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Prompt Cache Break: Hit-Rate Fell 100% to 40% in 40 Lines

Alexey Spinov4d ago • 11 min read

Prompt Cache Break: Hit-Rate Fell 100% to 40% in 40 Lines

In short: a prompt cache-break is when one change atop your prompt prefix — a fresh timestamp, a...

#ai#finops#python#agents

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Your LLM Judge Costs More Than the Agent. Gate It in 40 Lines.

Alexey Spinov5d ago • 10 min read

Your LLM Judge Costs More Than the Agent. Gate It in 40 Lines.

LLM judge cost is the share of your eval bill spent grading agent output instead of producing it. To...

#ai#finops#python#agents

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Your Failed Agent Run Burns Most of Its Tokens AFTER It Fails — Measure It in 40 Lines

Alexey Spinov6d ago • 9 min read

Your Failed Agent Run Burns Most of Its Tokens AFTER It Fails — Measure It in 40 Lines

Wasted tokens after agent failure are the tail, not the failure: a 40-line offline keyless meter for...

#ai#finops#python#agents

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Agent Loop Cost: 11x Your Per-Call Quote, in 40 Lines

Alexey Spinov3d ago • 11 min read

Agent Loop Cost: 11x Your Per-Call Quote, in 40 Lines

Agent loop cost is what you pay per task, not per call — and it runs multiples higher than your...

#ai#finops#python#agents

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AWS FinOps Agent: Architecture, Mechanisms, and Production Trade-offs

Fernando Azevedo1d ago • 11 min read

AWS FinOps Agent: Architecture, Mechanisms, and Production Trade-offs

Deep technical analysis of AWS FinOps Agent in preview: how the agent works internally, its failure ...

#financialsystems#finops#awsbedrock#agenticai

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A cloud cost tagging strategy that actually works

Muskan 3d ago • 5 min read

A cloud cost tagging strategy that actually works

Why most cloud tagging strategies fail and the four-tag minimum that holds up in 2026. Enforcement a...

#aws#finops#cloud#devops

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Preço por token não é custo por tarefa: a inversão que muda a economia dos modelos de raciocínio

Emerson Delatorre4d ago • 8 min read

Preço por token não é custo por tarefa: a inversão que muda a economia dos modelos de raciocínio

Modelos aparentemente baratos podem consumir mais tokens, executar mais etapas e terminar com uma...

#finops#agents

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Karpenter consolidation: 6 settings worth tuning in 2026

Muskan 2d ago • 6 min read

Karpenter consolidation: 6 settings worth tuning in 2026

The six Karpenter consolidation settings that actually move the needle in 2026. What each one does, ...

#kubernetes#aws#devops#finops

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Spot AWS cost anomalies before they wreck your budget

Muskan 6d ago • 5 min read

Spot AWS cost anomalies before they wreck your budget

How to spot AWS cost anomalies in 2026 before they wreck the budget. The four signals to watch, the ...

#aws#finops#cloud#devops

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Tokenomics Foundation (introducción y perspectiva)

Barbara Gaspar4d ago • 2 min read

Tokenomics Foundation (introducción y perspectiva)

FinOps X 2026, terminó hace apenas una semana y concluyó con JR Storment, el Director Ejecutivo de l...

#finops#finopsfoundation#tokenomicsfoundation#techtalks

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AI Agent Cost Enforcement: What Actually Changes When You Add Hard Limits

Logan18h ago • 8 min read

AI Agent Cost Enforcement: What Actually Changes When You Add Hard Limits

By April 2026, Uber had burned through its entire annual AI coding budget. A separate company...

#ai#devops#llm#finops

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How to Optimize AWS ECS Costs Beyond Reserved Instances

Matt5d ago • 12 min read

How to Optimize AWS ECS Costs Beyond Reserved Instances

Originally published at https://fortem.dev/blog/aws-cost-optimization-ecs/

#aws#ecs#fargate#finops

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AWS Cost Anomaly Detection for ECS Teams: What It Catches, What It Misses, and How to Set It Up

Matt5d ago • 10 min read

AWS Cost Anomaly Detection for ECS Teams: What It Catches, What It Misses, and How to Set It Up

Originally published at https://fortem.dev/blog/aws-cost-anomaly-detection-ecs/

#aws#ecs#fargate#finops

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Why Do AWS Staging Environments Cost So Much?

Matt3d ago • 9 min read

Why Do AWS Staging Environments Cost So Much?

