Concept
What is Requirement Based Evaluation?
Requirement-Based Evaluation is narrowing a set of vendors by applying the buyer's specific requirements, one after another, and keeping only the vendors that can credibly meet each one.
How it works
A buyer states or implies requirements. Each one is applied to the current set; vendors that do not clearly meet it are dropped. Because the requirements come in one at a time, the survivors, and the leader, can change at every step.
Why it matters
Requirements are the one constant. Tools and platforms change, but buyers always narrow by requirements. Understanding which ones decide your category is how you learn where you get cut.
Limitations
What it does not do.
Knowing the requirements is not the same as meeting them, and meeting them is not the same as getting credit for them. An AI has to be able to connect you to a requirement through evidence. Requirement-based evaluation explains where you are tested; evidence strategy is about whether you pass.
The deeper question
Being found is not the same as being chosen.
Requirement-based evaluation is the how behind the whole decision. It is what the research studies directly: which requirement removes you, and whether that repeats.
It is not a checklist you grade yourself on. It is what an AI applies to you, which is why it has to be watched rather than assumed.
Where it fits in how a buyer decides
Requirement-based evaluation is the heart of the process. It sits between the recommendation and the evidence check, and it is where surviving, getting cut, and the lead changing hands all play out.
This is how a buyer’s decision unfolds, step by step. The Upstream Zero measurement workflow is how the company watches that decision, diagnoses it, acts on it, and measures it.
Commercial outcomes
Where this touches the business.
The logic is direct: requirements decide the shortlist, and the shortlist decides the deals you are in. Surviving the requirements that matter in your category is what keeps you in contention for pipeline and win rates. Upstream Zero identifies those requirements and measures whether your standing on them moves; it does not promise a downstream number.
Go deeper
Research components
How the work is done
Common questions
- Who defines the requirements?
- The buyer, spelled out or implied, and the AI interprets them. That interpretation can vary, which is why we study requirement interpretation as its own research component.
- How do we know which requirements cut us?
- By running a category through realistic requirement sequences and recording where you drop out. That is what an Evaluation Audit produces.