Insights, tutorials and best practices from the world of Cloud, DevOps and Open Source
AI
Local AI for Tax Firms: §57/§62a StBerG, §203 and the RAG Path
Capturing receipts, pre-qualifying client emails, researching in tax-authority letters - AI can save enormous time in a tax firm. The problem is not the AI...
Self-Hosted ChatGPT: vLLM with Qwen3.5-122B on Two RTX PRO 6000 Blackwell GPUs
Your own ChatGPT, running entirely in-house: a familiar chat interface, a large language model on your own hardware behind it, without a single prompt going...
Self-Hosted Langfuse: LLM Observability and AI Logging for the EU AI Act
Anyone bringing AI into production business processes quickly faces an uncomfortable question: what is actually happening in there? Which prompt went to which model, why...
Lovable vs Bolt vs v0: Honest Comparison 2026
Vibe coding has become mainstream in 2026. If you search for Lovable vs Bolt vs v0, you are probably trying to answer one practical question:...
EU AI Act: High-Risk Obligations Deferred to December 2027 - What Still Starts in August 2026
The EU AI Act's high-risk obligations do not start on 2 August 2026. Stand-alone high-risk systems under Annex III now have until 2 December 2027,...
Llama 4 vs. Qwen 3.5 vs. DeepSeek V4: Which Open-Source Model for Local Enterprise AI?
2026 is the year of open-source LLMs. Almost every flagship model is a Mixture of Experts (MoE): massive parameter counts but efficient inference because only...
Let's Talk About Your Idea
Whether a specific IT challenge or just an idea - we look forward to the exchange. In a brief conversation, we'll evaluate together if and how your project fits with WZ-IT.
Arrange a callback
Selected customers and projects
Timo Wevelsiep & Robin Zins
Managing Directors of WZ-IT