I cut small AWS charges by picturing them at 100x scale
In June 2026, I started reviewing my AWS bill. The goal was not to shave a few dollars off this month. Even a charge that is only a few dollars toda…
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Cutting Cloud Costs with a Few Habits
The Silent Budget Killer Cloud bills creep up. You start with a small instance, a managed database, and a bucket. A year later, you're paying for re…
Backblaze B2 vs Self-Hosted S3: Which Saves More Money?
Backblaze B2 vs Self-Hosted S3: Which Actually Saves More Money in 2026? Backblaze B2's pricing is about as simple as cloud storage gets: $0.00695/G…
The cheap model is only cheap for half your tasks
Most of us pick a model the same way: read a leaderboard, pick the best one we can afford, ship it. Then the bill arrives and the "cheap" model turn…
Best-of-N is prepaid retries: the cost math of racing parallel attempts
Originally published on Loop & Retry — field notes on building LLM agents that survive production. Here's the pitch for best-of-N: instead of tr…
Your token bill is the cheap part: dimensioning the real cost of an agent
Originally published on Loop & Retry — field notes on building LLM agents that survive production. The token bill is the cost you can see, becau…
Context window sizing for fine-tuning: how long should your training examples be?
Originally published on Loop & Retry — field notes on building LLM agents that survive production. Most fine-tuning guides answer "how many exam…
One API key across OpenAI, Claude and Gemini: how to compare token cost per model
Bottom line: if you want one API key across OpenAI, Claude and Gemini and you're choosing mainly on token cost, put a thin router in front of your a…
Cost Attribution in Shared Infrastructure
Your shared Kubernetes cluster costs $80k/month. Which team owes what? If your answer is 'I don't know,' you have a finops problem that's about to b…
Cost Attribution in Shared Infrastructure
Your shared Kubernetes cluster costs $80k/month. Which team owes what? If your answer is 'I don't know,' you have a finops problem that's about to b…
Grok 4.5 vs Claude Opus 4.8: Same Code, a Quarter of the Tokens?
xAI has a bold pitch for Grok 4.5: it codes about as well as Claude Opus 4.8, but does it with roughly a quarter of the tokens. That's not a "we're…
The most expensive outages return HTTP 200
A 500 is an unexpected jolt from your sleep, while a 200 silently drains your savings. That's the bug you never get trained for. All is functioning.…
One shared AI API key is not a team workflow
A shared AI API key feels fast when a team is still experimenting. One teammate builds a customer demo. Another wires an internal support bot. Someo…
HPA vs VPA vs KEDA: Which Kubernetes Autoscaler Actually Cuts Your Cloud Bill
Autoscaling is supposed to save money. A lot of the time it doesn't, because people reach for the wrong kind. Kubernetes gives you three common opti…
LLM cost optimization for real products
LLM features are cheap to prototype and surprisingly expensive to run at scale. A demo that costs pennies becomes a five-figure monthly bill once re…
How to Control CloudWatch Logs Costs on ECS
How to Control CloudWatch Logs Costs on ECS? Originally published at https://fortem.dev/blog/cloudwatch-costs-ecs ECS sends all logs to CloudWatch w…
Tokenmaxxing Is a 2026 Anti-Pattern: Why Your Team's Token Bill Is Up 10x and What
Tokenmaxxing Is a 2026 Anti-Pattern: Why Your Team's Token Bill Is Up 10x and What to Cut First There's a word floating through engineering Twitter…
Per-Customer LLM Cost Reports (Without Rearchitecting Your Billing Pipeline)
Book: LLM Observability Pocket Guide: Picking the Right Tracing & Evals Tools for Your Team Also by me: Thinking in Go (2-book series) — Complet…
LLM Trace Storage Cost: Why Your S3 Bill Exploded, and 3 Fixes
Book: LLM Observability Pocket Guide: Picking the Right Tracing & Evals Tools for Your Team Also by me: Thinking in Go (2-book series) — Complet…
What GenAI Actually Costs in Production
The first number anyone quotes when asked what generative AI costs is a per-token figure. It is a comfortable number — small, unambiguous, available…
First real shipped feature with this stack — receipts
I get asked for receipts on every cost number I publish. So here is one full run, end to end, with screenshots replaced by file paths you can read o…
OpenSCAP with SOPS: The Hidden Cost of supply chain for Production
OpenSCAP with SOPS: The Hidden Cost of Supply Chain for Production Modern production environments rely heavily on automated compliance and secrets m…
The Hidden Cost of scaling with Istio 1.20 and OpenShift: Benchmark
The Hidden Cost of Scaling with Istio 1.20 and OpenShift: Benchmark Results Service mesh adoption has accelerated as organizations shift to microser…