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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.

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Field notes, sorted by recency.

1463 essays
TECHNOLOGY AI Audit: DetectingIssues Before VCs FindThem in Due Diligence. 75% of VC deal reviews are nowAI-informed. By the time investors find… 01 Ad hoc 02 Managed 03 Defined 04 Optimized AI AUDIT
Insights · May 19, 2026

AI Audit: Detecting Issues Before VCs Find Them in Due Diligence

75% of VC deal reviews are now AI-informed. By the time investors find your AI issues in due diligence, it's too late to fix the cap table consequences. Here's the audit you run first.

7 min read
TECHNOLOGY AI Cost per Request: AFinOps Framework forEnterprise AI. AI inference spend hit $37B in 2025, up3.2x in a year. The CFO is about to ask… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights · May 19, 2026

AI Cost per Request: A FinOps Framework for Enterprise AI

AI inference spend hit $37B in 2025, up 3.2x in a year. The CFO is about to ask why. Here's the per-request framework that produces the answer they want.

7 min read
TECHNOLOGY The VC InterviewChecklist: TechnicalQuestions to AnswerBefore the Meeting. 75% of VC deals are AI-informed. 90% ofVCs use AI tools to screen. Here are the… MODEL DEPLOY MONITOR ITERATE VC
Insights · May 19, 2026

The VC Interview Checklist: Technical Questions to Answer Before the Meeting

75% of VC deals are AI-informed. 90% of VCs use AI tools to screen. Here are the 12 technical questions you'll be asked, with the answers that close faster valuations.

7 min read
INSIGHTS The AI ReliabilityProblem: Why Your ModelWorks in the Demo andFails in Production. The gap between demo and production haspredictable causes. NIST identifies… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights · May 19, 2026

The AI Reliability Problem: Why Your Model Works in the Demo and Fails in Production

The gap between demo and production has predictable causes. NIST identifies three specific reasons demos lie. Knowing them before launch is cheaper than learning them from customer complaints.

7 min read
TECHNOLOGY Continuous Intelligenceand SoftwareReliability: The 67%Silent Failure Problem. MIT found 91% of production AI modelsdrift within a year. 67% fail silently… 4minutes CONTINUOUS INTELLIGEN… People
Insights · May 19, 2026

Continuous Intelligence and Software Reliability: The 67% Silent Failure Problem

MIT found 91% of production AI models drift within a year. 67% fail silently. AWS DevOps Agent now detects regressions in 4 minutes. Here is what reliability means when your software thinks.

7 min read
TECHNOLOGY The New SDLC: AIAgents Build Halfthe Code. GitHub research shows AI now writes 46percent of code in adopted teams. The… DESIGN SHIP OBSERVE REFINE NEW
Insights · May 19, 2026

The New SDLC: AI Agents Build Half the Code

GitHub research shows AI now writes 46 percent of code in adopted teams. The SDLC has reshaped around review, evals, and the 11-week ramp. Here is the new shape and what breaks if you ignore it.

7 min read
TECHNOLOGY AI FinOps: CloudCost Optimizationfor the InferenceEra. GenAI spend hit $37B globally in 2024and inference now dominates AI cost… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
Insights · May 19, 2026

AI FinOps: Cloud Cost Optimization for the Inference Era

GenAI spend hit $37B globally in 2024 and inference now dominates AI cost lines. Five FinOps levers that actually cut the bill: caching, tier routing, batch shifting, prompt economics, and…

7 min read
TECHNOLOGY Modern DevOps MetricsBeyond DORA: What EliteEngineering Teams Trackin 2026. DORA dropped the elite/high/medium/lowbuckets in 2025. Top teams now track… DISCOVERY DESIGN DELIVERY SCALE
Insights · May 19, 2026

Modern DevOps Metrics Beyond DORA: What Elite Engineering Teams Track in 2026

DORA dropped the elite/high/medium/low buckets in 2025. Top teams now track AI-attribution metrics, developer experience, and business outcome alignment alongside DORA. Here's the new picture.

