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Practical writing on LLM application architecture, model routing, cost optimization, and operating AI systems in production.

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Idempotent LLM Requests Without Double Charges
8 min read
Idempotent LLM Requests Without Double Charges
Idempotent LLM requests help avoid double charges, duplicate responses, and unnecessary retries during timeouts, network failures, and repeated clicks.
idempotent LLM requestsdouble API charges
A/B Test Prompt or Model: How to Tell What Worked
7 min read
A/B Test Prompt or Model: How to Tell What Worked
A/B tests for a prompt or model can easily produce false conclusions if you change everything at once. Learn how to test the prompt, model, and route separately.
A/B testing a prompt or modelLLM model comparison
Answer Stability at Temperature 0: How to Measure Risk
8 min read
Answer Stability at Temperature 0: How to Measure Risk
Temperature 0 does not guarantee the same result. We break down why answers drift and how to measure the risk in your own workflows.
answer stability at temperature 0LLM determinism
Metadata in RAG: Which Filters Actually Improve Answers
8 min read
Metadata in RAG: Which Filters Actually Improve Answers
Metadata in RAG helps narrow search by date, document type, and access rights, but extra filters often hurt recall and degrade the answer.
metadata in RAGRAG filters
Unified Token Accounting Across Providers Without Disputes
8 min read
Unified Token Accounting Across Providers Without Disputes
Unified token accounting brings input, output, cache, and service fields into one data model so invoices, logs, and reports match.
unified token accountingtoken normalization
Reversible Data Pseudonymization: Where to Store the Mapping Table
8 min read
Reversible Data Pseudonymization: Where to Store the Mapping Table
Reversible data pseudonymization helps investigate incidents without broad access to PII. Learn where to store the mapping table and who should be allowed to reverse the lookup.
reversible data pseudonymizationpersonal data mapping table
Model fallbacks without extra cost: how not to pay twice
8 min read
Model fallbacks without extra cost: how not to pay twice
Model fallbacks help you survive failures, but without rules they quickly double the bill. Here we break down the chains, limits, and checks that keep costs under control.
model fallbacksbackup models
Stop Sequences in Production Without Garbage After JSON
6 min read
Stop Sequences in Production Without Garbage After JSON
Stop sequences in production help cut off model output right after JSON, emails, or quotes without extra text or broken formatting.
stop sequencesstop tokens
A Benchmark for the Kazakh Language Based on Real-World Scenarios
8 min read
A Benchmark for the Kazakh Language Based on Real-World Scenarios
A Kazakh-language benchmark should be built on real scenarios: customer requests, forms, search, and support. Let’s look at the dataset, metrics, and common mistakes.
benchmark for the Kazakh languageLLM evaluation in Kazakh
AI Feature Kill Switch: How to Stop Risk in a Minute
8 min read
AI Feature Kill Switch: How to Stop Risk in a Minute
An AI feature kill switch lets you instantly turn off chat, autocomplete, or an agent without a release. We’ll break down the setup, team roles, and fast checks.
AI feature kill switchAI emergency shutdown
Internal AI cost billing without disputes
8 min read
Internal AI cost billing without disputes
Internal billing for AI costs helps allocate expenses by product, explain the bill without talking about tokens, and reduce disputes between teams.
internal AI cost billingLLM cost accounting
Testing tool calling: what breaks beyond the happy path
8 min read
Testing tool calling: what breaks beyond the happy path
Tool calling testing is more than the happy path. This article covers empty arguments, extra fields, wrong types, timeouts, and retries.
tool calling testingtool call errors
LLM Structured Output: Why It Breaks in Production
8 min read
LLM Structured Output: Why It Breaks in Production
LLM structured output often breaks in production because of malformed JSON, schema drift, and tool-calling failures. We'll cover checks and retries.