Originally published at https://fortem.dev/blog/aws-staging-environment-cost/

#aws#ecs#fargate#finops

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The IDP bill 180k year in hidden platform toil

Muskan 6d ago • 11 min read

The IDP bill 180k year in hidden platform toil

Most engineering organizations budget precisely for building an Internal Developer Platform and budg...

#kubernetes#devops#finops#platformengineering

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Reliability is a cost center 4 cloudops metrics that prove it

Muskan 6d ago • 12 min read

Reliability is a cost center 4 cloudops metrics that prove it

Reliability engineering gets defunded because it produces no visible artifact. Finance sees a team t...

#kubernetes#devops#finops#terraform

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Optimizing AWS S3 Costs via Granular Visualization

Sergey Ivanychev4d ago • 11 min read

Optimizing AWS S3 Costs via Granular Visualization

TL;DR: Expressive visualisations help to save money. For example, if you’re using S3 as your cloud.....

#aws#s3#finops#bigdata

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Why Your Reliability Breaks the night you ship a cost cut

Muskan 2d ago • 12 min read

Why Your Reliability Breaks the night you ship a cost cut

Cost-cutting deployments fail SLOs not because engineers are careless, but because infrastructure as...

#kubernetes#devops#finops#observability

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Finops savings decay, why commitments erode 18 by month four

Muskan 6d ago • 14 min read

Finops savings decay, why commitments erode 18 by month four

Commitment-based cloud savings decay by 18% within four months of purchase, and that decay is not a ...

#finops#platformengineering#aws#cloudgovernance

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The IDP tax 180k year in duplicate tooling

Muskan 1d ago • 12 min read

The IDP tax 180k year in duplicate tooling

Platform engineering teams are paying $180,000 per year in duplicate tooling costs without a line it...

#cicd#devops#finops#platformengineering

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Finops savings decay vs drift rate, which number to watch

Muskan 23h ago • 12 min read

Finops savings decay vs drift rate, which number to watch

Most FinOps teams track one number when they need two, and that gap is why savings evaporate quietly...

#kubernetes#devops#finops#aws

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Why Your IDP Adds Sprint Overhead Instead of Removing It

Muskan 1d ago • 12 min read

Why Your IDP Adds Sprint Overhead Instead of Removing It

Most IDPs ship as friction-reducers and land as a new category of sprint tax. The promise is a self-...

#kubernetes#finops#platformengineering#terraform

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Self-healing infra: The 4 signals that trigger autonomous rollback

Muskan 2h ago • 15 min read

Self-healing infra: The 4 signals that trigger autonomous rollback

Manual incident response at 2 AM is an organizational failure mode, not a staffing problem. When a b...

#kubernetes#devops#finops#terraform

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Self-healing vs. on-call closing the loop in under 90 seconds

Muskan 2h ago • 13 min read

Self-healing vs. on-call closing the loop in under 90 seconds

The on-call model fails at the architectural level, not the execution level. Paging a human, waiting...

#kubernetes#devops#finops#terraform

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Tech Articles

Prompt Cache Break: Hit-Rate Fell 100% to 40% in 40 Lines

Your LLM Judge Costs More Than the Agent. Gate It in 40 Lines.

Your Failed Agent Run Burns Most of Its Tokens AFTER It Fails — Measure It in 40 Lines

Agent Loop Cost: 11x Your Per-Call Quote, in 40 Lines

AWS FinOps Agent: Architecture, Mechanisms, and Production Trade-offs

A cloud cost tagging strategy that actually works

Preço por token não é custo por tarefa: a inversão que muda a economia dos modelos de raciocínio

Karpenter consolidation: 6 settings worth tuning in 2026

Spot AWS cost anomalies before they wreck your budget

Tokenomics Foundation (introducción y perspectiva)

AI Agent Cost Enforcement: What Actually Changes When You Add Hard Limits

How to Optimize AWS ECS Costs Beyond Reserved Instances

AWS Cost Anomaly Detection for ECS Teams: What It Catches, What It Misses, and How to Set It Up

Why Do AWS Staging Environments Cost So Much?

The IDP bill 180k year in hidden platform toil

Reliability is a cost center 4 cloudops metrics that prove it

Optimizing AWS S3 Costs via Granular Visualization

Why Your Reliability Breaks the night you ship a cost cut

Finops savings decay, why commitments erode 18 by month four

The IDP tax 180k year in duplicate tooling

Finops savings decay vs drift rate, which number to watch

Why Your IDP Adds Sprint Overhead Instead of Removing It

Self-healing infra: The 4 signals that trigger autonomous rollback

Self-healing vs. on-call closing the loop in under 90 seconds