5 min read
TECHNOLOGY Legacy System Risk inSoftware Delivery: The280,000-Hour Problem. Morgan Stanley logged 280,000 developerhours on legacy migration before AI cut… DESIGN SHIP OBSERVE REFINE LEGACY
Insights · May 19, 2026

Legacy System Risk in Software Delivery: The 280,000-Hour Problem

Morgan Stanley logged 280,000 developer hours on legacy migration before AI cut it in half. Here is what legacy risk actually costs a CTO in 2026 and how to price it.

8 min read
TECHNOLOGY SaaS TCO: Risk,Velocity, and AIEconomics. Public SaaS gross margins dropped to60-70%. 84% of companies see 6%+ margin… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
Insights · May 19, 2026

SaaS TCO: Risk, Velocity, and AI Economics

Public SaaS gross margins dropped to 60-70%. 84% of companies see 6%+ margin erosion from AI costs. Replit's gross margin went negative before recovering. Here's the new math.

5 min read
TECHNOLOGY AI DevelopmentServices: Realvs. Hype. GitHub Copilot generates 46% of code.Productivity gains take 11 weeks to… AIDEVELOPMENT/ HYPE AI Development Best fit for your caseSimpler to operateLower switching cost Hype Added complexityHeavier toolingSteeper learning curve
Insights · May 19, 2026

AI Development Services: Real vs. Hype

GitHub Copilot generates 46% of code. Productivity gains take 11 weeks to materialize. 29% of generated Python has security issues. The honest math behind the AI dev hype.

7 min read
TECHNOLOGY Human-in-the-LoopArchitectures forEnterprise Agentic AI. Most HITL deployments burn out reviewersin 90 days. The architectures that don't… MODEL DEPLOY MONITOR ITERATE HUMAN
Insights · May 18, 2026

Human-in-the-Loop Architectures for Enterprise Agentic AI

Most HITL deployments burn out reviewers in 90 days. The architectures that don't are designed around attention budgets, not engineering convenience. Here's the pattern.

9 min read
INSIGHTS AI Governance FrameworksThat Actually Work inRegulated Industries. Most published AI governance frameworksare aspirational. Regulated industries… ASSESS ADOPT OPTIMIZE GOVERN
Insights · May 18, 2026

AI Governance Frameworks That Actually Work in Regulated Industries

Most published AI governance frameworks are aspirational. Regulated industries need operational governance that maps to specific obligations. Here is the reference structure that satisfies…

7 min read
INSIGHTS Guardrails for AgenticAI: How to Ship AgentsThat Don't Go Off theRails. Agents that can take actions inherit theblast radius of those actions… 01 Discover 02 Prototype 03 Harden 04 Roll out
Insights · May 18, 2026

Guardrails for Agentic AI: How to Ship Agents That Don't Go Off the Rails

Agents that can take actions inherit the blast radius of those actions. Production agentic systems need four layers of guardrails. Here is the reference, with the failure modes each layer catches…

7 min read
INSIGHTS Developing an Agentic AISystem: A 6-PhaseDelivery Blueprint. Agentic systems fail differently thantraditional software. The delivery… STRATEGY DELIVERY GOVERNANCE SCALE DEVELOPINGAGENTIC
Insights · May 18, 2026

Developing an Agentic AI System: A 6-Phase Delivery Blueprint

Agentic systems fail differently than traditional software. The delivery blueprint that ships has six phases over 16-24 weeks. Here is the phase-by-phase reference with the deliverables that have…

7 min read
INSIGHTS Agentic AI SystemsExplained: From SingleAgent to Multi-AgentArchitectures. The agentic AI category has settled intoa recognizable ladder. Each step adds… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
Insights · May 18, 2026

Agentic AI Systems Explained: From Single Agent to Multi-Agent Architectures

The agentic AI category has settled into a recognizable ladder. Each step adds capability and cost. Most teams climb past their actual need. Here is the ladder, what each step delivers, and where…

7 min read
INSIGHTS Edge AI Implementation:Architecture Patternsfor Real-time Inference. Edge inference is no longer a researchproject. Three architectural patterns… EDGE AI DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights · May 18, 2026

