Idea Validation for Builders
Validate Your Idea, Fast.
Enter your idea — we scan Reddit, Twitter, and more, summarize with AI, and return a confidence score plus execution suggestions.
Reddit
Twitter
Hacker News
Product Hunt
and more
Trusted by founders and product teams
Why builders choose Cofounder AI
Understand the noise, focus on signals, and prioritize what to build next.
Real Community Signals
Mine conversations across Reddit, Twitter, Product Hunt, and more to surface authentic demand.
LLM Summaries
Let AI distill themes, sentiments, and highlights into clear summaries your team can act on.
Confidence Scoring
See traction potential at a glance with transparent scoring calibrated to real user chatter.
Next-Step Playbooks
Unlock actionable execution moves tailored to your idea, from launch tactics to messaging.
How it works
End-to-end validation, no spreadsheets required.
Enter your idea
Drop in a sentence about what you’re building and the audience you want to serve.
Scan & Summarize
We scan public conversations and summarise with AI to surface what matters.
Insights & Execution
You get insights, confidence score, and execution suggestions tailored to your idea.
See it in action
Pick a concept and explore the signal summary, sentiment, and confidence baseline.
Community Summary
Sentiment
Confidence
--%
Dig into the signal engine
Every layer makes it easier to back your next move.
Sources & Coverage
Track the conversations that matter with curated feeds from Reddit, Twitter, Hacker News, Product Hunt, and niche forums.
Sentiment & Trend Detection
Spot rising momentum, emerging pain points, and sentiment shifts before your competitors jump in.
Confidence Rationale
Understand which signals drive each score with transparent scoring breakdowns and supporting context.
Exportable Report
Download polished PDFs or CSVs to share with investors, teammates, or advisors in seconds.
Team Collaboration
Create shared notes, assign follow-ups, and keep stakeholders aligned with live updates.
Pricing that scales with you
Start validating for free, upgrade when you ship.
Billing:
Free
$0 /mo
- 3 analyses per month
- Core community sources
- Basic AI summaries
Most Popular
Growth
$48 /mo
- 25 analyses per month
- Full source coverage
- Exports & shareable reports
- Collaboration seats
Teams
$98 /mo
- Unlimited analyses
- Custom sources & SSO
- Audit logs & compliance
- Dedicated success manager
Frequently asked questions
Answers to the most common questions about our signal engine.
We monitor Reddit, Twitter, Product Hunt, Hacker News, and curated niche forums to capture the conversations shaping your space.
Scores combine volume, sentiment, recency, and engagement of discussions, weighted by audience relevance.
Your prompts stay encrypted and never train external models. You control who sees your results.
Yes. Export PDFs or CSV summaries, copy links for stakeholders, and embed highlights in your docs.
Teams plans include shared workspaces, role-based access, SSO, and granular permissions.
Ship with confidence.
Make informed decisions before you build.