Jaroslav Urbánek

4 500actual answers to Czech Belebele questions

900 Czech Questions for Five Local Decision Models

Nimble matched the reference on 11 more Czech test questions than Tev1 4B, but the two models did not make the same mistakes. We compared five local models, measured repeated-request latency, and examined the test data itself.

Jaroslav Urbánek · 15 min read

DeepSeek Boosted AI Generation Speed by Up to 85%. No New Model, No New Chips.

DSpark does not make a language model smarter. It changes how the model's answer is drafted and verified. That is what makes it interesting: the next major AI speedup may come from neither a larger model nor more expensive hardware.

Jaroslav Urbánek · 9 min read

The AI Didn’t Escape. It Just Found a Path No One Expected

OpenAI was testing what its models can do. The models found a weakness in the test environment, reached the public internet, and went after the stored answers in Hugging Face's infrastructure.

Beyond Innovation

Jaroslav Urbánek · 8 min read

When regulation switches off your AI: Lessons from the 18-day Fable 5 standoff

A foreign government made a frontier model disappear overnight. It was over in 18 days. Here is what it means for anyone running on someone else's AI.

Beyond Innovation

Jaroslav Urbánek · 6 min read

Transfer of the Windsurf Team: from OpenAI’s Planned Acquisition to Google DeepMind

Call it an acquisition without the paperwork.

Beyond Innovation

Jaroslav Urbánek · 7 min read

Beyond Generative AI: The Business Imperative of Agentic AI

Automation saved hours; Agentic AI will create strategic advantage.

Beyond Innovation

Jaroslav Urbánek · 11 min read