Start free. Upgrade any time. No credit card needed for the Free tier.
Every edition runs the same 40+ cognitive dimensions.
See what's really in the argument.
Analyze any text for reasoning quality. Returns a letter grade, Reasoning Mode, and a dimension-level breakdown of logical structure across the Standard lens.
Free forever. Standard lens included.
Full cognitive analysis. All 7 lenses.
For readers and researchers evaluating content they did not produce. Not a publishing or submission tool. Full lens suite, improvement suggestions, unlimited analyses.
Cancel anytime. Billed monthly or annually.
Grade what students actually did with AI.
Scores whether a student applied their own cognition to AI-assisted work or submitted it unchanged. Dimension-level report shows exactly which reasoning gaps were present.
Individual educators buy direct. Institutions contact us for volume pricing.
Submit work you can actually defend.
Analyze your own paper or AI-assisted draft before submitting. See which cognitive gaps exist in the argument, fix them, and submit work your instructor cannot pull apart.
Subscribe monthly or pay per paper — whichever fits your semester.
Publish with a reasoning score readers can verify.
Submit your article, post, or long-form piece before publishing. Get dimension-level feedback on which cognitive errors remain. Earn an Arbitir™ Validated badge.
Pay per badge or subscribe for unlimited validations.
Publish work that holds up to scrutiny.
Pre-publication cognitive audit of research papers, policy documents, and academic arguments. Scored across Research, Standard, and Legal lenses.
Pay per paper or subscribe for active publishing seasons.
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