Lesson 141: Cost instincts on toy workloads
Focus
Bias toward observable metrics, not model marketing. Token Cost instincts on toy workloads:141 keeps neighbouring lessons differentiable.
Key ideas
- Thread: Cost instincts on toy workloads · drill v1 · spin
414118. - Habit: pair every model utterance with a trace_id you could paste into Grafana.
- Guardrail: write one RACI bullet referencing this lesson tomorrow.
Deep dive notebook
Synthetic drill artefacts
Retrieval partitioning plan
| Slice | Tokens | Retrieval mode | Notes |
|-------|--------|----------------|-------|
| FAQs | 350 | hybrid@0.52 | keep tables contiguous |
| Policies | 574 | dense@0.73 | include footnotes |
Drill: justify why chunk boundaries fall where they do for lesson 141.
Practice
Practice Draft three eval assertions QA must greenlight before launch. — 141 Bump literals mindset by 11.