. We searched ideaproof.io for the methodology behind this number. No source, no study, no explanation of how it was measured. If a startup put an unverifiable accuracy claim in a pitch deck, investors would flag it immediately.
“Real-time Data Sources”
Their feature matrix gives IdeaProof a green checkmark for “Real-time Data Sources.” Their analysis is generated by Claude 3.5 and GPT-4 - both released in 2024, now two generations behind. These models use training data with knowledge cutoffs. LLM inference on outdated models is not the same as querying live APIs.
“$0 per validation / 100% free forever”
Their feature matrix lists “$0 cost per validation” and “100% free forever.” Their pricing page shows three paid plans at EUR 19, EUR 49, and EUR 99. The free tier includes 70 credits.
“Claude 3.5 + GPT-4”
IdeaProof lists these models as a feature. Both were released in 2024 - in AI, that is a generation behind. Preuve AI runs the latest 2026 models. We don't publish which ones to prevent copycats, but every analysis uses the most capable models available at the time of your scan.
The challenge
The Proof Test
Run the same idea through both tools. Click the links in our report. Then try clicking the claims in theirs.
Test your idea free→Join 80+ entrepreneurs who upgraded
FAQ
Common questions about Preuve AI vs IdeaProof
Is IdeaProof accurate?
IdeaProof claims 89% accuracy but doesn't disclose the methodology, benchmark dataset, or definition of "accuracy" for startup validation. There is no industry-standard ground truth to measure against. Preuve AI takes a different approach: instead of claiming a number, every data point links to its source so you can verify accuracy yourself.
Which tool gives real market data?
Preuve AI pulls from 40+ live sources (Crunchbase, Google Trends, Reddit, Product Hunt, G2) and links every claim to its origin. IdeaProof uses multi-model AI to generate analysis without external data verification. The distinction matters when you need to trust the numbers.
Can I try both tools for free?
Yes. Preuve AI offers a free viability scan (score + risks + 2 competitor previews). IdeaProof offers 70 free credits (approximately 2 validations). Try both and compare the outputs.
What is the best startup validation tool in 2026?
It depends on what you need. If you want evidence-backed analysis with verifiable source links, Preuve AI is the only tool that delivers this. If you want brand identity and marketing assets bundled with validation, IdeaProof offers that at higher tiers.
Does IdeaProof offer investor packages?
As of April 2026, IdeaProof does not offer dedicated investor deliverables. Preuve AI offers a $299 Investor Package with pitch deck, investment memo, 18-month financial model, and competitive teardown.
IdeaProof features and pricing based on ideaproof.io as of April 2026. Features may have changed. All trademarks belong to their respective owners.