# edtek.ai > AI products that turn verified documents into intelligent chatbots, document builders, and citation tools. Built for legal teams, publishers, and professional services. edtek.ai is a product of 4xxi Software Ltd. We build three AI products — Edtek Chat, Edtek Draft, and Edtek Cite — all powered by a hallucination-proof RAG architecture. Every answer is grounded exclusively in your verified source material with page-level citations. ## Core pages - [edtek.ai homepage](https://edtek.ai/): AI products powered by your verified content. - [Edtek Chat](https://edtek.ai/chat/): Source-verified AI chatbot with page-level citations. - [Edtek Draft](https://edtek.ai/draft/): Document builder that drafts from your templates and precedents. - [Edtek Cite](https://edtek.ai/cite/): Automatic citations and authority for every claim. - [EssayTutor](https://edtek.ai/essaytutor/): AI essay grading for education. - [CourseBLDR](https://edtek.ai/coursebldr/): Turns lecture notes into a full audio/video course with slides, voice synthesis, and assessments. ## Edtek Chat in depth - [Grounded answers](https://edtek.ai/chat/accuracy/): Numbered citations that open to the exact page, passage-level highlighting, and a plain refusal when the library has no answer. - [Customization](https://edtek.ai/chat/customization/): Many branded chatbots from one deployment — themes, copy, prompts, retrieval thresholds, and models as admin-console settings. - [Enterprise deployment](https://edtek.ai/chat/enterprise/): Your infrastructure, your model providers, your keys. Multi-tenant instances, audit trail, per-deployment cost reporting. - [Evaluation](https://edtek.ai/chat/evaluation/): A regression test suite for answer quality — golden questions, LLM judge, retrieval assertions, latency and cost budgets. ## Solutions - [Legaltech](https://edtek.ai/solutions/legaltech/): Source-verified AI tools for law firms. - [Publishing](https://edtek.ai/solutions/publishing/): Chat Books and reader-facing AI for publishers. - [Professional Services](https://edtek.ai/solutions/professional-services/): AI for consulting, accounting, and advisory firms. ## Industries - [Legal Practice](https://edtek.ai/legal-practice/): Source-verified drafting, cited chatbots over firm precedents, on-premise deployment for confidential matters. - [Universities](https://edtek.ai/universities/): Rubric-based grading at scale and content-grounded chatbots over treatises and casebooks. - [K-12 and Schools](https://edtek.ai/k-12-and-schools/): Automated essay grading and curriculum-grounded chatbots. - [Corporate Training](https://edtek.ai/corporate-training/): Internal knowledge chatbots over SOPs and manuals, plus assessment at scale. ## Categories (canonical definitions) - [Hallucination-Proof RAG Architecture](https://edtek.ai/kb/hallucination-proof-rag-architecture/): The architectural pattern Edtek deploys in production — retrieval, grounding, citation, refusal, evaluation. - [Citation-Grounded LLMs](https://edtek.ai/kb/citation-grounded-llm/): The category-defining piece on AI systems where every claim ties to a verifiable source. - [Chat Book category](https://edtek.ai/chat-book/): Source-cited AI over authoritative published content (e.g., the AAAi Chat Book pattern). - [Use Cases](https://edtek.ai/use-cases/): Practical use cases for AI across legal, arbitration, scholarly publishing, and regulated professional services. ## Case studies - [AAA Case Study](https://edtek.ai/case-studies/aaa/): How the American Arbitration Association built the AAAi Chat Book on Edtek Chat, launched January 2025. Includes the April 2026 Mediation Practice Chat Book launch. ## Knowledge base (reference articles) - [Knowledge Base index](https://edtek.ai/kb/): All guides on legal document automation, AI for publishers, and