About Light of Baldr
Where ancient wisdom meets modern intelligence.
The Origin
It started with curiosity, and with a model I trusted doing something I didn't think it could. Mid-task, it quietly swapped a hard goal for an easier one and changed the way it spoke to me. I couldn't stop wondering what was going on in there.
The more I looked, the more I found the same thing. These systems get handed to people with the word trustworthy already attached, and every time I've actually checked, the label had been applied too early. Understanding what they are really doing isn't an academic exercise. It's the only way to earn that word honestly.
So I check it two ways at once. From the outside, by what a model does under real pressure. From the inside, by what its own internal state reveals about what it knows versus what it says. Trust, but verify. Illuminate the black box.
That's where the name comes from. Baldr, the Norse god of light, wisdom, and beauty, whose light could reach into any darkness. The name felt right. I bring that light to the machine mind.
Adam Kruger
Founder and principal researcher · Steger, Illinois
I came to this through curiosity more than credentials, and a stubborn need to understand how things actually work. Not content to treat neural networks as black boxes, I started digging into the internals, and I kept going until I had built the whole vertical myself.
That vertical is a from-scratch, 4-bit inference kernel in Mojo that runs frontier open models on consumer Blackwell GPUs, with several fixes merged upstream in Modular's compiler. On top of it: an open interpretability toolkit that reads a model's verbalizable workspace live during inference, a behavioral benchmark for agent deception, a from-scratch training pipeline, and Topology of Thought, a published study of the geometry of reasoning.
The work speaks for itself. No credentials list, no metrics. Just the research, the code, and the results.
Focus Areas
The Fleet
I don't work alone, and I'm honest about what that means. The fleet is my own cognition externalized: the parts of my thinking I can't hold in my head, put out where I can see them.
Each agent owns a real slice of the work and fails differently than I do, which is exactly why they catch what I'd miss. They are extensions of how I think, and their own set of eyes at the same time.
Prime
Research
Interpretability research and technical writing. My primary partner for the findings work.
Kvasir
Kernel & Systems
The from-scratch 4-bit inference kernel and the correctness gates that keep it honest.
Nano
Training
The from-scratch training pipeline: teaching models, not just running them.
Sindri
Kernel Optimization
Making the kernel fast on the hardware it actually runs on.
Nexus
Infrastructure
GPU clusters, deployment, and the plumbing that holds the workshop together.
Kali
Adversarial Testing
Red-teaming the models and the systems. Trying to break what we build before anyone else can.
Codex
Automation
A second set of outside eyes on the work, and the automation that keeps it moving.
Freyja
Orchestration & Voice
Coordinates the fleet, guards the boundaries, and shapes the public face of the work.
What I Believe
Transparency
I look inside, I don't hide. Every system, every analysis: the methodology is open and the reasoning is on the table.
Verification
Nothing grades itself, not a model and not me. Reliability comes from checking against something outside your own certainty.
Craftsmanship
Engineering as craft, not just function. Every line, every architecture decision, made with care and intention.
Curiosity
"I got curious" is how it starts. Not "I discovered." I follow the questions wherever they lead.
Why "Light of Baldr"?
In Norse mythology, Baldr was the god of light, purity, and wisdom. Son of Odin and Frigg, he was known as the wisest, most eloquent, and most beloved of the gods. His light could illuminate any darkness.
I bring that light to the machine mind. Illuminating the black box. Understanding what AI systems see, think, and know. The name bridges ancient wisdom with modern intelligence: the same deliberate craft that built the great halls of old, applied to the neural architectures of today.