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Test ideas with AI audiences in minutes. Validate with real humans in hours. All in one tool. Our AI audiences predict actual consumer behavior with 86–95% accuracy.
Hey Product Hunt! 👋
I'm Natalia, co-founder of Reason8.
Every marketer and founder knows this moment: you're about to hit "publish" on a LinkedIn post, swap your hero headline, send a pitch deck to a big account, or launch a new product - and there's that quiet voice in the back of your head: "is this actually going to land?" The honest answer is usually: ship it and hope. Because proper research takes weeks, and the decision is tomorrow.
Reason8 is built for that exact moment.
Describe what you're about to ship, and our AI audiences - which predict actual consumer behavior with 86–95% accuracy - tell you what real people would think. In minutes, not weeks.
A few things people use it for every day:
→ "Which of these 3 LinkedIn posts will perform best with SaaS founders?"
→ "Is this new hero copy clearer than what's on our site now?"
→ "What's missing from our sales deck - what would stop a CMO from buying?"
→ "What do people actually think about my new product before I launch it?"
→ "Which positioning angle wins with skeptical buyers?"
And when AI simulation isn't enough, you can spin up real human interviews in hours - inside the same tool, no separate panel, no scheduling hell.
We built Reason8 because we watched too many great ideas ship half-baked, and too many good ones killed by committee. Marketers and founders shouldn't have to pick between moving fast and shipping with conviction.
I'd love your honest take today:
What's the last thing you shipped where you wished you could've gut-checked it first?
If you could simulate one audience right now, who would it be?
Any testing or research tool I should be learning from?
Try it, break it, tell me what sucks - I'm reading every comment today 🙏
~ Natalia
I was recently talking to a bunch of first time founders and a lot of them struggled to validate their idea as they didn't had any users. Reason8 can be a nice tool to help them out! Nice work @natalia_zak and team.
Wow, it sounds great!
Curious how Reason8 handles ultra-niche B2B. In markets with a few hundred specialist buyers globally, three real conversations tend to beat anything simulated. The objections that matter usually come from a domain context that isn't really on the public internet for a model to learn from.
LFG!
Wow, this is so cool... How do you evaluate if an AI persona corresponds to real world people?
Nice... moving from guessing what users think to actually talking to them at scale.
What I love here is the combination of depth + speed.
Traditional research forces you to choose one. This breaks that tradeoff completely.
Huge respect to the team for pushing this forward
Also - proud to say that MD Fellowship is supporting Reason8 on this journey! :)
LFG!
Wow, this can be a game-changer for B2B SaaS Product Marketers. I always struggled with either no budget or no time for proper persona research. And when I had it, we could test only a limited number of things. I'm wondering how easy it is to test micro things (like a landing page copy or a cold outreach email flow) with Reason8. Looking forward to taking this for a spin.
How do you measure 86–95% accuracy? Do you have any proof it actually works? Huge if true...
Looks great - will be helpful when we're expanding to aerospace and energy!
About Reason8 on Product Hunt
“User research on autopilot”
Reason8 was submitted on Product Hunt and earned 53 upvotes and 23 comments, placing #78 on the daily leaderboard. Test ideas with AI audiences in minutes. Validate with real humans in hours. All in one tool. Our AI audiences predict actual consumer behavior with 86–95% accuracy.
Reason8 was featured in A/B Testing (20.4k followers), Marketing (463.2k followers) and Artificial Intelligence (467.3k followers) on Product Hunt. Together, these topics include over 161.6k products, making this a competitive space to launch in.
Who hunted Reason8?
Reason8 was hunted by Natalia Żak. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
Want to see how Reason8 stacked up against nearby launches in real time? Check out the live launch dashboard for upvote speed charts, proximity comparisons, and more analytics.
Natalia Żak