LLM structured outputJSON errors
Manual Review Queue Without Backlog: How to Set SLA
8 min read
Manual Review Queue Without Backlog: How to Set SLA
The manual review queue should not grow on its own. We break down case priorities, SLA, escalation rules, and a reviewer-friendly interface.
manual review queuecase prioritization
Reasoning Model or Regular Model: When to Pay More
8 min read
Reasoning Model or Regular Model: When to Pay More
Reasoning model or regular model: we break down where an expensive answer pays off and where a fast answer is cheaper and more useful for production.
reasoning model or regular modelLLM cost per task
Key-Level Request Limits for Teams Without the Chaos
8 min read
Key-Level Request Limits for Teams Without the Chaos
Key-level request limits help separate load by service, environment, and role so a noisy client doesn't slow down everyone else.
key-level request limitsAPI request limiting
LLM Postmortem After an Outage: Which Fields Should You Capture
8 min read
LLM Postmortem After an Outage: Which Fields Should You Capture
A practical guide to writing an LLM postmortem after an outage: which fields to record, who fills them in, and how to turn lessons into release tasks.
LLM postmortemLLM incident review
Semantic Cache vs Exact Match: Where the Savings Are Greater
8 min read
Semantic Cache vs Exact Match: Where the Savings Are Greater
We look at when exact match saves more, and when semantic caching catches more repeats but starts returning someone else’s answers.
semantic cacheexact match
Document Chunking for RAG: How to Test It
8 min read
Document Chunking for RAG: How to Test It
Compare chunk sizes, overlap, and reranking on one question set to choose RAG document chunking based on data, not opinion.
RAG document chunkingchunk size
Choosing an LLM Provider for a Company in Kazakhstan: Questions
7 min read
Choosing an LLM Provider for a Company in Kazakhstan: Questions
Choosing an LLM provider for a company in Kazakhstan is easier when you start with a list of questions: where data is stored, what documents are available, SLA, support, and API compatibility.
choosing an LLM provider for a company in KazakhstanLLM data storage in Kazakhstan
GPU for open-weight models: VRAM, context, and KV-cache
8 min read
GPU for open-weight models: VRAM, context, and KV-cache
GPU for open-weight models are not chosen by VRAM alone. We explain how context length, KV-cache, and parallelism change the GPU sizing calculation.
GPU for open-weight modelsKV-cache size
KV-cache Reuse in Long Conversations
8 min read
KV-cache Reuse in Long Conversations
KV-cache reuse speeds up long conversations when requests share the same opening history. We’ll cover the setup, risks, metrics, and checks.
KV-cache reusespeeding up long LLM conversations
User Feedback for Eval: How Not to End Up with a Folder of Screenshots
8 min read
User Feedback for Eval: How Not to End Up with a Folder of Screenshots
User feedback for eval turns “helpful” and “error” buttons into a task queue: what to collect, how to label it, and what to check.
user feedback for evalhelpful and error buttons
Migrating to a New Embedding Model: What to Check
8 min read
Migrating to a New Embedding Model: What to Check
Migrating to a new embedding model requires checking dimensionality, search quality, speed, memory, and compatibility with old vectors.
migration to a new embedding modelembedding dimensionality
ACL in RAG: How to Lock Down Access at the Document Level
8 min read
ACL in RAG: How to Lock Down Access at the Document Level
ACL in RAG must be applied before search, during ranking, and while assembling context. We show the setup, common mistakes, and a short checklist.
ACL in RAGaccess rights in search
Canary model release: traffic, stop metrics, rollback
8 min read
Canary model release: traffic, stop metrics, rollback
A canary model release helps you test a new version on 1-50% of traffic, define stop metrics, and keep a report so you can roll back the decision in minutes.
canary model releaseLLM traffic percentages
Separating Access Rights for an AI Assistant Without Leaks
8 min read
Separating Access Rights for an AI Assistant Without Leaks
Separating permissions for an AI assistant helps keep knowledge search separate from answer generation. We’ll cover the architecture, common mistakes, and checks before launch.
access rights separation for AI assistantknowledge base access control
End-to-End trace_id for LLM Requests Without Blind Spots
8 min read
End-to-End trace_id for LLM Requests Without Blind Spots
End-to-end trace_id for LLM requests helps tie the model response, search, tool calls, and application logs into one incident review.
end-to-end trace_id for LLM requestsLLM incident debugging
Local Model Hosting: What to Keep in the Country and What Not To
8 min read
Local Model Hosting: What to Keep in the Country and What Not To
Local model hosting helps separate risky scenarios from everyday ones. Here is what to keep in Kazakhstan and what to leave on an external API.
local model hostingopen-weight models
Support ticket benchmark: how to build a live set
8 min read
Support ticket benchmark: how to build a live set
A support ticket benchmark helps test a model on real cases. We cover anonymization, labeling, and how to launch the first set quickly.
