选对工具，也算清成本。
AI Subscription vs API Costs: A Budget Checklist
Keep AI subscriptions, developer API costs and generation credits in separate budget lines. Use billing terms and accepted work to compare your real spending.
最近核验:
Three lines in the budget
Separate fixed subscriptions, metered developer usage and generation-credit purchases. Add the billing period, currency and owner to each line so a team can tell who controls the spend.
A ChatGPT subscription does not supply an OpenAI API budget. Verify the relevant official pricing page for the service you are actually using.
Count accepted work
Use a deliverable you can review: a usable draft, a tested patch or an approved image. Include retries and human review in the cost calculation.
Repeat the test when a plan, workflow or price changes. Keep the historical snapshot so you can explain why the recommendation changed.
Review before renewal
Check which subscriptions overlapped during the month. Cancel or pause unused services according to their terms and retain the tools that support repeated work.
Follow product pricing guides for the reviewed source and billing caveats. This article is an editorial budgeting guide rather than an announcement of a provider price change.