OpenAIAnthropicGooglexAIPerplexity
← Back to all updatesPublished ·Anthropic• Minor
Anthropic launched cache diagnostics in public beta for Messages requests.
The read
Builders now get a cache_miss_reason showing where a prompt cache prefix diverged from the previous turn.
The frame
It sits inside Messages requests: pass diagnostics.previous_message_id and include the beta header to diagnose prompt cache misses.
Primary source
Anthropic →Keep reading
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