Hello, I'm Sara!
I'm an experienced Python software engineer currently based in Europe. I write and give talks about LLMs, NLP, GenAI and AI in general. I'm an open-source contributor and former CERN employee.
Recent Posts
June 12, 2026
What's an agent harness?
The intelligence of modern AI agents is due to the LLMs, but their practical capabilities only exist thanks to their harness.
May 26, 2026
Reasoning effort defaults across the GPT-5.x family
If you never pinned the reasoning effort across model upgrades, you may have accidentally changed your reasoning effort dramatically.
May 18, 2026
Smarter Systems with Leaner Models
Token prices keep falling with every new model release. So how come AI bills are only rising? Is it structural, or is there a way to address it?
March 24, 2026
Setting the temperature to zero will make an LLM deterministic?
We all know LLMs don't always respond the same thing to slight changes of prompt. But why does their answer differ also when the prompt is identical? And what can we do to prevent it?
Recent Talks
May 19, 2026
The Economist's Impact 2nd AI Compute Summit - Smarter systems, leaner models: reducing compute costs without sacrificing quality
April 29, 2026
ODSC AI East - From RAG to AI Agent
April 23, 2026
Women in Data Science Geneva - From RAG to AI Agent
March 19, 2026
Warsaw IT Days - From RAG to AI Agent & LLMs That Think: Demystifying Reasoning Models