What is model choice?
Savings levers
Model choice
Move to a newer, cheaper version of the same model, or route simpler requests to a cheaper model. A savings lever in the group “Model providers”.
The fix is a code change your team or coding agent makes.
Audon sizes it on your own cost data with one stated assumption and writes it as a potential saving. Levers that touch the same spend are sized in order, so the amounts add up.
A change you mark as done is measured from billing; an approved experiment makes it a verified saving.
Used in Agent Spend Optimization · How levers are sized
Related terms.
Service tier
Pay the fast or priority surcharge only where someone waits; run work nobody waits on at flex or batch rates.
Regional processing
Drop the regional or US-only processing surcharge where no contract requires it.
Tests and evals
Run tests, evals and CI on a cheaper model, a smaller sample or a nightly schedule.
Context size
Stop resending growing history and stay under long-context price thresholds.
Output and reasoning
Cap outputs and set reasoning effort per task, so you pay for the answer, not the padding.
Embeddings
Embed each document once (skip unchanged content) and run bulk embedding at batch rates.
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