Prompt caching #30
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Prompt caching #30
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Turns out it's too short to be cached (about 300 tokens, where the min is 1024).
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implementing prompt caching for anthropic.
Anthropic provides up to 4 cache breakpoints. I'm basically using them to mark off as much of the prompt as I can, in powers of 2.
So if the prompt is 5000 tokens, we'll put cache markers at messages at the 4096, 2048 and 1024 mark. (1024 being the minimum that anthropic can cache).
(see https://docs.anthropic.com/en/docs/build-with-claude/prompt-caching for details)
I think this is a pretty decent strategy to make sure that we're reusing as much context as we can while allowing for things to change as files update and move up in the message stream (due to the smart context placement I implemented here: #24