Tutorials · Chapter D (4/4) · ~10 min
Cost optimization lab
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Cut **token spend** on hot paths — batch embeddings, cache repeats, route to cheaper models when quality allows.
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Cost optimization lab
Match each workload to batching, caching, or model routing — without killing quality.
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What you just did
You matched workloads to batch API, semantic cache, or model routing.
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Levers
| Lever | When | |-------|------| | Batch embeddings | Large offline index builds | | Semantic cache | Repeated near-duplicate queries | | Model router | Draft vs final, simple vs hard |