Topic

Haystack Evaluation Pipelines

12 posts on haystack evaluation pipelines — part of framework tutorials on the n4n AI blog.

Using Claude 3.5 Sonnet as a judge in Haystack evaluation

Step-by-step tutorial for wiring Claude 3.5 Sonnet as an LLM judge in Haystack evaluation pipelines, with runnable code and expected outputs.

July 27, 20264 min read

Framework tutorialsComparison

Haystack evaluation tutorial: exact match vs semantic

Compare Haystack's exact match and semantic evaluators across capabilities, cost, latency, ergonomics, and limits — with code examples and a clear verdict for each use case.

July 27, 20266 min read

Framework tutorialsTutorial

Haystack evaluation pipeline tutorial for retrieval quality

Build a production-ready Haystack evaluation pipeline to measure retrieval quality with runnable code and expected outputs at each step.

July 27, 20262 min read

Framework tutorialsTutorial

Haystack evaluation pipeline tutorial: dataset preparation

Build a Haystack evaluation pipeline from scratch — prepare datasets, define ground truth, and validate your RAG or QA system with runnable code.

July 27, 20264 min read

Framework tutorialsTutorial

Haystack evaluation pipeline tutorial: answer correctness

Build a Haystack evaluation pipeline to measure answer correctness with runnable code, from prerequisites to CI integration.

July 27, 20263 min read

Framework tutorialsTutorial

Haystack evaluation pipeline tutorial with context relevance

Build a Haystack evaluation pipeline that measures context relevance for RAG systems, with runnable code and expected outputs at each step.

July 25, 20263 min read

Framework tutorialsTutorial

Haystack evaluation pipeline tutorial: faithfulness metrics

Build a Haystack evaluation pipeline to measure RAG faithfulness with runnable code, from dataset prep to metric interpretation.

July 25, 20263 min read

Framework tutorialsGuide

Evaluating RAG pipelines in Haystack with n4n.ai models

Step-by-step guide to evaluate RAG pipeline Haystack n4n.ai models with Haystack 2.x, covering setup, evaluation harness, and model swapping pitfalls.

July 19, 20263 min read

Framework tutorialsGuide

Continuous evaluation for Haystack pipelines in CI

A practical guide to continuous evaluation of Haystack pipelines in CI: metrics, golden datasets, wiring, thresholds, and pitfalls for LLM quality gates.

July 19, 20265 min read

Framework tutorialsComparison

Comparing models with Haystack evaluation pipelines

Practical guide to using Haystack evaluation pipelines to compare models head-to-head on cost, latency, and quality with reproducible code.

July 19, 20265 min read

Framework tutorialsHow-to

Building an LLM-as-judge evaluator in Haystack 2.0

Step-by-step guide to building an llm-as-judge evaluator haystack 2.0 pipeline for scoring RAG answers with runnable code and verification.

July 19, 20264 min read

Framework tutorialsHow-to

Building a regression test suite for Haystack pipelines

Practical steps to build a regression test suite for Haystack pipelines that catches retrieval and generation drift using pytest, snapshots, and evaluators in CI.

July 19, 20264 min read