GuideAI in production
Prompt caching: measure the cost of useful work
What prompt-cache hits save once retries and failed work are included in task cost, with a local calculator and ledger.
OpenAI API
Guides, news and explanations about AI and reliable systems.
NewsAI in production
GPT-6 Sol and Luna change the agent cost calculation
GPT-6 Sol and Luna combine lower token rates with cache-write and cache-read pricing. A repeated prompt can cost less even though its first cached write carries a premium.
GuideAI in production
Where workplace ChatGPT data goes
An approved summary task can take a new data path when a connector is added. Account controls, retention and output sharing apply at different points along that path.