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Field notes from production AI.

Long-form essays from the engineers shipping AI inside payers, hospitals, energy operators and proptech platforms. Written for technology leaders who care more about what runs in production than what trended last week.

All essays

Field notes, sorted by recency.

44 essays
QUALITY ENGINEERING A Buyer'S Guide toCanary Releases forModel Updates. A Buyer's Guide to Canary releases formodel updates helps CTO / Head of AI… 01 Ad hoc 02 Managed 03 Defined 04 Optimized BUYER CANARY
Insights ·

A Buyer'S Guide to Canary Releases for Model Updates

A Buyer's Guide to Canary releases for model updates helps CTO / Head of AI leaders connect traffic cohort, behavioural metrics, baseline comparison, promotion policy, and rollback to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
QUALITY ENGINEERING Golden DatasetsUnder Audit. Golden datasets Under Audit helps AIleaders connect evidence, controls… PEOPLE PROCESS PLATFORM PRACTICE GOLDENDATASETS
Insights ·

Golden Datasets Under Audit

Golden datasets Under Audit helps AI leaders connect evidence, controls, ownership, failure handling, and production decisions to measurable risk. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
QUALITY ENGINEERING Load TestingAgentic SystemsUnder Audit. Load testing agentic systems Under Audithelps teams connect evidence, controls… DESIGN SHIP OBSERVE REFINE LOAD
Insights ·

Load Testing Agentic Systems Under Audit

Load testing agentic systems Under Audit helps teams connect evidence, controls, ownership, failure handling, and production decisions to measurable risk. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
QUALITY ENGINEERING Test Automation forAI-written CodeUnder Audit. Test automation for AI-written codeUnder Audit helps teams connect… ASSESS ADOPT OPTIMIZE GOVERN
Insights ·

Test Automation for AI-written Code Under Audit

Test automation for AI-written code Under Audit helps teams connect evidence, controls, ownership, failure handling, and production decisions to measurable risk. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
QUALITY ENGINEERING A Buyer'S Guide toRed-Teaming AIProducts. A Buyer's Guide to Red-teaming AIproducts helps CISO / VP Security… 01 Scope 02 Build 03 Launch 04 Iterate
Insights ·

A Buyer'S Guide to Red-Teaming AI Products

A Buyer's Guide to Red-teaming AI products helps CISO / VP Security leaders connect threat model, attack scenarios, system boundaries, control verification, and remediation and retest to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

16 min read↗
QUALITY ENGINEERING HallucinationDetection UnderAudit. Hallucination detection Under Audithelps AI leaders connect evidence… PLAN BUILD MEASURE IMPROVE HALLUCINA…
Insights ·

Hallucination Detection Under Audit

Hallucination detection Under Audit helps AI leaders connect evidence, controls, ownership, failure handling, and production decisions to measurable risk. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
QUALITY ENGINEERING A Buyer'S Guideto GroundednessScoring. A Buyer's Guide to Groundedness scoringhelps CTO / Head of AI leaders connect… 01 Assess 02 Design 03 Ship 04 Operate
Insights ·

A Buyer'S Guide to Groundedness Scoring

A Buyer's Guide to Groundedness scoring helps CTO / Head of AI leaders connect claim extraction, evidence retrieval, support judgement, aggregation policy, and threshold and review to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

16 min read↗
QUALITY ENGINEERING A Buyer'S Guide toShadow Deploymentfor Models. A Buyer's Guide to Shadow deployment formodels helps CTO / Head of AI leaders… 01 Level 1 02 Level 2 03 Level 3 04 Level 4 BUYER SHADOW
Insights ·

A Buyer'S Guide to Shadow Deployment for Models

A Buyer's Guide to Shadow deployment for models helps CTO / Head of AI leaders connect traffic mirroring, input parity, output capture, comparison metrics, and privacy and cost controls to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

16 min read↗
QUALITY ENGINEERING Synthetic Test DataGeneration UnderAudit. Synthetic test data generation UnderAudit helps teams connect evidence… 01 Pilot 02 Team 03 Org 04 Scale SYNTHETIC TEST
Insights ·

