How to use AI on tevaxia.lu: complete 2026 guide
All tevaxia.lu AI features and how to leverage them to save time on Luxembourg real estate.
By Erwan Bargain · Background and qualifications · LinkedIn
01Automatic analysis of results
Where a tool offers AI analysis, the commentary uses information supplied by that tool. It is not an independent verification of data, applicable law or compliance with a professional standard.
Check inputs, units, reference dates and calculation limitations before using AI commentary in a dossier. Commentary does not replace supporting documents or professional review.
02Dossier drafting support
AI suggests drafts and helps identify missing information. Check every fact, source and calculation before use. It is not a qualified valuer and cannot certify a valuation’s compliance; checks and conclusions remain the professional’s responsibility.
AI suggests drafts and helps identify missing information. Check every fact, source and calculation before use. It is not a qualified valuer and cannot certify a valuation’s compliance; checks and conclusions remain the professional’s responsibility.
03PDF extraction (BYOK required)
To pre-fill a form from an existing document (promoter budget, capital-gain deed, EPC certificate), a 'Pre-fill from PDF' button triggers a vision extraction via your BYOK Anthropic key (for native PDFs) or OpenAI key (for scanned images). The model returns structured JSON that feeds the form fields directly.
This feature requires a BYOK API key from Gemini, OpenAI or Anthropic: Groq and Cerebras models don't handle vision. Gemini and Anthropic accept PDFs natively; OpenAI requires an image (JPG/PNG). 8 MB file limit. Currently available on /plus-values; other schemas (EPC, commercial leases) are supported by the B2B API on request. tevaxia pages handling PDF can be extended on request.
04Chat AI and public B2B API
A floating chat widget at the bottom right opens a free conversation with the Luxembourg real estate assistant. You can ask cross-cutting questions not fitting a specific tool: 'what VAT applies to mixed-use building renovation?', 'what majority to vote a roof refurbishment in a condominium?', 'how is the Bëllegen Akt computed for a non-resident couple?'. The assistant keeps multi-turn context.
For B2B integrators, three endpoints are accessible with a tevaxia API key (X-API-Key header) at the standard tier rate limit: `/api/v1/ai/analyze` (inline analysis), `/api/v1/ai/chat` (multi-turn), `/api/v1/ai/extract` (PDF extraction). Full documentation, cURL examples and JS/Python SDK at /api-docs. For high volumes or specific SLA, contact us for an enterprise tier.
Activate your AI key (BYOK) in 2 minutes
Configure your AI provider (free Google Gemini, Anthropic, OpenAI, Groq) in your tevaxia profile to unlock unlimited use, PDF extraction and the API.
Open my profileFrequently asked questions
Short answers to the most common questions on this topic.
Is tevaxia AI really free?
Yes: 5 analyses per day per signed-in user, no credit card or subscription. Beyond that, add your own Gemini, Groq, OpenAI or Anthropic key in your profile for unlimited use. The free tier uses Google Gemini 3.6 Flash, with automatic fallback to the other configured providers if it is unavailable.
Is my data sent to a third party?
Yes, requests transit through the configured AI provider (Google Gemini by default, or your BYOK key). Contexts sent contain only the current calculation's inputs and results — never personal data beyond that scope. Important: on the Gemini API free tier, Google may use prompts and responses to improve its products; don't use it for confidential data. For strong confidentiality, prefer Anthropic or OpenAI with an enterprise no-training contract, or a paid Gemini key (excluded from training).
Can AI replace a valuation professional?
AI suggests drafts and helps identify missing information. Check every fact, source and calculation before use. It is not a qualified valuer and cannot certify a valuation’s compliance; checks and conclusions remain the professional’s responsibility.
Which models are supported in BYOK?
Available providers are listed in your profile. Check models, data processing terms and costs with your chosen provider.
How to access the public tevaxia API?
On /api-docs you'll find full documentation of the 3 endpoints (analyze, chat, extract) with cURL examples, JS and Python SDK. Authentication via X-API-Key header. Standard rate-limit tier is free; for high volumes or SLA, contact us via /pricing for an enterprise tier.
What are the AI analysis limits?
Models occasionally make calculation errors or cite outdated references (knowledge cutoff varies by model). tevaxia injects up-to-date key figures (2026 rates, STATEC coefficients, Bëllegen Akt amounts) into the context to reduce these errors. For critical figures, always verify with our deterministic tools (calculators, simulators).
Official sources
Statutes, circulars and publications consulted for this guide.
Related tools
Complete your analysis with these other tevaxia tools.
Anthropic, OpenAI, Groq, Google Gemini — unlimited use.
3 endpoints: analyze, chat, extract — X-API-Key auth.
AI suggests drafts and helps identify missing information. Check every fact, source and calculation before use. It is not a qualified valuer and cannot certify a valuation’s compliance; checks and conclusions remain the professional’s responsibility.
PDF pre-fill + viability analysis.
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