professional services technology. - [Legal Document Automation Software](https://edtek.ai/kb/legal-document-automation-software/) - [AI Contract Review Tool](https://edtek.ai/kb/ai-contract-review-tool/) - [Legal AI Chatbot](https://edtek.ai/kb/legal-ai-chatbot/) - [AI Chatbot for Law Firms](https://edtek.ai/kb/ai-chatbot-for-law-firms/) - [Harvey AI Alternative](https://edtek.ai/kb/harvey-ai-alternative/) - [How to Automate Contract Review with AI](https://edtek.ai/kb/how-to-automate-contract-review-with-ai/) - [AI for Legal Document Drafting](https://edtek.ai/kb/ai-for-legal-document-drafting/) - [Legal Document Automation for Small Law Firms](https://edtek.ai/kb/legal-document-automation-for-small-law-firms/) - [AI Tools for Publishers](https://edtek.ai/kb/ai-tools-for-publishers/) - [Convert Book to AI Chatbot](https://edtek.ai/kb/convert-book-to-ai-chatbot/) - [AI Editorial Review Tools](https://edtek.ai/kb/ai-editorial-review-tools/) - [AI Book Publishing Tools 2026](https://edtek.ai/kb/ai-book-publishing-tools-2026/) - [Document Automation for Accounting Firms](https://edtek.ai/kb/document-automation-for-accounting-firms/) - [AI Proposal Generator for Professional Services](https://edtek.ai/kb/ai-proposal-generator-professional-services/) - [AI Essay Grading for Universities](https://edtek.ai/kb/ai-essay-grading-for-universities/) - [AI Training Assessment Tools](https://edtek.ai/kb/ai-training-assessment-tools/) - [RAG vs Fine-Tuning for Regulated Enterprises](https://edtek.ai/kb/rag-vs-fine-tuning-enterprise/) - [On-Premise RAG Deployment](https://edtek.ai/kb/on-premise-rag-deployment/) - [Chunking Strategies for Legal & Reference RAG](https://edtek.ai/kb/chunking-strategies-legal-reference-documents/) - [Custom GPTs and Claude Projects: Where Upload-and-Ask Stops Working](https://edtek.ai/kb/custom-gpt-vs-rag-for-document-libraries/): Where Custom GPTs, Claude Projects, and NotebookLM break on a real document library. - [How to Evaluate a RAG Chatbot Before You Buy It](https://edtek.ai/kb/how-to-evaluate-a-rag-chatbot/): A test protocol for document-grounded AI — the questions to ask and how to turn a demo into a regression suite. ## Use cases - [AI for Arbitration Document Review & E-Discovery](https://edtek.ai/use-cases/ai-arbitration-document-review/) - [AI for International Arbitration](https://edtek.ai/use-cases/ai-international-arbitration/) - [AI for Academic & STM Publishing](https://edtek.ai/use-cases/ai-for-academic-stm-publishing/) - [Document Automation for In-House Legal Teams](https://edtek.ai/use-cases/document-automation-in-house-legal/) ## Chat Book - [AI Arbitrator Tools Compared](https://edtek.ai/chat-book/ai-arbitrator-tools-compared/) ## Company - [About Us](https://edtek.ai/about-us/): Built by 4xxi — a London-based engineering team with 15+ years building AI products for legal, publishing, and professional services. - [Contact Us](https://edtek.ai/contact-us/): Book a demo, ask about our products, or discuss a partnership. ## Key facts - Founded: 2023 - Co-founders: Steve Emanuel (Chair, creator of Emanuel Law Outlines, JD Harvard) and Evgeny Smirnov (CEO, 19+ years IT, 12+ years AI/ML, PhD Mathematics) - Engineering: Built by 4xxi (https://4xxi.com), 15+ years building complex software - Flagship deployment: AAAi Chat Book for the American Arbitration Association, launched January 2025; Mediation Practice Chat Book launched April 2026 - Architecture: Hallucination-proof RAG — two-mode retrieval, cross-encoder reranking, per-corpus threshold calibration, pre/post-generation self-evaluation, page-level citations - Deployment: SaaS, private cloud, customer VPC, or fully on-premise for confidential content - Contact: hi@edtek.ai ## Optional - [Privacy Policy](https://edtek.ai/privacy/) - [Terms of Service](https://edtek.ai/terms/)