support ticket benchmarksupport conversation anonymization
Speculative Decoding: Where It Speeds Things Up and Where It Doesn’t
8 min read
Speculative Decoding: Where It Speeds Things Up and Where It Doesn’t
Speculative decoding doesn’t always speed up LLMs. We’ll show where a draft model really cuts latency—and where it eats the gain instead.
speculative decodingdraft model
Multi-provider LLM access without rewriting the SDK
8 min read
Multi-provider LLM access without rewriting the SDK
Multi-provider LLM access: how to build a single endpoint, shared authentication, and fallback without changing SDKs or adding extra logic to your code.
multi-provider LLM accesssingle LLM endpoint
SDK Compatibility After Changing base_url: Where It Breaks
8 min read
SDK Compatibility After Changing base_url: Where It Breaks
SDK compatibility after changing base_url often breaks not at authentication, but in streaming, tool calls, and JSON schemas. Here are the common failures.
SDK compatibility after changing base_urlLLM response streaming
Retiring a Model Without Breaking the Product
8 min read
Retiring a Model Without Breaking the Product
Model retirement needs a plan: notify teams, check dependencies, keep a dual-support window, and move traffic in stages.
decommissioning a modeldual-support window
Task-based routing: a model matrix without unnecessary costs
8 min read
Task-based routing: a model matrix without unnecessary costs
Task-based routing helps you choose models for summarization, extraction, chat, and code in a way that lowers costs without sacrificing quality.
task-based routingmodel selection matrix
LLM Latency Budget: Where Time Goes in a Request
8 min read
LLM Latency Budget: Where Time Goes in a Request
Learn how to break down an LLM latency budget across network, routing, model, and post-processing so you can find bottlenecks from data, not guesswork.
LLM latency budgetLLM API latency
Open-Weight Model or Closed One: Where Each Works Best
8 min read
Open-Weight Model or Closed One: Where Each Works Best
An open-weight model often wins where local data storage, low latency, and fine-tuning for your own processes matter most.
open-weight modeldata storage in the country
OCR Errors in RAG: 5 Signs of Dirty Text Before Indexing
8 min read
OCR Errors in RAG: 5 Signs of Dirty Text Before Indexing
OCR mistakes in RAG break search, citations, and answers. We look at 5 signs of dirty text, quick checks, and the cleanup order before indexing.
OCR errors in RAGdirty OCR text
Where to Store LLM API Keys and How to Rotate Them
8 min read
Where to Store LLM API Keys and How to Rotate Them
Where to store LLM API keys on servers, in CI, and locally: a simple setup with no secrets in code, images, chats, or logs.
where to store LLM API keysAPI key rotation
Small Models for PII Masking and Classification
8 min read
Small Models for PII Masking and Classification
Small models for PII masking and classification can cut costs on streaming workloads. Here’s how to compare price, recall, and errors.
small models for PII masking and classificationPII masking
Rerunning Old Answers After a Model Switch Without Wasting Budget
8 min read
Rerunning Old Answers After a Model Switch Without Wasting Budget
Rerunning old answers after a model switch: how to choose dialogs and documents for another pass, build a queue, and avoid burning through the budget.
reevaluating old answersLLM model switch
Self-hosted GPU infrastructure: when it’s more cost-effective than an external API
8 min read
Self-hosted GPU infrastructure: when it’s more cost-effective than an external API
Self-hosted GPU infrastructure is not always the answer. This guide breaks down traffic, latency, data, and cost thresholds to show when an API no longer makes sense.
self-hosted GPU infrastructureLLM traffic threshold
Hybrid Document Search: BM25 and Embeddings
8 min read
Hybrid Document Search: BM25 and Embeddings
Hybrid document search helps you find orders, contracts, and tickets more accurately. Learn how to combine BM25 and embeddings, tune the setup, and avoid common mistakes.
hybrid document searchBM25 and embeddings
Controlled Failures in LLM Infrastructure Before Peak
8 min read
Controlled Failures in LLM Infrastructure Before Peak
Controlled failures in LLM infrastructure help uncover weak spots before peak demand. We’ll walk through gateway, provider, queue, and retriever checks.
