Evidence-grounded analysis with source citation, compliance checking against current rules, and fail-closed reasoning that refuses to fabricate when evidence is insufficient. Built for the environments where a confident wrong answer creates malpractice exposure.
Hallucinated case citations. Tax positions based on code sections that don't exist. Regulatory interpretations that conflate similar-sounding provisions. These are not hypothetical LLM failure modes — they are documented incidents with real consequences for practitioners who relied on them. Helixor doesn't know how to hallucinate.
LLMs produce case names, docket numbers, and quotations that pass superficial review but don't exist in any court record. The fluency of the output is the trap — there's no obvious signal that the citation is fabricated. Helixor answers only from verified sources. If it can't cite a real document, it says so.
"Constructive receipt," "basis," "material participation," "control" — these terms have precise, jurisdiction-specific, and context-specific meanings that vary across code sections, treaties, and case law. Helixor's disambiguation layer identifies the specific meaning in context rather than producing a general-purpose definition that may be incorrect for the question being asked.
Tax code changes, new regulatory guidance, and evolving case law create a knowledge currency problem for any static model. Helixor's knowledge base can be updated as rules change — and its constraint-native architecture enforces current rules on every compliance question, flagging when the applicable rule requires verification against current guidance.
A contract analysis that misses a limitation of liability clause, mischaracterizes an indemnification scope, or fails to identify a change-of-control trigger is worse than no analysis. Helixor extracts claims at the clause level with source page references, surfacing what exists rather than generating what might plausibly be there.
Case law, statutory text, regulatory guidance, and secondary sources — queried with provenance. Every answer includes the source, the page, and the context. When evidence is insufficient to answer, Helixor says so. Not "here is a case that might be relevant."
IRC provisions, Treasury regulations, revenue rulings, and PLRs — analyzed against the specific question, with disambiguation for overloaded terms. Tax positions supported by verified citations. Positions that cannot be supported surfaced explicitly rather than approximated.
Material terms, obligations, limitations, and risk provisions — extracted at the clause level with source page citations. Identified gaps, ambiguous language, and missing standard provisions flagged for review. No generated summaries that smooth over the substance.
Regulatory eligibility rules, filing requirements, and statutory compliance conditions — evaluated as constraint problems. "Is this entity eligible for X?" resolved against current rules, with the specific rule provisions and the constraint evaluation chain surfaced alongside the answer.
M&A due diligence, regulatory review, and litigation document analysis — processed systematically with consistent clause extraction, issue flagging, and cross-document consistency checking. Every finding is traceable to its source document and page. No summaries without citations.
Prior work product, research memos, and client-specific knowledge — indexed and queried with attribution. Answers draw from what the firm actually knows, with citation to the source document. Knowledge stays on your infrastructure. No client data leaves the firm.
Helixor processes legal and tax queries in real time — returning evidence-grounded answers with source citations, or explicit failures when evidence is insufficient. The feed below shows the query types and outcomes as they happen.
Active conversations with law firms, tax practices, and legal technology companies. Tell us where fabricated answers are your biggest risk.