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Chunk Retrieval Documents by Structure First, Then Tune the Size With a Measurement Tutorials
Featured Tutorials

Chunk Retrieval Documents by Structure First, Then Tune the Size With a Measurement

Fixed 500-token windows are a fine baseline and a poor ending point. Splitting along the document's own structure and checking the result against real questions usually beats any amount of overlap tuning.

News Brief 3 min read
Schema Design for LLM Output: Field Order, Enums, and Honest Escape Values Tutorials
Tutorials

Schema Design for LLM Output: Field Order, Enums, and Honest Escape Values

Your JSON schema is part of the prompt. How you order fields, define enums, and mark optionality changes both validity and content quality.

News Brief 3 min read
Versioning Stored LLM Output: Schema Stamps, Upcasters, and Deliberate Backfills Tutorials
Tutorials

Versioning Stored LLM Output: Schema Stamps, Upcasters, and Deliberate Backfills

Generated records outlive the prompts that wrote them. Stamp versions at write time, upcast on read, and backfill only where it pays.

News Brief 2 min read
Build a Minimal Eval Harness in an Afternoon: Cases, a Runner, and Diffable Results Tutorials
Tutorials

Build a Minimal Eval Harness in an Afternoon: Cases, a Runner, and Diffable Results

A useful eval harness is three small parts: JSONL cases, a boring runner and diffable results. Built on Anthropic's principles for developing tests.

Tutorial 4 min read
Hybrid Search Beats Pure Vector Search More Often Than Vendors Admit Tutorials
Tutorials

Hybrid Search Beats Pure Vector Search More Often Than Vendors Admit

Embeddings miss exact matches by design. Here is how keyword plus vector search with rank fusion and reranking fills the gap, and how to tell if you need it.

Technology Guide 4 min read
A Practical Walkthrough: Adding Semantic Caching to an LLM Endpoint Tutorials
Tutorials

A Practical Walkthrough: Adding Semantic Caching to an LLM Endpoint

Exact-match caching barely helps LLM traffic since real users rarely repeat a query verbatim. Here is how to build a semantic cache that saves money without silently serving the wrong answer.

News Brief 3 min read
Chunk Size Isn't the Whole Story: A Practical Guide to Splitting Documents for RAG Tutorials
Tutorials

Chunk Size Isn't the Whole Story: A Practical Guide to Splitting Documents for RAG

Chunk size is the least important chunking choice. Split on structure, give each chunk its context, and test retrieval recall before tuning the knob.

Technology Guide 4 min read
Handling PDFs, Images, and Other Multimodal Inputs in an LLM Pipeline Tutorials
Tutorials

Handling PDFs, Images, and Other Multimodal Inputs in an LLM Pipeline

Piping raw files straight into a vision-capable model works in a demo and falls apart in production. Separating extraction from understanding — and caching the extraction — is what makes multimodal features debuggable.

News Brief 3 min read
Parsing Partial JSON From a Streaming LLM Response Without Guessing Tutorials
Tutorials

Parsing Partial JSON From a Streaming LLM Response Without Guessing

Streaming tokens as they arrive breaks the standard JSON parser — here's how to validate a structured response incrementally instead of waiting for the whole thing or writing a fragile regex patch.

News Brief 3 min read

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