Logiciel Solutions Contact Us
Success Stories Tech News Investors Contact Us

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.

93 essays
APPLIED AI What Distillationfor Cost ReductionActually Costs. What Distillation for cost reductionActually Costs shows the engineering… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights ·

What Distillation for Cost Reduction Actually Costs

What Distillation for cost reduction Actually Costs shows the engineering, control, change, and risk costs hidden beyond the headline price in production. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
APPLIED AI Function CallingReliability UnderAudit. Function calling reliability Under Audithelps AI leaders connect function… DISCOVERY DESIGN DELIVERY SCALE
Insights ·

Function Calling Reliability Under Audit

Function calling reliability Under Audit helps AI leaders connect function, input, missing-data, execution, and reliability to reliable function execution. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
APPLIED AI Multi-AgentHandoffs UnderAudit. Multi-agent handoffs Under Audit helpsAI leaders connect handoff contract… PLAN BUILD MEASURE IMPROVE MULTI
Insights ·

Multi-Agent Handoffs Under Audit

Multi-agent handoffs Under Audit helps AI leaders connect handoff contract, context, authority transfer, receipt, and handoff to traceable handoff continuity. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

16 min read↗
APPLIED AI A Buyer'S Guideto PromptVersioning. A Buyer's Guide to Prompt versioninghelps engineering leaders connect paired… ASSESS ADOPT OPTIMIZE GOVERN
Insights ·

A Buyer'S Guide to Prompt Versioning

A Buyer's Guide to Prompt versioning helps engineering leaders connect paired evaluations, rollback, environment parity, change attribution, and deployment coupling to prompts versioned with the tests that define them. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

11 min read↗
APPLIED AI A Buyer'S Guideto RerankingModels. A Buyer's Guide to Reranking modelshelps engineering leaders connect… BUYERRERANKING DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights ·

A Buyer'S Guide to Reranking Models

A Buyer's Guide to Reranking models helps engineering leaders connect upstream recall limits, candidate set size, latency cost, evaluation against the ceiling, and domain fit to reranking that cannot retrieve what retrieval missed. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

11 min read↗
APPLIED AI What AI FeatureDiscoverabilityActually Costs. What AI feature discoverability ActuallyCosts shows the engineering, control… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
Insights ·

What AI Feature Discoverability Actually Costs

What AI feature discoverability Actually Costs shows the engineering, control, change, and risk costs hidden beyond the headline price at enterprise scale. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
APPLIED AI Hybrid Search forRetrieval UnderAudit. Hybrid search for retrieval Under Audithelps AI leaders connect lexical… ASSESS ADOPT OPTIMIZE GOVERN
Insights ·

Hybrid Search for Retrieval Under Audit

Hybrid search for retrieval Under Audit helps AI leaders connect lexical, semantic, filter, fusion, and retrieval evidence to defensible retrieval coverage. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

16 min read↗
APPLIED AI What Agent-To-AgentProtocols ActuallyCosts. What Agent-to-agent protocols ActuallyCosts shows leaders the engineering… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
Insights ·

What Agent-To-Agent Protocols Actually Costs

What Agent-to-agent protocols Actually Costs shows leaders the engineering, control, change, and risk costs hidden beyond the headline price in production. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
APPLIED AI A Buyer'S Guideto ChunkingStrategy. A Buyer's Guide to Chunking strategyhelps engineering leaders connect… DESIGN SHIP OBSERVE REFINE BUYER
Insights ·

A Buyer'S Guide to Chunking Strategy

A Buyer's Guide to Chunking strategy helps engineering leaders connect severed qualifiers, answer-level evaluation, structural boundaries, overlap, and metadata to chunking measured on answers rather than retrieval scores. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

11 min read↗
APPLIED AI AI AgentOrchestrationUnder Audit. A Buyer's Guide to AI agentorchestration Under Audit helps CTO / VP… PLAN BUILD MEASURE IMPROVE AI
Insights ·

AI Agent Orchestration Under Audit

A Buyer's Guide to AI agent orchestration Under Audit helps CTO / VP Engineering evaluate agent identity, workflow state, tool calls, policy enforcement, traceability. Learn the controls, buying criteria, implementation approach, pitfalls, and production signals.

15 min read↗
APPLIED AI A Buyer'S Guide toAgent-To-AgentProtocols. A Buyer's Guide to Agent-to-agentprotocols helps engineering leaders… 01 Assess 02 Design 03 Ship 04 Operate
Insights ·

A Buyer'S Guide to Agent-To-Agent Protocols

A Buyer's Guide to Agent-to-agent protocols helps engineering leaders connect delegated authority, provenance, trust boundaries, message semantics, and accountability to interoperability that carries permission as well as content. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

11 min read↗
APPLIED AI A Buyer'S Guide toAgent PermissionScoping. A Buyer's Guide to Agent permissionscoping helps security leaders connect… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
Insights ·

A Buyer'S Guide to Agent Permission Scoping

A Buyer's Guide to Agent permission scoping helps security leaders connect per-task credentials, delegated user authority, short-lived tokens, standing access, and privilege review to permissions scoped to the job rather than the agent. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

