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Diana Pfeil

AI/ML consultant

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Red flags when building AI

Some of my clients are highly competent product and engineering organizations. They have a proven rhythm for building and shipping software. But when they start building AI or ML features for the first time, that rhythm necessarily gets disrupted.

A case for CTOs writing code

As a CTO, once my engineering team grew large enough, I found it extremely difficult to spend any time writing code. And all the prevailing wisdom backed that up as a good thing:

Golden Datasets: The Essential First Step for AI-Powered Apps

One of the biggest process shifts for teams building AI-powered apps is baking in time to create a golden dataset before building the system.

The Power of Moving LLM Reasoning into Latent Space

There are plenty of tasks that the large LLMs we use every day are still terrible at. One category: simple puzzles that require generalizing from limited examples, interpreting symbolic meaning, and flexibly applying rules, like those in the ARC-AGI benchmarks. These problems are dead-simple for humans to solve.

The Year of Creation!

I’m a little sheepish to admit this, but I’m kind of a self-improvement junkie.

How to generate diverse LLM responses

The paper Verbalized Sampling: How to Mitigate Mode Collapse and Unlock LLM Diversity describes a surprisingly simple and effective way to get diversity out of an LLM, avoiding mode collapse. It’s a fun one!

Jobs to be done for ML features

I’ve been working with two clients recently who are building recommender systems. (Think: recommending fitness classes based on people’s goals. Not a real client example, but you get the idea.)

UX Patterns for AI Features

Everyone’s first instinct for making their product feel more modern and “AI-native” is adding a chat interface.

How does fine-tuning change a model’s provenance?

I’ve been digging into model provenance, or how we trace where large AI models (like LLMs) come from, who trained them, and what they’re built on.

Beyond the Basics of Claude Code

A few months ago I was exploring Claude Code to get a feel for how it handled some of my projects. But I was also feeling a little limited…like I suspected there was so much more I could do, I just didn’t know what.