I’m a Director of Engineering at Samsara, working across Safety and Telematics. I write about edge AI, firmware-to-cloud systems, engineering leadership, and the practical systems I build around coding agents.

Read the AI engineering series · About my leadership scope

This site is a record of the work behind the outcomes: the decisions, experiments, tools, failures, and operating practices that make the next result more trustworthy.

Anthony DiPerna

Recent writing

Where a hundred billion tokens went

9 minute read

In May I built a dashboard to watch a week of token burn. This month I asked it about the whole year. It told me a third of the evidence was gone, and then i...

What the tokens bought

6 minute read

At work the pull-request chart is a hockey stick. At home I have the same chart in lines of code, and I believe it about as much. Here is what I measured ins...

A ledger that outlives the logs

5 minute read

A usage dashboard that only reads what is on disk forgets everything the tools forget. Version 0.5 keeps a ledger instead, and the first run of it found that...

How I use AI (November 2026)

16 minute read

I use AI from two seats. The weekend seat is where I find out what agents can do. The weekday seat is where I find out what it costs to trust them.