Debate Logic Referee

A referee for arguments — not for who is right.

Log a back-and-forth debate. Detect contradictions, logical fallacies, double standards, changed definitions, and weak reasoning as the conversation happens. With confidence scores, quoted evidence, and zero pretending to be flawless.

Got an invite code?

Join a live debate as a guest — no account needed.

Claim extraction

Every message is split into typed claims before any analysis runs.

Fallacies & contradictions

25 fallacy types and 12 contradiction patterns, with quoted evidence.

Confidence scoring

Issues below 50 are hidden. Uncertain calls say 'needs clarification'.

Neutral scoring

Consistency and evidence scores per speaker — no moral judgment.