Text models
Budget calls across the GPT-5.6 variants
Compare Sol, Terra, and Luna with representative workload samples.
Find the largest cost line
Record input tokens, output tokens, and request count for each task class. Use billed usage to check which class contributes most to monthly spending.
Define when to escalate
Give every variant the same acceptance criteria. Reserve higher tiers for tasks where they reduce errors or human review enough to justify the difference.