ToolsThe story, in brief
Prompt Caching in the API
OpenAI just made repetitive API calls 50% cheaper. Here's why that changes economics for every AI app in production.
The KeyNews take
Why it matters
Prompt caching reduces API costs for developers running inference on repeated context, directly improving unit economics for production AI applications and lowering the barrier to scale for startups building on OpenAI's API.
The key facts
5 to knowFeature: automatic discounts on cached prompt inputs
Use case: reduces costs for applications with repeated or long context
Published: October 1, 2024
Deployment: available via OpenAI API
Business impact: improves developer economics and cost efficiency for production workloads
Go to the source
OpenAI Blogopenai.com
Publisher excerpt: Offering automatic discounts on inputs that the model has recently seen