Module 2.3 · Topic 3
Matching Tasks to Models
Bottom Line Up Front: Route quick-turnaround to fast models, reasoning tasks to reasoning models, research to research tools. Matching improves quality and efficiency. Model choice is a deliberate task-routing decision.…
3.1 When Speed Matters More Than Depth
Route quick-turnaround tasks to fast models for immediate output and cost efficiency.
- Client Email Drafting Fast/Chat Need professional response within minutes. Fast models generate prose instantly; cost is negligible.
- Document Summarization Fast/Chat Need one-page reference summary for routine filing. Fast models produce quickly, although with less nuance or comprehensiveness.
- Brainstorming Options Fast/Chat Generate 10-15 ideas quickly, knowing most will be rejected. Fast models produce volume efficiently.
3.2 When Analytical Rigor Is Essential
Use reasoning models when your decision hinges on the answer and justification matters. Fast models more likely to produce useful-looking-but-wrong output in these cases.
- Multi-Factor Strategy Decisions: Vendor selection, market strategy, product direction. Reasoning models show deliberation and trade-off weighting you can explore and verify.
- Risk Analysis: "What are the key risks in this scenario?" Reasoning models surface blind spots; fast models miss critical categories.
- Decisions Requiring Justification: If you must explain to a client or board, you need auditable reasoning. Only reasoning models provide this.
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