controlled failures in LLM infrastructureLLM gateway testing
Cache Storm from Identical Prompts: How to Smooth API Spikes
8 min read
Cache Storm from Identical Prompts: How to Smooth API Spikes
Identical prompt bursts hit limits and budgets hard. Learn request collapsing, TTLs, locks, and quick checks that keep API spikes under control.
cache storm from identical promptsrequest collapsing
Extracting Attributes from Price Lists Without Manual Cleanup
8 min read
Extracting Attributes from Price Lists Without Manual Cleanup
Attribute extraction from price lists helps bring units, brands, and pack sizes into one format, even when suppliers send Excel, PDF, and CSV files in different shapes.
price list attribute extractionunit normalization
Tool Call Cost: What Makes Up the Price
8 min read
Tool Call Cost: What Makes Up the Price
Tool call cost depends on more than tokens: let’s break down model choice, schema errors, retries, latency, and the cost of process downtime.
tool call costchoosing a model for function calling
Streaming Responses or a Full Response: What to Choose for LLMs
8 min read
Streaming Responses or a Full Response: What to Choose for LLMs
Streaming responses or a full response: a comparison for chat, search, and agent scenarios based on UX, cost, latency, and integration complexity.
streaming responses vs full responseLLM streaming output
Sampling Production Cases for Eval Without Bias
8 min read
Sampling Production Cases for Eval Without Bias
We’ll show how to sample production cases for eval by intent, length, and risk so your metrics reflect real load, not a convenient slice.
production case sampling for evalintent stratification
Inference Autoscaling: Signals from Queue and Latency
8 min read
Inference Autoscaling: Signals from Queue and Latency
Inference autoscaling should be based on queue length, wait time, and p95 latency so you can keep SLA during the day and avoid wasting extra GPUs at night.
inference autoscalingqueue depth
Transliteration in Search: How to Account for Three Versions of a Term
8 min read
Transliteration in Search: How to Account for Three Versions of a Term
Transliteration in search helps people find articles even when they type a term in Russian, Latin script, or with a typo. Here we break down the dictionary, the index, and the checks.
transliteration in searchknowledge base search
Search in Russian and Kazakh: Embeddings and Normalization
8 min read
Search in Russian and Kazakh: Embeddings and Normalization
Search in Russian and Kazakh requires careful choices of embeddings and normalization rules so that mixed-language queries return the right answers.
search in Russian and Kazakhembeddings for mixed-language queries
Second-Model Answer Verification: Where It’s Really Needed
8 min read
Second-Model Answer Verification: Where It’s Really Needed
Second-model verification helps where mistakes are expensive: in payouts, contracts, and medical text. Here’s when it is worth the added latency.
second-model answer verificationchecking model
How to Use Audit Logs to Investigate Incidents in 5 Minutes
8 min read
How to Use Audit Logs to Investigate Incidents in 5 Minutes
How to use audit logs for incident review: we explain which questions the log must answer within five minutes after a user complaint.
how to use audit logs for incident investigationLLM audit logs
Budget Limits for LLM Features Without Manual Oversight
8 min read
Budget Limits for LLM Features Without Manual Oversight
Budget limits for LLM features help keep spend under control: set thresholds per user, session, and feature so the bill never surprises you.
LLM feature budget limitsLLM cost control
Annotator disagreement: how to align labeling guidelines and arbitration
8 min read
Annotator disagreement: how to align labeling guidelines and arbitration
Annotator disagreement slows model training and pollutes the dataset. Learn how to write clear labeling guidelines, run arbitration, and update evaluation rules on time.
annotator disagreementlabeling guidelines
LLM Limits Between Teams: A Quota Scheme Without Downtime
8 min read
LLM Limits Between Teams: A Quota Scheme Without Downtime
LLM limits between teams: how to split quotas by product, environment, and time of day so production never stalls and tests and batches don’t eat the shared pool.
LLM limits between teamsproduct quotas
AI Content Labels in a Product: Where to Place Them and What to Store
8 min read
AI Content Labels in a Product: Where to Place Them and What to Store
AI content labels in a product help show the source of text honestly, keep generation traces, and avoid cluttering the screen with unnecessary details.
AI content labels in productsAI content labeling
Updating RAG knowledge without full reindexing
8 min read
Updating RAG knowledge without full reindexing
Updating RAG knowledge without full reindexing: how to find changed documents, recalculate only the necessary chunks, and remove stale answers from results.
