⚡ AI Engineering
Model Right-Sizing
Choosing the cheapest model that meets the quality bar for each task. Not every API call needs Opus — most don't. A disciplined model routing strategy can cut costs 5-15x without meaningful quality loss on the tasks that matter.
2
Minutes
6
Concepts
+45
XP
1
Key Mechanics — Claude Model Tiers (2026 Pricing)
Model Input/1M Output/1M Context Best For ───────────── ────────── ──────────── ────────── ────────────────────── Haiku 4.5 $1.00 $5.00 200K Classification, extraction, routing Sonnet 4.6 $3.00 $15.00 1M Code gen, analysis, structured output Opus 4.6 $5.00 $25.00 1M Complex reasoning, planning, nuance Price ratio: 1x 3x 5x