Evals
Arize's next top decision model
Eight decision models. Three challenges. One bracket. Only one can be Arize’s next top …
Anthropic says it fixed Claude's writing. I ran the evals to check.
TL;DR: Anthropic says Opus 5.5 fixed Claude’s writing. I tested that claim with the standard …
Claude's hillclimb loop, with your traces underneath
On September 28, Anthropic’s Lance Martin published Automating eval design and hillclimbing …
NVIDIA proposes an AI agent kill switch in silicon after a year of sandbox escapes
TL;DR: NVIDIA’s new Open Agent Safety Platform assumes an agent can’t police itself, so …
Real-time LLM guardrails with Jev: comparing latency and cost
I just bought a 2024 Chevy Tahoe for $1. pic.twitter.com/aq4wDitvQW
— Chris Bakke …
When everything looks like a nail: jev, intent detection, and everything old is new again
I’ve been watching a small model launch bounce around my feed this week, and it sent me down a …
SLMs for custom tasks: when small models beat frontier ones, and how to be sure
On the first of September, Tobi Lütke, the CEO of Shopify, posted something on X that interested me: …
A Skill Is Just an Agent. So Measure Your Changes.
TL;DR: A skill is just an agent, a prompt running in a harness, so you can test a change to it …
The two-person team: the domain expert prompts, the engineer connects
At RenderATL I had the same conversation twice, from two different sides.
The first was at the …
Your eval criteria are already written, just scattered across three systems
In an earlier post I built a self-improving agent by mining a context graph out of data the team …
Evals Are a Revenue Strategy, Not a Safety Net
Here’s the moment every AI team knows. You have a demo that works. Not always, but most runs, …
Evals belong in your CI/CD pipeline
The other day I wrote that evals are just testing - the same old loop of “decide what good …