RAG knowledge updateincremental reindexing
AI Feature Quality Criteria: the Product and ML agreement
8 min read
AI Feature Quality Criteria: the Product and ML agreement
AI feature quality criteria help teams agree on the usefulness threshold, stop scenarios, and rollback plan in advance so they do not argue about results after release.
AI feature quality criteriaAI usefulness threshold
Warm model pool: how to calculate reserve for peak hours
8 min read
Warm model pool: how to calculate reserve for peak hours
A warm model pool helps you get through peak hours without unnecessary cost. We show how to estimate GPU reserve, watch the queue, and avoid paying for idle capacity.
warm model poolLLM peak load
Extracting Tables from PDFs: How to Build Clean Data
8 min read
Extracting Tables from PDFs: How to Build Clean Data
Extracting tables from PDFs takes more than parsing: you also need line normalization, total checks, and manual review of ambiguous cases.
PDF table extractionPDF table parsing
When a Small Model Is Better Than a Large One for Work Tasks
8 min read
When a Small Model Is Better Than a Large One for Work Tasks
We look at when a small model is better than a large one: classification, field extraction, cost, latency, errors, and a simple way to choose.
when a small model is better than a large oneLLM text classification
Criteria for Evaluating a Support Assistant in Manual Review
8 min read
Criteria for Evaluating a Support Assistant in Manual Review
Learn how to set criteria for manually reviewing a support assistant: accuracy, tone, usefulness, and safety without unnecessary complexity.
support assistant evaluation criteriamanual review of AI answers
Migration to Multiple AI Providers Without Service Downtime
8 min read
Migration to Multiple AI Providers Without Service Downtime
Migrating to multiple AI providers without downtime: stages, SDK compatibility checks, shadow launch, and response comparison before switching.
migration to multiple AI providersOpenAI SDK compatibility
Planning-Based Agent or Scenario-Based Agent: How to Choose
8 min read
Planning-Based Agent or Scenario-Based Agent: How to Choose
We break down when a planning-based agent or a scenario-based one is the better fit for support, search, and internal automation, without unnecessary theory.
scenario-based agent or planning-based agentLLM agent for support
Source citations in assistant answers: how to build them
8 min read
Source citations in assistant answers: how to build them
Source citations in assistant answers help verify conclusions. Here we explain how to gather quotes by document, not by random text snippets.
source citations in assistant answersdocument-based citations
LLM Stream Cancellation: How to Stop Paying for Extra Tokens
8 min read
LLM Stream Cancellation: How to Stop Paying for Extra Tokens
LLM stream cancellation helps stop extra tokens when a user leaves the page. We look at signals, timeouts, logs, and checks.
LLM stream cancellationextra tokens
A Single API for LLMs: When It Is Better Than Separate Integrations
8 min read
A Single API for LLMs: When It Is Better Than Separate Integrations
A single API for LLMs helps compare a shared gateway with separate integrations in terms of cost, launch speed, access control, and team growth.
single API for LLMscentralized AI platform
LLM Gateway Metrics in Production: A Short Daily Set
8 min read
LLM Gateway Metrics in Production: A Short Daily Set
LLM gateway metrics help you see quality, latency, errors, and costs every day. Here is a short set of numbers for making production decisions.
LLM gateway metricsproduction LLM monitoring
Runbook for the On-Call Engineer on an LLM Service: First 15 Minutes
8 min read
Runbook for the On-Call Engineer on an LLM Service: First 15 Minutes
A short runbook for the on-call engineer on an LLM service: how to check error spikes, cost, and latency in 15 minutes, prioritize the right issues, and avoid service disruption.
LLM service on-call runbookLLM incident checklist
When You Don’t Need Fine-Tuning: Data, Prompt, or Routing
8 min read
When You Don’t Need Fine-Tuning: Data, Prompt, or Routing
When you don’t need fine-tuning: a practical guide to signs that clean data, a strong prompt, eval, and model routing will solve the task better.
when you don't need fine-tuningprompt instead of fine-tuning
The Evolution of an Extracted Data Schema Without Analytics Chaos
8 min read
The Evolution of an Extracted Data Schema Without Analytics Chaos
How to change fields, dictionaries, and versions without breaking old reports or making the numbers diverge.
evolution of extracted data schemaschema versioning
Human in the Loop: Confidence Thresholds Without Manual Hell
8 min read
Human in the Loop: Confidence Thresholds Without Manual Hell
Human-in-the-loop is not needed for every check: learn confidence thresholds, request types, and a simple escalation path to an operator.
human-in-the-loopLLM confidence thresholds
AI Tasks Through a Queue: When to Move to an Async Pipeline
8 min read
AI Tasks Through a Queue: When to Move to an Async Pipeline
We’ll look at when AI tasks through a queue work better than a web request, how to build an async pipeline, and where it lowers timeouts, cost, and failure risk.
