Where the workflow shifted
OpenAI API pricing separates models, inputs, outputs, cached tokens, and capabilities, reminding AI product teams that model cost cannot stay hidden behind one monthly price.
When feature cost changes with user behavior, pricing pages and product prompts need allowances, rate limits, downgrade paths, or confirmation points.
Tool names are not outcomes
The signal matters when it changes how a team ships, reviews, or recovers work, not when it only names another tool.
Check permissions and failure
- Create margin guardrails by model, input, output, cache, tool call, and high-cost workflow
- Keep the test narrow: one low-risk task or tool entry before connecting permissions, logs, failure handling, and human takeover to production
What still needs proof
Without cost guardrails, a small number of heavy users can absorb margin and create surprise invoices. Keep the original source open so the announcement, the evidence, and this site's interpretation stay separate.