Lesson 065: Multimodal cost discipline
Focus
Prefer explicit failure rehearsals over aspirational wording. Token Multimodal cost discipline:65 keeps neighbouring lessons differentiable.
Key ideas
- Thread: Multimodal cost discipline · drill v5 · spin
585096. - 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
Token CFO scratchpad
- prompt_budget: 1773
- completion_budget: 680
- cache_key: `8325`
Hypothesis: halving completions moves P95 ~3% — record actuals.
Practice
Practice Attach rollback steps if cost-per-request crosses your guardrail. — 65 Bump 33.