Archive

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DeepEval

Listed inDeepEvalEvaluationon

Evaluations in pytest. Almost every built-in metric calls a judge model, which decides what belongs in a blocking gate and what does not.

Intermediate3 min
#evaluation
#ci

Tokens

Listed inTokensHow LLMs Workon

The unit models actually read and bill for, and why character counts mislead you.

Beginner5 minDraft
#fundamentals
#cost

Chunking

Listed inChunkingRAGon

Splitting documents so retrieved passages are both findable and self-contained.

Intermediate8 minDraft
#pipeline

Arize AI

Listed inArize AIObservabilityon

Tracing and evaluation in one OpenTelemetry-native tool that can run locally. The drift and embedding analysis often attributed to it does not appear in the documentation.

Intermediate3 min
#observability

Fine-tuning

Listed inFine-tuningHow LLMs Workon

The documented benefits are about behavior and format rather than knowledge. Fine-tuning shapes how a model responds; retrieval is what gives it facts it did not train on.

Advanced4 min
#llm-internals

LlamaIndex

Listed inLlamaIndexRAGon

Documents and Nodes, and a query stage that separates retrieval, postprocessing and response synthesis. Postprocessing is the step hand-written pipelines usually skip, and it is where reranking and filtering belong.

Intermediate4 min
#rag
#frameworks

Atlan

Listed inAtlanContext Engineeringon

The context an assistant needs for warehouse data is metadata, not rows. Certification is what makes it trustworthy enough to act on.

Intermediate4 min
#context-engineering
#data

Anomaly Detection

Listed inAnomaly DetectionEmbeddingson

An anomaly score is a distance read backwards. Plus the unnormalized-vector bug that makes a detector flag your longest documents.

Intermediate6 min
#use-cases

Windsurf

Listed inWindsurfDevelopment Toolson

Windsurf became Devin Desktop in June 2026 and Cascade was replaced. What the editor is now, and how it retrieves code from your repository.

Beginner6 min
#editors

Choosing the Right Model

Listed inChoosing the Right ModelModels & Providerson

Compare models on capability, latency, cost per request, context window, maximum output, and where they can run. Price per million tokens is not cost per request, and twenty saved examples from your own application settle the choice faster than a leaderboard.

Beginner7 min
#selection

Embedding Models on Hugging Face

Listed inEmbedding Models on Hugging FaceEmbeddingson

Changing embedding models means re-embedding the whole corpus, so the choice is harder to reverse than a generation model. What to check on a model card: vector dimensions, maximum sequence length, licensing, and whether the model expects a prompt prefix that fails silently when omitted.

Intermediate6 min
#ecosystem

MCP Host

Listed inMCP HostModel Context Protocolon

The six responsibilities the specification gives the host, why one client per server is the isolation boundary, and what happens when a server asks you for a completion.

Beginner6 min
#architecture