startup idea validation

Validate before you build the product.

siift helps founders turn a promising business idea into a testable case. Surface the assumptions that matter, collect real evidence & know exactly what to validate next.

siiftidea signalevidence updated
validation strength68/100

Promising signal. Two critical assumptions remain.

Riskiest assumptionsimpact
  • Problem urgency6 customer interviewsvalidated
  • Willingness to pay2 weak signalstesting
  • Reachable buyerno direct evidenceunknown

highest-impact next moveTest price sensitivity with 5 qualified buyers

2 days
  • 01

    risk-first assumption mapping

  • 02

    evidence-weighted validation

  • 03

    clear next experiments

the market is the judge

A convincing answer is not validation.

General-purpose AI can generate a plausible market, customer and business model for almost any idea. That feels productive, but it often leaves the central question untouched: what has the market actually proven? siift separates what you know from what you merely hope is true by assigning evidence-weighted confidence scores, then focuses your effort on the assumptions most likely to break the business.

The goal is not to make your idea sound smarter. It is to make the decision to build, change or stop more informed.

how it works

From business idea to evidence

A structured, automated validation loop keeps the right data connected to the business decision it is meant to support.

  1. 01

    Map out your data

    siift organizes your ideas and data across customers, problems, solutions and revenue—as assumptions by default in an intelligent business canvas. Weak claims and hidden dependencies become visible before they become expensive.

  2. 02

    Test the riskiest assumptions

    Turn uncertainty into focused customer interviews, competitor research, landing-page tests and other practical experiments. Each test has a decision attached to it, not just a pile of notes.

  3. 03

    Iterate on strategy

    Validated feedback and traction signals carry more weight than early beliefs. As evidence changes, siift updates your master context granularly to better inform all future advice and shows what deserves attention next.

validation inside the New Business OS

Quantify uncertainty: know what is true, weak & unknown.

siift does not treat every sentence in a chat as equally reliable. Its truth hierarchy keeps assumptions, observations and verified signals distinct across the Founder Journey through a patent-pending scoring system that quantifies confidence in each piece of information.

  • 01 / focus

    Riskiest-assumption filter

    Rank uncertainty by how much it could change the business, so you stop polishing low-impact details while existential questions remain unanswered.

  • 02 / evidence

    Validation scoring

    Track the strength of the evidence behind each part of the idea and see where confidence comes from—not just a single, unexplained score.

  • 03 / action

    Practical experiments

    Convert a vague need for ‘more research’ into specific interviews, tests and signals with a clear learning objective.

  • 04 / memory

    Evidence that compounds

    Keep customer quotes, research and results connected to the assumptions they support, so the next decision starts with the latest reality.

  • 05 / objectivity

    Bias & blind spot checks

    Challenge motivated reasoning, selection bias and convenient interpretations before they harden into the product roadmap.

  • 06 / clarity

    Decision-ready views

    See insights, actions & results in one canvas instead of reconstructing the state of your idea from disconnected chats and documents.

why siift

Less validation theatre. More decision quality.

The difference is not how much AI produces. It is how reliably the system moves an uncertain idea toward a defensible decision.

decision pointdisconnected AIwith siift
starting point

disconnected AIAn open-ended prompt and a blank chat

with siiftA structured map of the business and its dependencies

feedback

disconnected AIPlausible opinions that sound confident

with siiftClaims separated by evidence strength and business impact

progress

disconnected AIResearch saved in scattered threads and documents

with siiftNew signals update the context behind the whole strategy

next move

disconnected AIMore ideas, questions and things you could do

with siiftThe few tests most likely to change your decision

when to use it

Useful before, during, and after you start building

  • 01idea stage

    Choose what deserves a real attempt

    Compare ideas by customer urgency, founder fit, competition and practical paths to revenue before committing months of work.

  • 02pre-MVP

    Reduce avoidable product risk

    Test demand, willingness to pay and the narrowest useful solution before turning assumptions into code.

  • 03stalled startup

    Find the assumption that stopped holding

    Revisit the evidence behind your positioning, segment or channel when traction is weaker than expected.

frequently asked

Startup idea validation, quantified.

Clear answers for founders deciding how—and where—to use AI.

What is startup idea validation?

Startup idea validation is the process of testing whether a real customer problem, reachable market and workable business model exist before investing heavily in the solution. Good validation reduces uncertainty with observable evidence; it does not try to prove the founder right.

How does siift help validate a business idea?

siift maps the assumptions behind the idea, identifies the ones with the greatest business impact, recommends focused validation steps, turns the evidence into structured confidence scores and connects the resulting evidence back to the strategy. Its truth hierarchy gives validated signals more influence than untested beliefs.

Does siift replace customer interviews?

No. Customer conversations, sales attempts and observed behaviour are often the strongest sources of validation. But siift helps you make sure they are quality signals by filtering out bias and blind spots when deciding who to speak with, what to test and, most importantly, how to interpret the result and what the result should change.

Can I use siift before I have an MVP?

Yes. That is one of the best times to use it. You can validate the problem, customer, value proposition, pricing assumptions and routes to market before committing to a full product build.

How is this different from asking a chatbot if my idea is good?

A chatbot can critique or expand an idea in one conversation. siift maintains a structured business canvas, distinguishes assumptions from evidence and carries validated context into later research, planning and execution.

partners

  • Founder University logo

build with evidence

Give your ideas the attention they deserve.

Map the assumptions, find the signal & focus on the right things to build.