Decode the tax code with AI.
Search the IRC, Treasury Regulations, and Tax Court opinions with citation-tracked answers.
Full IRC + Treasury Regs
Plus Tax Court opinions and rulings
Code Decoder
Search the Internal Revenue Code with plain-English queries. AI explains complex provisions with citations.
Tax Court Cases
Search Tax Court opinions for precedent on deductions, classifications, and penalty abatement.
Deduction Analyzer
Evaluate deduction eligibility against statute, regulation, and case law. Risk-scored for audit defense.
Treasury Regulations
Full Treasury Regulation corpus indexed and searchable with AI-powered analysis.
The quaer.ai Advantage
Only tax research tool backed by 190M-node legal knowledge graph
IRC + Treasury Regs + Tax Court linked to broader case law network
Every answer citation-tracked — defensible in audit and litigation
Transparent Pricing
BYOK Plan
$49/mo
Bring your own OpenAI/Anthropic key. Pay only for what you use.
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Start researching immediately — no signup required.