Synthetic Test Data Generation Under Audit

Synthetic test data generation Under Audit helps teams connect evidence, controls, ownership, failure handling, and production decisions to measurable risk. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
QUALITY ENGINEERING A Buyer'S Guide toAcceptance Criteria forProbabilistic Output. A Buyer's Guide to Acceptance criteriafor probabilistic output helps CTO /… 01 Assess 02 Design 03 Ship 04 Operate
Insights ·

A Buyer'S Guide to Acceptance Criteria for Probabilistic Output

A Buyer's Guide to Acceptance criteria for probabilistic output helps CTO / Head of AI leaders connect task definition, quality dimensions, tolerance bands, failure taxonomy, and escalation and release gates to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
QUALITY ENGINEERING What Test Automationfor AI-written CodeActually Costs. Test automation for AI-written code costanalysis helps AI leaders connect… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights · Oct 30, 2026

What Test Automation for AI-written Code Actually Costs

Test automation for AI-written code cost analysis helps AI leaders connect architecture, engineering effort, controls, change, and risk to total operating cost. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
QUALITY ENGINEERING What Synthetic TestData GenerationActually Costs. Synthetic test data generation costanalysis helps AI leaders connect… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
Insights · Oct 30, 2026

What Synthetic Test Data Generation Actually Costs

Synthetic test data generation cost analysis helps AI leaders connect architecture, engineering effort, controls, change, and risk to total operating cost. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
QUALITY ENGINEERING What ShadowDeployment forModels ActuallyCosts. Shadow deployment for models costanalysis helps infrastructure leaders… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights · Oct 30, 2026

What Shadow Deployment for Models Actually Costs

Shadow deployment for models cost analysis helps infrastructure leaders connect architecture, engineering, controls, change, and risk to total operating cost. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
QUALITY ENGINEERING What RegressionTesting for PromptsActually Costs. Regression testing for prompts costanalysis helps AI leaders connect… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights · Oct 30, 2026

What Regression Testing for Prompts Actually Costs

Regression testing for prompts cost analysis helps AI leaders connect architecture, engineering effort, controls, change, and risk to total operating cost. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
QUALITY ENGINEERING What Load TestingAgentic SystemsActually Costs. Load testing agentic systems costanalysis helps infrastructure leaders… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights · Oct 30, 2026

What Load Testing Agentic Systems Actually Costs

Load testing agentic systems cost analysis helps infrastructure leaders connect architecture, engineering, controls, change, and risk to total operating cost. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
QUALITY ENGINEERING What LLM-as-judgeEvaluation ActuallyCosts. LLM-as-judge evaluation cost analysishelps AI leaders connect architecture… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
Insights · Oct 30, 2026

What LLM-as-judge Evaluation Actually Costs

LLM-as-judge evaluation cost analysis helps AI leaders connect architecture, engineering effort, controls, change, and risk to total operating cost at scale. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
QUALITY ENGINEERING What HallucinationDetection ActuallyCosts. Hallucination detection cost analysishelps AI leaders connect architecture… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
Insights · Oct 30, 2026

What Hallucination Detection Actually Costs

Hallucination detection cost analysis helps AI leaders connect architecture, engineering effort, controls, change, and risk to total operating cost at scale. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
QUALITY ENGINEERING What GroundednessScoring ActuallyCosts. Groundedness scoring cost analysis helpsAI leaders connect architecture… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
Insights · Oct 30, 2026

What Groundedness Scoring Actually Costs

Groundedness scoring cost analysis helps AI leaders connect architecture, engineering effort, controls, change, and risk to total operating cost at scale. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
QUALITY ENGINEERING What GoldenDatasets ActuallyCosts. Golden datasets cost analysis helps AIand engineering leaders connect… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
Insights · Oct 30, 2026

What Golden Datasets Actually Costs

Golden datasets cost analysis helps AI and engineering leaders connect engineering work, controls, change, failure handling, and risk to total operating cost. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
QUALITY ENGINEERING What Red-Teaming AIProducts ActuallyCosts. Red-teaming AI products cost analysishelps security leaders connect… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights · Oct 29, 2026

What Red-Teaming AI Products Actually Costs

Red-teaming AI products cost analysis helps security leaders connect engineering work, controls, change, failure handling, and risk to total operating cost. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
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