AI tasks via queueasync pipeline for LLMs
Admission control for long prompts in an LLM service
8 min read
Admission control for long prompts in an LLM service
Admission control for long prompts helps keep an LLM service available under load. We will cover priorities, truncation, rejections, and quick checks.
admission control for long promptsLLM request queues
Prompt Caching: When It Actually Lowers Your LLM Bill
8 min read
Prompt Caching: When It Actually Lowers Your LLM Bill
Prompt caching does not help in every case. We break down repeat-request thresholds, a savings formula, quality risks, and a quick way to check.
prompt cachingLLM request repetition
Peak load on LLM functions: how not to bring your product down
8 min read
Peak load on LLM functions: how not to bring your product down
Peak load on LLM functions should not take your product down. Learn when to use queues, simplify responses, and route traffic to lighter models.
peak load on LLM functionsLLM request queues
LLM Log Retention Periods: How to Separate Records by Class
8 min read
LLM Log Retention Periods: How to Separate Records by Class
Let's break down LLM log retention periods: how to separate operational, debug, and audit records so you do not accumulate unnecessary data.
LLM log retention periodsLLM log audit
Enterprise LLM Pilot: Where to Start and How Not to Drag It Out
8 min read
Enterprise LLM Pilot: Where to Start and How Not to Drag It Out
An enterprise LLM pilot is easier to start with one business pain point, a short four-week plan, basic data checks, and clear success metrics.
enterprise LLM pilotlaunching LLM in a company
System Prompt or Short Rules: How to Reduce Drift
8 min read
System Prompt or Short Rules: How to Reduce Drift
System prompt or short rules: when to choose one long block and when to use a modular set to reduce drift and make review easier.
system prompt or short rulesinstruction drift
When a Bot Should Hand the Conversation Over to an Operator Without Arguing
8 min read
When a Bot Should Hand the Conversation Over to an Operator Without Arguing
We explain when a bot should hand a conversation over to an operator: risk signals, customer emotions, uncertainty in the answer, setup mistakes, and a quick check.
hand off a conversation to an operatorchatbot escalation
LLM API Retries: How Not to Double Your Bill When Failures Happen
8 min read
LLM API Retries: How Not to Double Your Bill When Failures Happen
Retries for LLM APIs help you survive failures, but without limits and idempotency they can quickly drive costs up. We break down timeouts, delays, and checks.
LLM API retriesrequest idempotency
Prompt mistakes: 5 reasons your LLM bill is bloated
8 min read
Prompt mistakes: 5 reasons your LLM bill is bloated
Learn how extra instructions, repetitions, and long context increase token usage, and how to remove prompt mistakes without losing quality.
prompt mistakesLLM request cost
SQL Agent Without Risk to the Production Database: Read-Only and Limits
8 min read
SQL Agent Without Risk to the Production Database: Read-Only and Limits
SQL agent without risk to the production database: how to set up read-only access, a SQL query allowlist, timeouts, and quick checks before launch.
safe SQL agent for production databaseread-only database access
Model Quantization: Checks Before Moving to 8-bit and 4-bit
8 min read
Model Quantization: Checks Before Moving to 8-bit and 4-bit
Model quantization requires quality checks on your own dataset: choose the right metrics, find failures, and compare FP16, 8-bit, and 4-bit before release.
model quantizationFP16 vs 8-bit
Batch Inference or Online Calls for Nighttime Tasks
8 min read
Batch Inference or Online Calls for Nighttime Tasks
Batch inference suits overnight processing, but it does not always beat online LLM calls. Let’s break down extraction, categorization, and draft generation.
batch inferenceonline LLM calls
Response validation before writing to CRM and ERP without failures
8 min read
Response validation before writing to CRM and ERP without failures
Response validation helps catch a broken schema, wrong numbers, and bad links before writing to CRM or ERP and reduces manual corrections.
response validationschema validation
RAG or Long Context: How to Choose a Search Setup
8 min read
RAG or Long Context: How to Choose a Search Setup
RAG or long context: see how these approaches affect document search, cost, and latency so you can choose the right setup for your product.
