Open to freelance and consulting

Construction data,
AI agents, and
whatever broke
this weekend.

~/full-stack dev · project controls · local AI

Twenty years of code, ten of them on billion-dollar EPC projects. I build RAG pipelines and agentic workflows for the messiest data in industry, run a rack of 3090s and a Blackwell at home, and write down what breaks (a lot breaks).

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0+

Years Programming

1→0M

Fireship Growth

0+

Years Professional

$0B+

In Projects Managed

Lab Notes

The blog. What broke, what I learned, and what it cost. Roughly monthly, always longer than planned.

NVIDIA Sold Me Half of My Tensor Cores

NVIDIA Sold Me Half of My Tensor Cores

NVIDIA rates the RTX 3090 at half rate for BF16 and FP16. I ran gpu-unlock on image, video, LLM, embedding, and speech models. The gain follows the math path.AISelf HostingGPU
My First Local AI Model Was an Autocomplete Server. Its Last Customer Was an AI Agent.

My First Local AI Model Was an Autocomplete Server. Its Last Customer Was an AI Agent.

I evicted my self-hosted autocomplete model to make room for Cloudflare's Clef, a local Jev alternative, and found its only remaining user was an AI agent.AISelf HostingDeveloper WorkflowAI Agents
I Benchmarked Nine Models to Spec a Four-GPU Node. Every Single Number Crowned the Wrong Winner.

I Benchmarked Nine Models to Spec a Four-GPU Node. Every Single Number Crowned the Wrong Winner.

I have to spec a two-to-four card inference node, so one Blackwell went on the bench first. Every throughput test picked one winner. Then a benchmark that actually compiles the code scored it 28.9% against 64.4%.AISelf Hosting
Tony Costanzo

Who's Writing This

Self-taught on MMORPG servers, ten years in construction project controls, and four years at Fireship helping grow the channel from 1M to 4M subscribers. These days most of my week is AI agents and industrial data. I've worn a lot of hats (some of them hard hats).

Learn my story

What People Say

“

I began working with Tony several years ago on a basic website with some functionality. He delivered exactly what I asked for and has never left our side. Every request, every question…he comes through! I couldn’t ask for a better person to hold our hand through all of the small things we don’t understand.

“

We've worked with Tony on numerous projects and have always found his meticulous attention to detail and upbeat, can-do attitude to be hugely empowering. He writes clean code that we can easily build upon and he is able to quickly shift pace to accommodate changing requirements - an enormously useful trait to have!

“

I had a great experience working with Tony. He is a skilled web developer, responsive, efficient, and focused on getting things done. With a well-defined scope, the work proceeded smoothly and matched what we planned. I would confidently recommend him to anyone looking for reliable development support.

Let's Talk Shop

Ugly data, an AI idea that needs to survive contact with reality, or a web app that should already exist.. I'd like to hear about it.