Edge AI Implementation: Architecture Patterns for Real-time Inference

Edge inference is no longer a research project. Three architectural patterns now dominate production deployments. Each one fits a different latency-power-connectivity profile. Here is the…

7 min read
INSIGHTS The 7 Reasons CorporateAI Implementations Fail(and How to Avoid Them). Boston Consulting Group reports 74% ofenterprises see no value from AI… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
Insights · May 18, 2026

The 7 Reasons Corporate AI Implementations Fail (and How to Avoid Them)

Boston Consulting Group reports 74% of enterprises see no value from AI investments. The failures share seven patterns. Pattern recognition before commitment beats pattern recognition after the…

7 min read
INSIGHTS AI as a Service vsBuilding In-House: ADecision Framework forEnterprise CTOs. Most CTOs treat this as a binary choice.The framework that works in 2026 treats… AI AS /BUILDINGIN-HOUSE: AI as Best fit for your caseSimpler to operateLower switching cost Building In-House: Added complexityHeavier toolingSteeper learning curve
Insights · May 18, 2026

AI as a Service vs Building In-House: A Decision Framework for Enterprise CTOs

Most CTOs treat this as a binary choice. The framework that works in 2026 treats it as a portfolio decision across five workload categories. Here is the matrix that prevents both over-buying and…

7 min read
INSIGHTS What Production-Grade AIImplementation ActuallyLooks Like in 2026. Half of enterprise AI features that runin 2026 production were redesigned at… PRODUCTIONGRADE DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights · May 18, 2026

What Production-Grade AI Implementation Actually Looks Like in 2026

Half of enterprise AI features that run in 2026 production were redesigned at least once from their original architecture. Production-grade is a specific bar. Here is what crossing it looks like…

6 min read
INSIGHTS Cloud SecurityArchitecture: AReference for RegulatedIndustries. IBM reports the average cloud breach nowcosts $4.9M. DORA, EU AI Act, and US… 01 Discover 02 Prototype 03 Harden 04 Roll out
Insights · May 18, 2026

Cloud Security Architecture: A Reference for Regulated Industries

IBM reports the average cloud breach now costs $4.9M. DORA, EU AI Act, and US state regulations stack new requirements on cloud architecture. Here are the five controls that meet the bar in…

6 min read
INSIGHTS Hybrid CloudArchitecture: Who It'sFor and How to Get ItRight. IDC tracks hybrid cloud adoption at 56%of enterprises but most implementations… HYBRIDCLOUD DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights · May 18, 2026

Hybrid Cloud Architecture: Who It's For and How to Get It Right

IDC tracks hybrid cloud adoption at 56% of enterprises but most implementations are accidental rather than strategic. Three use cases genuinely justify hybrid. Here is the framework that decides.

6 min read
INSIGHTS Cloud Architecture forAI Workloads: PatternsThat Don't Break theBank. Andreessen Horowitz tracks AI cloudspend growing 3x faster than other… CLOUDARCHITECTURE DO Start from metricsShip incrementallyAutomate the guardrails AVOID Big-bang rolloutsSkipping discoveryManual, ad-hoc checks
Insights · May 18, 2026

Cloud Architecture for AI Workloads: Patterns That Don't Break the Bank

Andreessen Horowitz tracks AI cloud spend growing 3x faster than other categories. Four cost spikes account for most of the bill. Here are the cloud architecture patterns that keep AI economics…

6 min read
INSIGHTS Disaster RecoveryArchitectures: RPO/RTOin the Age of AIWorkloads. Uptime Institute reports 60% of largeoutages now cost more than $100K. AI… DESIGN SHIP OBSERVE REFINE DISASTER
Insights · May 18, 2026

Disaster Recovery Architectures: RPO/RTO in the Age of AI Workloads

Uptime Institute reports 60% of large outages now cost more than $100K. AI workloads complicate RPO/RTO because model state and embeddings have different recovery profiles. Here is the framework…

6 min read
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