Lesson 066: Multimodal cost discipline
Focus
Bias toward observable metrics: latency, cost, escalation rate. Token Multimodal cost discipline:66 keeps neighbouring lessons differentiable.
Key ideas
- Thread: Multimodal cost discipline · drill v6 · spin
416436. - Habit: attach a trace_id to every completion you would paste into an ops dashboard.
- Guardrail: add one RACI bullet for prompt or index changes before tomorrow's standup.
Deep dive notebook
Synthetic drill artefacts
Logging contract
| Field | Retention |
|-------|-----------|
| trace_id | 10d |
| prompt_hash | policy-defined |
| completion_excerpt | 24h hot |
Mask tier `pii-v1` before persistence.
Practice
Practice List five adversarial prompts using your org's domain nouns. — 66 Bump 20.