11 min read↗
APPLIED AI What PromptVersioningActually Costs. What Prompt versioning Actually Costsshows leaders the engineering, control… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
Insights ·

What Prompt Versioning Actually Costs

What Prompt versioning Actually Costs shows leaders the engineering, control, change, and risk costs hidden beyond the headline price across production AI. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
APPLIED AI What Agent RefusalBehaviour ActuallyCosts. What Agent refusal behaviour ActuallyCosts explains the engineering, control… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
Insights ·

What Agent Refusal Behaviour Actually Costs

What Agent refusal behaviour Actually Costs explains the engineering, control, change, and risk costs behind the first implementation across production AI. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
APPLIED AI Context WindowManagement UnderAudit. Context window management Under Audithelps AI leaders connect context… ARCHITECTURE SECURITY RELIABILITY COST CONTEXTWINDOW
Insights ·

Context Window Management Under Audit

Context window management Under Audit helps AI leaders connect context, priority policy, compression, eviction, and context to traceable context selection. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
APPLIED AI A Buyer'S Guide toRetrieval-AugmentedGeneration. A Buyer's Guide to Retrieval-augmentedgeneration helps CTO leaders connect… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
Insights ·

A Buyer'S Guide to Retrieval-Augmented Generation

A Buyer's Guide to Retrieval-augmented generation helps CTO leaders connect retrieval, indexing, reranking, evaluation, and governance to answer quality. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

16 min read↗
APPLIED AI Agent MemoryDesign UnderAudit. A Buyer's Guide to Agent memory designUnder Audit helps CTO / CISO evaluate… AGENTMEMORY DO Start from metricsShip incrementallyAutomate the guardrails AVOID Big-bang rolloutsSkipping discoveryManual, ad-hoc checks
Insights ·

Agent Memory Design Under Audit

A Buyer's Guide to Agent memory design Under Audit helps CTO / CISO evaluate memory scope, provenance, retention, access control, correction workflows. Learn the controls, buying criteria, implementation approach, pitfalls, and production signals.

15 min read↗
APPLIED AI What Agent StatePersistence ActuallyCosts. What Agent state persistence ActuallyCosts explains the engineering, control… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights ·

What Agent State Persistence Actually Costs

What Agent state persistence Actually Costs explains the engineering, control, change, and risk costs behind the first implementation across production AI. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
APPLIED AI A Buyer'S Guide toAI AgentOrchestration. A Buyer's Guide to AI agentorchestration helps engineering leaders… PLAN BUILD MEASURE IMPROVE BUYER
Insights ·

A Buyer'S Guide to AI Agent Orchestration

A Buyer's Guide to AI agent orchestration helps engineering leaders connect partial failure semantics, compensation, step idempotency, observability, and retry design to orchestration that handles a step failing halfway. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

11 min read↗
APPLIED AI What Agent MemoryDesign ActuallyCosts. What Agent memory design Actually Costsshows leaders the engineering, control… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
Insights ·

What Agent Memory Design Actually Costs

What Agent memory design Actually Costs shows leaders the engineering, control, change, and risk costs hidden beyond the headline price at enterprise scale. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
APPLIED AI A Buyer'S Guide toFunction CallingReliability. A Buyer's Guide to Function callingreliability helps engineering leaders… PLAN BUILD MEASURE IMPROVE BUYER
Insights ·

A Buyer'S Guide to Function Calling Reliability

A Buyer's Guide to Function calling reliability helps engineering leaders connect schema conformance under degraded input, error feedback loops, retry budgets, argument construction, and testing to reliability measured where it breaks. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

11 min read↗
APPLIED AI What StructuredOutput EnforcementActually Costs. What Structured output enforcementActually Costs explains the engineering… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
Insights ·

What Structured Output Enforcement Actually Costs

What Structured output enforcement Actually Costs explains the engineering, control, change, and risk costs behind the first implementation in production. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
APPLIED AI A Buyer'S Guide toMultimodal DocumentProcessing. A Buyer's Guide to Multimodal documentprocessing helps engineering leaders… 01 Assess 02 Design 03 Ship 04 Operate
Insights ·

A Buyer'S Guide to Multimodal Document Processing

A Buyer's Guide to Multimodal document processing helps engineering leaders connect layout as information, table and form structure, reading order, spatial relationships, and evaluation to processing that does not linearise meaning away. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

11 min read↗
APPLIED AI A Buyer'S Guide toContext WindowManagement. A Buyer's Guide to Context windowmanagement helps engineering leaders… 01 Scope 02 Build 03 Launch 04 Iterate
Insights ·

A Buyer'S Guide to Context Window Management

A Buyer's Guide to Context window management helps engineering leaders connect exclusion decisions, position effects, cost per call, budget allocation, and truncation policy to windows where what you leave out is the design. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

11 min read↗
No essays match your search.
Newsletter

Every build teaches us something. We write it down.

One long-form essay every other Wednesday. Written by the engineers shipping production AI for our clients, not by a content team. No promotional emails. Unsubscribe in one click.

8,400+ technology leaders subscribed
Open rate: 41% (industry average is 21%)
Read by CTOs at scaling proptech, payers, healthtech
No spam. No selling your address. One-click unsubscribe.