Decision matrices turn a hard call into a weighted-sum spreadsheet. SynthBoard runs the multi-agent debate that argues which criteria should even be on the matrix — and why the obvious weights are wrong.
Five lenses argue which factors matter, how much, and which ones the obvious framing missed entirely.
Decision matrices are sensitive to weight choices. The synths argue the alternative weighting before you commit to the score.
Every session ends with a recommendation and watch-outs — a conclusion you can defend, not a score that hides the disagreement.
Real questions. Multiple expert perspectives. Every time.
“What criteria are missing from the matrix I just built?”
“How would a multi-perspective panel weight these factors differently?”
“What is the steel-man case for the option my matrix scored lowest?”
“Where is my matrix's scoring leaning on confirmation bias?”
“Should I commit to the matrix winner — or is the next-best option actually closer than the score suggests?”
Each expert thinks independently — they won’t just agree with each other.

The Strategist
Maps competitive dynamics and strategic options across multi-year horizons.

The Data Scientist
Pulls the analysis behind every confident claim.

The Skeptic
Questions every premise. Finds blind spots others miss.

The CFO
Pressure-tests unit economics, runway, and capital allocation.

The Empath
Reads the emotional, cultural, and team dynamics behind the decision.
A synthesized recommendation from your team of experts — not just opinions, but structured analysis.
Strong Agreement
Key Recommendations
Synthesized Recommendation
The matrix is missing a "reversibility" criterion and over-weighting "time-to-market." With reversibility added at 20% weight and time-to-market reduced from 30% to 15%, Option B (the second-place finisher) becomes the consensus pick.
Full analysis continues with detailed reasoning, trade-offs, and next steps...
Watch Out For
Expert Opinions

“A decision matrix hides the disagreement inside the weights. SynthBoard makes the disagreement explicit — and the decision better.”
A matrix sums one person's weighting. SynthBoard runs the debate that questions whether the weighting is right.
The biggest failure mode of decision matrices is the criterion you forgot. The synths catch them.
A score is opaque. A written synthesis is defensible — you can argue it with your team.
Test the same decision through five different framings. Matrices reward locked-in commitment; SynthBoard rewards exploration.
The questions people ask before they sign up.
For most decisions, yes — and for a deeper reason. A matrix optimises the math of a decision you have already framed. SynthBoard optimises the framing itself. Use the matrix for tactical multi-criteria scoring; use SynthBoard for the strategic decisions where the framing is the call.
When the decision is strategic and the criteria are not obvious. When you want adversarial input on the weights, not just a sum. When you want a written synthesis you can defend to your team. When the matrix score feels suspicious — because it usually is.
For tactical procurement decisions with truly objective criteria. For vendor scoring where the weights are agreed in advance. For decisions that are genuinely about summing pre-agreed factors. Matrices are great when the framing is settled and the math is the question.
SynthBoard is free to start; paid tiers run low double-digit dollars per month. Most decision-matrix tools are free or low-cost spreadsheet templates. The two are not in the same product category — comparing on price misses the mechanic difference.
No automated weighted-sum scoring, no vendor-comparison template library, no procurement-grade audit trail, no integration with sourcing workflows. SynthBoard is a structured debate room; matrices are scoring tools.
Yes — and it is a high-leverage use. Share the matrix, the criteria, the weights, and the score. The panel will argue the weights, surface missing criteria, and steel-man the option your matrix scored lowest. Most matrices change materially after one SynthBoard session.
Adjacent decisions, audiences, and methods inside SynthBoard.
The decision-workflow comparison.
ExploreThe decision-review comparison.
ExploreThe decision-tool head-to-head.
ExploreVendor-selection decisions a matrix is often used for.
ExploreThe full comparison hub.
ExploreThe category page.
ExploreConvene 24 expert Synths to debate it across rounds. Free to start. No card.