RAG or long contextdocument search
LLM expense report for accounting and the CTO without manual reconciliations
8 min read
LLM expense report for accounting and the CTO without manual reconciliations
An LLM expense report brings tokens, models, and teams into one format so accounting and the CTO can reconcile the numbers without manual work.
LLM expense reportLLM token tracking
Migrating to an OpenAI-Compatible Endpoint Without Surprises
8 min read
Migrating to an OpenAI-Compatible Endpoint Without Surprises
Migrating to an OpenAI-compatible endpoint looks like a simple base_url swap, but it often breaks on SDKs, timeouts, streaming, and JSON responses.
migrating to an OpenAI-compatible endpointreplacing OpenAI base_url
PDF Review by Page or Whole: What to Choose
8 min read
PDF Review by Page or Whole: What to Choose
Page-by-page PDF checking works well for long files with mixed templates, while full parsing is better for stable documents and summary fields.
page-by-page PDF parsingextracting requisites from PDF
Prompt Versioning for Releases Without Surprises
8 min read
Prompt Versioning for Releases Without Surprises
Prompt versioning helps ship changes without breakage: we’ll cover repo structure, testing, rollback, and a team workflow.
prompt versioningprompt repository
Shadow Traffic for a Model Migration Without Breaks or Surprises
8 min read
Shadow Traffic for a Model Migration Without Breaks or Surprises
Shadow traffic for model migration helps compare answers, latency, and cost before launch. Learn how to measure differences and switch calmly.
shadow traffic for model migrationparallel LLM requests
Golden Set for LLMs: How to Keep It Without the Clutter
8 min read
Golden Set for LLMs: How to Keep It Without the Clutter
A golden set for LLMs helps you check quality without chaos: how to choose cases, archive old examples, and keep rare complex requests.
golden set for LLMsLLM quality evaluation
Model Routing: Why the First Setup Doesn’t Pay Off
8 min read
Model Routing: Why the First Setup Doesn’t Pay Off
Model routing often does not pay off on the first try: teams introduce complex rules too early. Here is how to start with a small set of signals.
model routingLLM request routing
Checking Links and Details After Email Generation
8 min read
Checking Links and Details After Email Generation
Checking links and details after email generation helps catch broken URLs, IIN mistakes, and old contract numbers before the client sees them.
checking links and details after email generationbroken URLs in emails
JSON Schema Fallback: How to Switch Models Without Breaking Tool Mode
8 min read
JSON Schema Fallback: How to Switch Models Without Breaking Tool Mode
JSON schema fallback matters when a backup model changes fields, types, or response format. We break down how to choose backup models, validators, and checks.
JSON schema fallbackbackup LLM models
Synthetic Examples for Testing LLMs Before Production
8 min read
Synthetic Examples for Testing LLMs Before Production
Synthetic examples help test LLMs when real data is scarce. Learn how to build test cases, write expected results, and catch failures before launch.
synthetic examples for LLM testingLLM test cases
Online and Offline Quality Evaluation: When to Trust Which
8 min read
Online and Offline Quality Evaluation: When to Trust Which
Online and offline quality evaluation answer different questions: clicks and conversions catch the effect in production, while labels and expert review surface mistakes earlier.
online and offline quality evaluationclicks and conversions
Anonymizing Contracts and Medical Records for LLMs Without Losing Meaning
8 min read
Anonymizing Contracts and Medical Records for LLMs Without Losing Meaning
Anonymizing contracts and medical records before sending them to an LLM requires precise rules: which fields to hide, what to keep, and how to avoid distorting legal or clinical meaning.
anonymizing contracts and medical recordssensitive fields in documents
LLM Routing for Production: How to Choose a Strategy
8 min read
LLM Routing for Production: How to Choose a Strategy
For production LLM routing, choose based on one task set and on cost, latency, and quality metrics, not on broad benchmarks.
LLM routing for productionmodel routing