fix: correct cache hit rate formula to work across all API backends#1559
Open
ZeroClover wants to merge 1 commit intoWei-Shaw:mainfrom
Open
fix: correct cache hit rate formula to work across all API backends#1559ZeroClover wants to merge 1 commit intoWei-Shaw:mainfrom
ZeroClover wants to merge 1 commit intoWei-Shaw:mainfrom
Conversation
The previous formula `cache_read / (cache_read + cache_creation)` only worked for Claude API. For OpenAI (where cache_creation is always 0), it degrades to 0% or 100%. The new formula uses `cache_read / (input + cache_creation + cache_read)` which equals total input tokens across all backends.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
1 participant
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
The previous formula
cache_read / (cache_read + cache_creation)only worked for Claude API. For OpenAI (where cache_creation is always 0), it degrades to 0% or 100%. The new formula usescache_read / (input + cache_creation + cache_read)which equals total input tokens across all backends.