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Field Notes

Field Notes

What daily bars hide: why our market data is the edge

We ran CVaR on 2,625 real one-minute bars from the Atlas Feed. Daily bars make intraday flash crashes invisible. The data is the edge. The optimiser just needs to be fed.

Oliver Billing 6 min read
Field Notes

Using LLMs for blogs: Cheating?

We ran the same prompt through four model aliases. One scored 33% AI on GPTZero. The others scored 100%. Here is what gives it away.

Ryan Ballantine 6 min read
Field Notes

OpenAI's 80% price cut, and what it doesn't change

Three weeks after GPT-5.6 launched, OpenAI cut its two cheaper tiers by up to 80%. The official story is efficiency; the list is really converging on open weights. The price was never the moat.

Ryan Ballantine 2 min read
Field Notes

Hugging Face and the trust problem

What a supply-chain incident at a model host says about where your weights live and who can reach them.

Ryan Ballantine 4 min read
Field Notes

Kimi K3 and the open-weight frontier

Moonshot AI released a 2.8-trillion-parameter open-weight model that trades blows with the closed frontier. The gap is closing in steps, and the steps are getting larger.

Ryan Ballantine 3 min read
Field Notes

GLM-5.2 and the open source frontier

GLM-5.2 lands within a point of the frontier on long-horizon coding. What it means for the open-source race, and the three things it unlocks: cost, performance, sovereignty.

Ryan Ballantine 1 min read
Field Notes

Sovereign by default

Sovereignty is not a deployment option you bolt on later. It is a property of where the weights sit and who can reach them.

Ryan Ballantine 3 min read