Evaluation metrics & frameworks for the Claude Certified Architect: Professional (CCAR-P) exam: Domain 4 (16%): objectives 4.1 & 4.2. Golden datasets, mixed methodologies, LLM-as-judge, noise floors, and a live demo running a golden dataset through a grading pipeline.
Most teams don't measure their Claude systems, they vibe. "The prompt feels better." "The rewrite worked." This episode is the antidote: how to design an evaluation framework that turns opinions into numbers, and numbers into go/no-go decisions.
You'll learn:
• The five metric families the exam tests: accuracy, latency, cost, safety, security
• Why 97% aggregate accuracy can hide 60% on invoices, and how to stratify by design
• Golden datasets: production-sampled, edge-seeded, guard-rowed, versioned, access-controlled
• Mixed methodologies: rule-based checks, model-graded evals (one Claude grading another), human review
• Designing and calibrating a model judge — rubrics, structured output, length bias
• When a difference is real: noise floors and rerunning the unchanged system
• Production case study: an eval framework for document extraction (~1,200 docs/day)
• Live demo: golden set → strict-tool-use extraction → rule grader → model judge → stratified report (60% overall vs 33% invoices)

Timestamps:
0:00 You're not testing, you're vibing
2:30 Domain 4: What we're Covering
5:06 Five Metric Families
9:42 The 97% Trap: When Good Numbers Hide Bad Problems
18:34 Stratified Sampling: Review Smarter, Not Everything
25:26 Golden Datasets: The Ground Truth
29:12 Mixed Methodologies
32:38 Model-Graded Evaluations: Design the Judge
35:56 Know your noise floor!
38:06 Exam Drill 1: The Eval Set
41:06 Exam Case Study: Eval Framework For Document Extraction
44:06 Live Demo: The Golden Set
49:52 Exam Key Takeaways & What's Next

Slides & Resources - https://github.com/aakash1999/claude-...

Full Course Playlist - Claude Certified Architect Professional: 2...

📋 Exam facts: CCAR-P — 63 questions, 120 minutes, $175 USD, 720/1000 to pass. Exam Guide v1.0 (effective July 2026). Pearson VUE proctored. 7 domains, 38 objectives. No prerequisites required.

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